From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 11 15:15:10 1999
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From: Rik van Riel <riel@nl.linux.org>
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Subject: my fault
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Hi folks,

John may be your list owner, but that doesn't mean that
I don't have any way to foul up things...

And so I did. I made a typo when creating the list,
adding a wrong address as list owner and approval
address.  Ooops!

I hope I haven't impeded your effort in taking Linux
to new heights (I understood your list was about
something like that...).

cheers,

Rik -- Open Source: you deserve to be in control over your own data.
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 11 22:42:26 1999
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From: Rik van Riel <riel@nl.linux.org>
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Subject: new heights
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Hi,

being root on the machine that's hosting this list, I
have gathered statistics and found that this list already
contains 31 members.

I'd say it's time to kick off the discussion and take
Linux to new heights. The sky's the limit...

success,

Rik -- Open Source: you deserve to be in control over your own data.
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 11 23:16:31 1999
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Date: Thu, 11 Mar 1999 22:15:19 +0000
From: Bob Deep <bobd@cssgroup.com>
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Hi,

I was wondering if anybody had the chart data found on sectionals?

I know the federal goverment releases this data electronicly, but if I
remember right, it was a bit expensive and at the time I looked, only
came on a 9 track tape...

Anybody know where I might find some sample data?

-= bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 11 23:54:58 1999
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Bob Deep writes:
> I was wondering if anybody had the chart data found on sectionals?
> 
> I know the federal goverment releases this data electronicly, but if I
> remember right, it was a bit expensive and at the time I looked, only
> came on a 9 track tape...
> 
> Anybody know where I might find some sample data?

Bob,

Exactly what sort of data are you interested in?  Airport/runway
dimensions, location, and lighting info???  Navaid location and
frequency?  That sort of stuff?

If so, have a look at:

    ftp://ftp.x-plane.com/pub/nav_apt_fix/NewFormat.zip

This contains a bunch of this sort of info.  It's pretty complete for
the USA.  The guy who is maintianing this data base (Robin Peel) is
also working on filling in data for other countries as well.

What I'm still trying to find is a data base of aerial obstacles like
radio towers, smoke stacks, skyscrapers, etc.

Curt.
-- 
Curtis Olson                        University of MN, ME Dept.
curt@me.umn.edu                     
http://www.menet.umn.edu/~curt      Try Linux!
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 12 00:05:12 1999
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To: linux-aviation@nl.linux.org
Subject: Re: new heights
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Rik van Riel writes:
> being root on the machine that's hosting this list, I
> have gathered statistics and found that this list already
> contains 31 members.
> 
> I'd say it's time to kick off the discussion and take
> Linux to new heights. The sky's the limit...

I'll jump in here and introduce myself.

My name is Curt Olson.  I work at the University of Minnesota in the
mechanical engineering department as a Unix sys admin.  In my spare
time I am heavily involved in the Flight Gear project:

    www.flightgear.org

We are trying to build a modern, open source, general aviation flight
simulator that runs on Linux and other platforms.

I noticed that several of the people subscribed to this list are also
subscribed to the flight gear mailing lists (hi guys).

The charter for this list mentions (among others):

  o Digital Charts and Cartography

    I've been hard at work revamping the flight gear scenery system.
    I'm working on incorporating 2d gis data (lakes, rivers, urban
    areas, etc.) with 3d elevation data (DEM).  It's been slow going
    and there are a lot of issues to deal with, but I'm hoping to have
    something worth seeing in a month or two.

  o GPS Interface Software

    Flight Gear can pretend to be a GPS and send telemetry data (NMEA
    and Garman format) out the serial port.  This way you can hook up
    to some moving map software and keep track of your flights.

  o Flight Control Systems

    I've done a real basic hack job on the flight gear autopilot.
    Jeff Goeke-Smith did the heading hold last year, and I have since
    added altitude hold, terrain following, and auto throttle.

  o Flight Simulators

    Well that's one of my big interests ... :-)

You are all welcome to check out the flight gear project.  I'm always
happy to answer questions.

Looking forward to some interesting discussions here.

Best Regards,

Curt.
-- 
Curtis Olson                        University of MN, ME Dept.
curt@me.umn.edu                     
http://www.menet.umn.edu/~curt      Try Linux!
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 12 00:13:17 1999
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"Curtis L. Olson" wrote:
> Bob,
> 
> Exactly what sort of data are you interested in?  Airport/runway
> dimensions, location, and lighting info???  Navaid location and
> frequency?  That sort of stuff?

I found this data for a lot of airports online... 

I was loking for the data the NOAA Uses to generate their Sectional maps
which would include navaids, landmarks, radio frequencies and such...

The purpose was to generate sectionals on the fly from this data to
achive a moving map display with various bells and wistles... (Like
being able to hook up a GPS and plot flight path and planned course
information... Hit a button and get local radio frequencies, closest
airport etc...)

-= bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 12 02:37:52 1999
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Bob Deep writes:
> I found this data for a lot of airports online... 
> 
> I was loking for the data the NOAA Uses to generate their Sectional maps
> which would include navaids, landmarks, radio frequencies and
> such...

The url I listed earlier includes vor and ndb type navaids.  That
should help get you part of the way.  If you find data for landmarks,
radio towers, building, and that sort of stuff let me know.  I'd like
to be able to incorporate these things into the flight gear simulator.

> The purpose was to generate sectionals on the fly from this data to
> achive a moving map display with various bells and wistles... (Like
> being able to hook up a GPS and plot flight path and planned course
> information... Hit a button and get local radio frequencies, closest
> airport etc...)

That sounds like a handy tool.  Flight Gear can already output the GPS
data via a serial port.  This might be useful in the code development
/ debugging phase so you don't have to haul your computer and
development environment around. :-)

Curt.
-- 
Curtis Olson                        University of MN, ME Dept.
curt@me.umn.edu                     
http://www.menet.umn.edu/~curt      Try Linux!
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 12 02:59:56 1999
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Date: 11 Mar 99 18:27:03 -0500
From: ashw@lr.net (Ash R. J. Wyllie)
Subject: Re: new heights
To: "Rik van Riel" <linux-aviation@nl.linux.org>
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Excerpted from the mind of Rik van Riel;


>Hi,

>being root on the machine that's hosting this list, I
>have gathered statistics and found that this list already
>contains 31 members.

>I'd say it's time to kick off the discussion and take
>Linux to new heights. The sky's the limit...

Right now I don't have a Linux machine. I might get one in the near future
though.

So I'm more interested in lurking and seeing what might be produced for Linux.


                         -ash
                         (Paging Peter LaNague)

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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 12 07:47:43 1999
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Ash R. J. Wyllie writes:
>
>Excerpted from the mind of Rik van Riel;
>
>
>>Hi,
>
>>being root on the machine that's hosting this list, I
>>have gathered statistics and found that this list already
>>contains 31 members.
>
>>I'd say it's time to kick off the discussion and take
>>Linux to new heights. The sky's the limit...
>
>Right now I don't have a Linux machine. I might get one in the near future
>though.
>
>So I'm more interested in lurking and seeing what might be produced for Linux.
                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

   There are already a number of existing aviation related applications
that were designed specifically for, or run under Linux. You can get a
description of them in the "info" file for this mailing list. Send a
message with "info linux-aviation" in the body of a mail message to

			Majordomo@mail.nl.linux.org

Of course, I don't want to discourage those who think further improvements
are needed.

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | How many times would you like to
  -(*)-   | mailto:jaypee@netcom.com | reboot Microsoft Windows today?
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info
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Subject: Re: Chart Data
To: linux-aviation@nl.linux.org
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Bob Deep writes:
>
>"Curtis L. Olson" wrote:
>> Bob,
>> 
>> Exactly what sort of data are you interested in?  Airport/runway
>> dimensions, location, and lighting info???  Navaid location and
>> frequency?  That sort of stuff?
>
>I found this data for a lot of airports online... 
>
>I was loking for the data the NOAA Uses to generate their Sectional maps
>which would include navaids, landmarks, radio frequencies and such...
>
>The purpose was to generate sectionals on the fly from this data to
>achive a moving map display with various bells and wistles... (Like
>being able to hook up a GPS and plot flight path and planned course
>information... Hit a button and get local radio frequencies, closest
>airport etc...)
>

Bob,

   I've been wondering the same thing myself. The NOAA Office of
Aeronautical Charting and Cartography web site aludes to the fact that
they are working on this, but doesn't really go into detail. See

			http://acc.nos.noaa.gov/

Go to the frequently asked questions link for the summary of what
digital products they have available.

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | How many times would you like to
  -(*)-   | mailto:jaypee@netcom.com | reboot Microsoft Windows today?
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info
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		<14056.18872.867815.458481@kenai.me.umn.edu>
		<36E84DC7.96F50609@cssgroup.com> <14056.28647.240328.94469@kenai.me.umn.edu>
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"Curtis L. Olson" wrote:
> 
> Bob Deep writes:
> > I found this data for a lot of airports online...
> >
> > I was loking for the data the NOAA Uses to generate their Sectional maps
> > which would include navaids, landmarks, radio frequencies and
> > such...
> 
> The url I listed earlier includes vor and ndb type navaids.  That
> should help get you part of the way.  If you find data for landmarks,
> radio towers, building, and that sort of stuff let me know.  I'd like
> to be able to incorporate these things into the flight gear simulator.
> 
> > The purpose was to generate sectionals on the fly from this data to
> > achive a moving map display with various bells and wistles... (Like
> > being able to hook up a GPS and plot flight path and planned course
> > information... Hit a button and get local radio frequencies, closest
> > airport etc...)
> 
> That sounds like a handy tool.  Flight Gear can already output the GPS
> data via a serial port.  This might be useful in the code development
> / debugging phase so you don't have to haul your computer and
> development environment around. :-)


Yea that was the idea actually... I was planning to use flight gear as
the driver and validation enviroment before I actually went up and got
lost in an airplane...  I figured, that if I could get the program smoth
enough, you could incorparate it into flight gear as an add on too...

Perhaps it would be easier to do the IFR end of things first? The charts
are much simpler as they avoid all the landscape and visual landmarks
you find on a sectional.

I know the data exists somewhere as Jepson markets a product that is a
moving map display.. (I think that is what I saw on their web site
anyway..)  I also figure that for the US, this data must somehow be
obtained from the FAA or at least coordinated by them and thus should be
available at a reasonable cost....  By now it has to be in electronic
form of some kind... Well don't you think?

Oh.. And about flight gear...  What's the status of nav aids and their
displays?  I see a lot of effort going into rendering the landscape but
I don't see much on this front...  Blows M$ Flight away by a long shot
though...  I might be interasted in helping out on that front.... 
Starting with VOR's and NDB's, then moving on to DME, localizers,
glideslopes and markers..  If I get real good, we could add HSI's,
monitor audio and stuff like that...

As soon as I get my linux box back to a stable condition after my
recient hardware upgrade, I plan to build a copy of flight gear and give
it a try.  Right now, the hardware is not stable and the RMA process is
taking way too long...

Happy landings...

-= bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 12 22:31:31 1999
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Bob Deep writes:
> Yea that was the idea actually... I was planning to use flight gear
> as the driver and validation enviroment before I actually went up
> and got lost in an airplane...  I figured, that if I could get the
> program smoth enough, you could incorparate it into flight gear as
> an add on too...

Bob,

Yes, if it ran under Unix, you wouldn't even really have to
incorporate it into FGFS directly.  It could just run as a separate
process in a separate window ... maybe hack in some simple socket
communication since serial communication doesn't make much sense if
the two processes are running on the same machine.

> Perhaps it would be easier to do the IFR end of things first? The
> charts are much simpler as they avoid all the landscape and visual
> landmarks you find on a sectional.

You could draw what you have data for, and build on that as your find
additional data sources ...

> I know the data exists somewhere as Jepson markets a product that is
> a moving map display.. (I think that is what I saw on their web site
> anyway..)

Yes, I've seen the jeppeson software running and have even tested
flightgear with it.  It's pretty slick, although sometimes I wonder
how they managed to make it so slow, innefficient, and buggy ... but
then I remember that it runs under windows and I am less surprised ... ;-)

I think jeppeson collects and markets their own data so it wouldn't
surprise me that they would have a software product that incorporates
their own proprietary data.

> I also figure that for the US, this data must somehow be obtained
> from the FAA or at least coordinated by them and thus should be
> available at a reasonable cost....  By now it has to be in
> electronic form of some kind... Well don't you think?

I think I've seen airport data on some FAA site someplace.  I was
pointing out some errors in Robin Peel's airport data base and he
said, "yup, straight from the FAA data" so I guess just because you
get the data from the FAA doesn't mean it will be without error.

> Oh.. And about flight gear...  What's the status of nav aids and
> their displays?

Currently nada, zilch.

I have a pretty complete database of worldwide nav aid data, but I
haven't made any attempt to read this into some efficient internal
data structure, nor has anyone worked on modeling the various nav
instruments.

> I see a lot of effort going into rendering the landscape but I don't
> see much on this front...

Yes, currently I am plowing away on overhauling the scenery.

> Blows M$ Flight away by a long shot though...

In a few respects yes, but they have a fairly complete sim, and we
don't ... yet ... :-)

> I might be interasted in helping out on that front....  Starting
> with VOR's and NDB's, then moving on to DME, localizers, glideslopes
> and markers..  If I get real good, we could add HSI's, monitor audio
> and stuff like that...

That's definitely a current area of need.  If it might be something
you are interested in working on, feel free to email me personally and
I can help you get up to speed with the source code.  We can hash out
the interface with the rest of the sim, directory structure,
makefiles, and things like that.

> As soon as I get my linux box back to a stable condition after my
> recient hardware upgrade, I plan to build a copy of flight gear and
> give it a try.  Right now, the hardware is not stable and the RMA
> process is taking way too long...

Good luck.  Flaky hardware is among life's most annoying things (along
with the vending machine being out of pop tarts and my dog peeing on
my bed.)

Curt.
-- 
Curtis Olson                        University of MN, ME Dept.
curt@me.umn.edu                     
http://www.menet.umn.edu/~curt      Try Linux!
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 15 09:10:12 1999
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From: "John C. Peterson" <jaypee@netcom.com>
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Subject: Linux on Hand Held Computers?
To: linux-aviation@nl.linux.org
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   The list appears to have "taken off" (pun intended). I just
checked and there are now 56 subscribers to linux-aviation from
all over the world: Australia, Canada, Europe and the US. Welcome to
everyone, please feel free to post questions and ideas!

   Let me throw out a topic of personal interest for discussion, namely
"What will the future hold for Linux and Hand Held Aviation related
computing???"  I'm most interested in the smaller devices that will fit
in a shirt pocket, can easily be mounted on the yoke, panel or perhaps
a small "knee board", and has reasonable battery life.  Here's some
things to reflect on;

  1) What are the most promising platforms for Hand Held Aviation
     Computing??? The 3Com Palm devices are obvious candidates: there
     is already a good interface between Linux and PalmOS, small size,
     good battery life, large existing user base, etc.

  2) What is the long term prospect of running Linux itself on such
     devices???  I know there is a already a project that is taking on
     the task of porting Linux to small memory environments. Check out
     the uCLinux web web site at;

	http://ryeham.ee.ryerson.ca/uClinux/ (Main, US Site)
	http://humbolt.geo.uu.nl/~riel/uClinux/ (Mirror, Europe)

  3) What would be the major advantage of running Linux itself on these
     devices, or is it better to just stick with the native environments
     (e.g.  PalmOS)???  What about developing code in Java? For example,
     see

	http://www.hewgill.com/pilot/jump/index.html (Jump)
	http://www.cs.utah.edu/~mcdirmid/ghost/ (Ghost)
	http://www.wabasoft.com/overview.html (Waba)

  4) Potential applications??? Here's a few:

       o Weight and Balance
       o E6B "like" calculations (Density Altitude, etc).
       o Moving Map for use with GPS
       o Speed to Fly (for gliders)

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | The box said; "requires Windows NT
  -(*)-   | mailto:jaypee@netcom.com | 4.0 or better", so I installed Linux.
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info.
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 15 14:32:49 1999
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From: P & I Schubert <philings@ozemail.com.au>
To: "Linux-Aviation (E-mail)" <linux-aviation@nl.linux.org>
Subject: Engine Performance Curves/Equations/Sounds
Date: Mon, 15 Mar 1999 21:29:23 +0800
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Hello everyone. this is my first post to this list.

A brief introduction:

I am a IT Manager for a the State government railroad in Perth Western Australia.

I recently have been attracted to Linux as an alternative other operating systems that are getting increasingly greedy. As a result I have been interested in a GNU Licensed Flight Simulator that really models aircraft correctly and have just recently commenced contributing the FG project doing work on accurate engine models.

I am not new to Freeware concept having released a comprehensive donationware scenery package for Flight Simulator 98 covering the complete state of Western Australia (about 1/3 the size of the continental US). There have been about  11,000 downloads of this scenery for he various site world wide.

It is available from http://ozpack.pcsa.net.au/AWA.html

Screen shots of my next release can be seen at:

http://www.perthpcug.org.au/~ozpack/

I have 4,500 hours command time as a commuter airline pilot in the late 70's early 80's before taking up computing as a profession.

Anyway, I am chasing engine performance curves for a variety of engines. So far I have good data on Continental IO-520's, some on a PT6A-27, but looking for data on Lycoming engines, as well as Biz Jet engines.

Aircraft operating Handbooks are a good source, as I can plot points on the graphs and then do regression analysis on these.

Also looking for sound recordings of starting , idling, runnups, take off, and shutdown power settings to build into these models. Any format acceptable. These recordings would need to be in good quality mono, and preferably stereo.

These are particularly important for the PT6 engine.

Anyone handy to an airport?

Thanks in advance

Phil Schubert
Perth
Western Australia
e-mail: philings@ozemail.com.au
Home Page: http://www.ozemail.com.au/~philings/index.htm
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 15 14:50:44 1999
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Date: 15 Mar 99 08:34:33 -0500
From: ashw@lr.net (Ash R. J. Wyllie)
Subject: Re: Linux on Hand Held Computers?
To: "John C. Peterson" <linux-aviation@nl.linux.org>
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Excerpted from the mind of John C. Peterson;


>   The list appears to have "taken off" (pun intended). I just
>checked and there are now 56 subscribers to linux-aviation from
>all over the world: Australia, Canada, Europe and the US. Welcome to
>everyone, please feel free to post questions and ideas!

>   Let me throw out a topic of personal interest for discussion, namely
>"What will the future hold for Linux and Hand Held Aviation related
>computing???"  I'm most interested in the smaller devices that will fit
>in a shirt pocket, can easily be mounted on the yoke, panel or perhaps
>a small "knee board", and has reasonable battery life.  Here's some
>things to reflect on;

>  1) What are the most promising platforms for Hand Held Aviation
>     Computing??? The 3Com Palm devices are obvious candidates: there
>     is already a good interface between Linux and PalmOS, small size,
>     good battery life, large existing user base, etc.

>  2) What is the long term prospect of running Linux itself on such
>     devices???  I know there is a already a project that is taking on
>     the task of porting Linux to small memory environments. Check out
>     the uCLinux web web site at;

>       http://ryeham.ee.ryerson.ca/uClinux/ (Main, US Site)
>       http://humbolt.geo.uu.nl/~riel/uClinux/ (Mirror, Europe)

>  3) What would be the major advantage of running Linux itself on these
>     devices, or is it better to just stick with the native environments
>     (e.g.  PalmOS)???  What about developing code in Java? For example,
>     see

>       http://www.hewgill.com/pilot/jump/index.html (Jump)
>       http://www.cs.utah.edu/~mcdirmid/ghost/ (Ghost)
>       http://www.wabasoft.com/overview.html (Waba)

>  4) Potential applications??? Here's a few:

>       o Weight and Balance
>       o E6B "like" calculations (Density Altitude, etc).
>       o Moving Map for use with GPS
>       o Speed to Fly (for gliders)

I can add a few here. If it is possible to extract heading from a HSI (and to
sneak in a digital ASI) winds aloft can be calculated. As well as IFR position
reports.

                         -ash
                         (Paging Peter LaNague)

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From: Tom Atkinson <tom@tyco.net.au>
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Hi Phil!

My name is Tom Atkinson.  I am IT man for the Kevron Group which is
based here in Perth, Western Australia.  My company does aerial surveys
and is based at Jandakot.  I work at the East Perth office (which is
becoming more and more Linux-ified every day!).

I also am pilot for them (1500 hrs total).  Their fleet is:
2 x C404 (Titan, Cont IO-520)
1 x C441 (Conquest, Garrett TPE331)
1 x B60 (Duke, Lycoming IO-541)
4 x AC500S (Shrike, Lycoming IO-520)
1 x TU206G 
1 x C185
1 x PAC Cresco (PT6 engine)

I think I can help you out by getting hold of material such as POH. 
Sound recordings should also be possible, if you can supply the
equipment.  I fly the Duke and C404.  I probably could arrange for
recordings inside the C441 and Cresco.

The "Cresco", by the way, is the modern variant of the Fletcher
agricultural aircraft.  I can't remember which mark of PT6 it has.

P & I Schubert wrote:
> I recently have been attracted to Linux as an alternative other operating systems that are getting increasingly greedy. As a result I have been interested in a GNU Licensed Flight Simulator that really models aircraft correctly and have just recently commenced contributing the FG project doing work on accurate engine models.
> 
> Anyway, I am chasing engine performance curves for a variety of engines. So far I have good data on Continental IO-520's, some on a PT6A-27, but looking for data on Lycoming engines, as well as Biz Jet engines.
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 15 19:41:09 1999
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From: Jerry Kaidor <jerry@tr2.com>
Message-Id: <199903151939.LAA15448@tr2.com>
Subject: Introduction
To: linux-aviation@nl.linux.org
Date: Mon, 15 Mar 1999 11:39:02 -0800 (PST)
In-Reply-To: <199903150809.AAA20670@netcom4.netcom.com> from "John C. Peterson" at Mar 15, 99 00:09:57 am
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Hello,

   I'd like to introduce myself.  Name is Jerry Kaidor.  I've been Linux-ing
for 7 or 8 years ( started with kernel version 0.95 ) and flying for three.
   I make money for toys by doing embedded network programming, and my main
toy lives down at San Carlos Airport:  a 1953 Cessna 170 taildragger called
"The Silver Turtle".

   When I was learning to fly, I wrote a lot;  that mass of writing resides
at my web site, www.tr2.com.

   I host a couple of mailing lists - cessna-140@lists.best.com, and 
cessna-170@lists.best.com.  The subjects are self evident :-).

   I have no specific applications or plans for Linux in the cockpit at 
this time, but am open to new ideas.  I believe that Linux _can_ be made
robust enough for cockpit duty, whereas Windows can NOT.  Windows does
have its place, but do you really want to depend on every single DLL, 
modified by every single vendor, when bouncing around in the clouds?  Ugh.

   One thing I think a Linux system can be very good for, is flight
planning.  Now that DUATS is accessable via telnet, I'm imagining a 
system where I say "I'd like to fly the Turtle to Pismo Beach this
afternoon", and a full set of documents is printed, including charts,
flight log, etc, etc, and a flight plan filed with FSS.  With a minimum
of human intervention.  And with enough artificial intelligence to 
say "whups, jerry, are you sure you want to do that?  There's icing
at 5000....", and taking into account the particular capabilities and
limitations of my airplane ( "Xwind component is forcast to be 10knots
gusting to 15, didn't you almost groundloop the airplane last time
that happened?" :-) ).  

   I know flight planning isn't as sexy as the in-cockpit stuff, but
it can be an awful lot of work.  To do it right, that is.  And the
plug-together-tinkertoy nature of Unix could potentially make it
more doable than in Windows.  

                                  - Jerry Kaidor ( jerry@tr2.com )
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 15 20:42:50 1999
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Hello - 

Let me introduce myself and my interests.  My name is Don Black.  I am 
a professional Systems Analyst and Software Eningeer, and a Private Pilot. 

I am interested in gaining access to Linux Flight Planning Software that 
I can use online over the internet.  I wish to install it on my Linux 
Web Server, and be able to use it via Netscape. 

My intent is to provide access to the software via my Web Server, not to 
develop tha application.  I do, however, have some considerable expertise 
in 'C', JavaScript, HTML and CGI/Perl, and could participate in the 
technical end in some small way. 

For a sampling of my qualifications, you may examine my website at 
"http://www.dcgfx.com". 

Let me also invite you to check out a great aviation site for anyone 
flying in California - "http://www.pilotage.com".  

Pilotge has a list of aviation shareware downloadable from NASA at: 
"http://www.pilotage.com/software".

Anybody with available shareware or demoware, who wants to list it with 
PilotAge's NASA database can try "http://www.pilotage.com/forms".

Thanx
- Don Black
 dcg@softcafe.net
 

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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 15:10:59 1999
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From: "Keith Brown" <bahalana@wt.net>
To: <linux-aviation@nl.linux.org>
Subject: Introduction and possible thread
Date: Tue, 16 Mar 1999 08:03:20 -0600
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Hi everyone!

So far, I've seen introductions from Don and Jerry. I'm from the other =
side of the fence, having more experience in aviation then computers or =
specifically Linux, at least professionally. I've been involved in =
flying one way or another since I was about 10 years old. I spent 9-1/2 =
years in the U.S. Air Force, 6-1/2 as enlisted aircrew on C-130 aircraft =
(2000 hrs) and 3 as an air traffic controller. I've been a controller =
now with the FAA at Houston Center since 1991. I hold a BA in =
Professional Aeronautics from Embry-Riddle and an AAS in Airway Sciences =
from The Community College of the Air Force. I am a private pilot, but I =
haven't been current for a number of years since raising a family has =
kinda put that on the back burner for a while.

I've been programming in C/C++ as a hobby for about 10 years. I don't =
have anything concrete to show for it except maybe a small part of the =
KDE project. I wrote the original tree widget that was used in KFM and =
some other apps. I've been using Linux since Slackware 1.something. If =
you notice I'm writing this from Windows, its because I lost the hard =
drive that was my /home partition in Linux (GRRRR!). I'm not very happy =
with Quantum right now. Anyway, I normally use Linux for almost =
everything.

One thing I've always been interested in working on is flight planning =
software. At one time, I worked out a lot of the algorithms and =
interface design for such a project. I noticed both Don and Jerry =
expressed similar interests. The thing that stopped me though was =
exposure to liability. I never discussed it with an attourney or other =
legal authority, it was just my concern for my financial welfare.

As you all probably know, General Aviation was almost put out of =
business because of product liability. I'm surprised there hasn't been a =
problem with flight planning software. Either the industry has been =
lucky, the products have been good enough to have never been perceived =
as contributory to an accident, or maybe I'm wrong about the potential =
for trouble. Of course, the scenario I envision is a bug in the software =
or Joe Blow's incompetence in using it along with his incompetence at =
flying causes "controlled flight into terrain" or something of that =
nature. At least those few companies that control the market probably =
have enough resources to try to defend themselves. I (we) don't, and no =
matter how many disclaimers you present on your product, it doesn't =
prevent someone from naming you in a lawsuit and forcing you to pay big =
bucks to defend it in court. I don't really know what impact the concept =
of freeware or open source would have on this. Perversely, it seems to =
me that the more a product does for the pilot to keep him out of =
trouble, the more exposed the creators are to lawsuits. I mean, if you =
claim the ability to determine conflicts with minimum altitudes, special =
use airspace, weather conditions, etc., that's just more ammunition to =
be used against you when a pilot relies on it, perhaps mistakenly, and =
it gets him dead.

Anyone have any thoughts on this? Naturally, it'd be great is one of was =
actually a lawyer and wanted to throw in his $.02 worth, on a =
contingency basis, of course :-)

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML><HEAD>
<META content=3Dtext/html;charset=3Diso-8859-1 =
http-equiv=3DContent-Type>
<STYLE></STYLE>

<META content=3D'"MSHTML 5.00.0910.1309"' name=3DGENERATOR></HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi everyone!</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial>So far, I've seen introductions from Don and =
Jerry. I'm=20
from the other side of the fence, having more experience in aviation =
then=20
computers or specifically Linux, at least professionally. I've been =
involved in=20
flying one way or another since I was about 10 years old. I spent 9-1/2 =
years in=20
the U.S. Air Force, 6-1/2 as enlisted aircrew on C-130 aircraft (2000 =
hrs) and 3=20
as an air traffic controller. I've been a controller now with the FAA at =
Houston=20
Center since 1991. I hold a BA in Professional Aeronautics from =
Embry-Riddle and=20
an AAS in Airway Sciences from The Community College of the Air Force. I =
am a=20
private pilot, but I haven't been current for a number of years since =
raising a=20
family has kinda put that on the back burner for a while.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial>I've been programming in C/C++ as a hobby for =
about 10=20
years. I don't have anything concrete to show for it except maybe a =
small part=20
of the KDE project. I wrote the original tree widget that was used in =
KFM and=20
some other apps. I've been using Linux since Slackware 1.something. If =
you=20
notice I'm writing this from Windows, its because I lost the hard drive =
that was=20
my /home partition in Linux (GRRRR!). I'm not very happy with Quantum =
right now.=20
Anyway, I normally use Linux for almost everything.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial>One thing I've always been interested in working =
on is=20
flight planning software. At one time, I worked out a lot of the =
algorithms and=20
interface design for such a project. I noticed both Don and Jerry =
expressed=20
similar interests. The thing that stopped me though was exposure to =
liability. I=20
never discussed it with an attourney or other legal authority, it was =
just my=20
concern for my financial welfare.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial>As you all probably know, General Aviation was =
almost put=20
out of business because of product liability. I'm surprised there hasn't =
been a=20
problem with flight planning software. Either the industry has been =
lucky, the=20
products have been good enough to have never been perceived as =
contributory to=20
an accident, or maybe I'm wrong about the potential for trouble. Of =
course, the=20
scenario I envision is a bug in the software or Joe Blow's incompetence =
in using=20
it along with his incompetence at flying causes &quot;controlled flight =
into=20
terrain&quot; or something of that nature. At least those few companies =
that=20
control the market probably have enough resources to try to defend =
themselves. I=20
(we) don't, and no matter how many disclaimers you present on your =
product, it=20
doesn't prevent someone from naming you in a lawsuit and forcing you to =
pay big=20
bucks to defend it in court. I don't really know what impact the concept =
of=20
freeware or open source would have on this. Perversely, it seems to me =
that the=20
more a product does for the pilot to keep him out of trouble, the more =
exposed=20
the creators are to lawsuits. I mean, if you claim the ability to =
determine=20
conflicts with minimum altitudes, special use airspace, weather =
conditions,=20
etc., that's just more ammunition to be used against you when a pilot =
relies on=20
it, perhaps mistakenly, and it gets him dead.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT face=3DArial>Anyone have any thoughts on this? Naturally, =
it'd be great=20
is one of was actually a lawyer and wanted to throw in his $.02 worth, =
on a=20
contingency basis, of course :-)</FONT></DIV></BODY></HTML>

------=_NextPart_000_0158_01BE6F83.74B265C0--

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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 15:40:36 1999
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> Keith Brown wrote:
> 
> Hi everyone!
> 
> I am a private
> pilot, but I haven't been current for a number of years since raising
> a family has kinda put that on the back burner for a while.

I know how that goes..  Once I got married my flight time has been very
limited...  Don't know when I'd get any in anyway..
 
> I noticed both Don and Jerry
> expressed similar interests. The thing that stopped me though was
> exposure to liability. I never discussed it with an attourney or other
> legal authority, it was just my concern for my financial welfare.

Well...  Hmmm.. Had not thought of that.

<snip>
> Anyone have any thoughts on this? Naturally, it'd be great is one of
> was actually a lawyer and wanted to throw in his $.02 worth, on a
> contingency basis, of course :-)

My guess is that if you don't have anything, you are not likely to have
a problem.  The reason the Aircraft makers where driven out of the small
aircraft market was not so much their making aircraft as their
appearance of having deep pockets.  Not may A&P's where named in civil
actions and few would actually pay any losses because they generally
don't have anything to give (even at $45 an hour...)

Also... If you have a group of individuals who have no assets in common,
who would you go after?

I'm not in the leagal profession so you had better ask the attourney,
but I don't think the I would have much to worry about.. They would not
get much money out of me, so I doubt they would even try.

-= bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 16:12:36 1999
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Keith Brown writes:
> One thing I've always been interested in working on is flight
> planning software. At one time, I worked out a lot of the algorithms
> and interface design for such a project. I noticed both Don and
> Jerry expressed similar interests. The thing that stopped me though
> was exposure to liability. I never discussed it with an attourney or
> other legal authority, it was just my concern for my financial
> welfare. 
> 
> Anyone have any thoughts on this? Naturally, it'd be great is one of
> was actually a lawyer and wanted to throw in his $.02 worth, on a
> contingency basis, of course :-) 

I've played around a bit with the Jeppesen flight planning/moving map
software.  I managed to spot one hideous bug.  As I was flying toward
my destination airport, the software reported an ever increasing
distance and ETA.  But, it did report the correct heading.  I've only
seen this happen once.  I've also seen it hang/crash on numerous
occasions.  This is with win95 so neither problem may directly be the
fault of Jeppeson ... who knows.

I'm not a lawyer, and I don't have my pilots license (the above
experience was with a simulator) so I can't answer your liability
questions.  But that doesn't stop me from making wild
speculations. :-)

I would guess that 99.999% of pilots would have enough sense not to
trust their lives completely in a win95 based product ... or for that
matter depend on any one single point of failure.

I would also guess that most people having run MS operating systems
and software are used to frequent bugs and crashes and have the
appropriate distrust of any software and the common sense to cross
check with all the other information available.

I think that having all the appropriate disclaimers clearly posted
would definitely be required and helpful for disuading people from
naming you in a lawsuit.

Taking a step back it seems really silly that a person would have to
hesitate to contribute something useful to society because of the
threat of being sued by someone who foolishly mis-used it.  But I
guess that is life, at least here in the USA ...

Maybe what you need to do is get a fake hotmail address and do all
your development with an anonymous identity that can't be traced back
to your real identity. :-)

Curt.
-- 
Curtis Olson                        University of MN, ME Dept.
curt@me.umn.edu                     
http://www.menet.umn.edu/~curt      Try Linux!
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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 16:37:01 1999
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Subject: Re: Linux on Hand Held Computers?
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John C. Peterson writes:
> The list appears to have "taken off" (pun intended). I just
> checked and there are now 56 subscribers to linux-aviation from
> all over the world: Australia, Canada, Europe and the US. Welcome to
> everyone, please feel free to post questions and ideas!
> 
>  Let me throw out a topic of personal interest for discussion, namely
> "What will the future hold for Linux and Hand Held Aviation related
> computing???"  I'm most interested in the smaller devices that will fit
> in a shirt pocket, can easily be mounted on the yoke, panel or perhaps
> a small "knee board", and has reasonable battery life.  Here's some
> things to reflect on;
> 
>   1) What are the most promising platforms for Hand Held Aviation
>      Computing??? The 3Com Palm devices are obvious candidates: there
>      is already a good interface between Linux and PalmOS, small size,
>      good battery life, large existing user base, etc.

I own a palm pilot, and I have fallen in love with it's simplicity,
it's flexibility, it's ease of use, and it's hack-ability.

>   2) What is the long term prospect of running Linux itself on such
>      devices???  I know there is a already a project that is taking on
>      the task of porting Linux to small memory environments. Check out
>      the uCLinux web web site at;
> 
> 	http://ryeham.ee.ryerson.ca/uClinux/ (Main, US Site)
> 	http://humbolt.geo.uu.nl/~riel/uClinux/ (Mirror, Europe)

For a non-techy person, PalmOS is pretty simple for loading and
deleting applications and doing admin tasks.  It's simple enough that
there's not much that can go wrong, not much you can screw up, and not
much to get your head around to figure out all the basics.

As much as I like Linux, I'm not sure it would really contribute
anything to the usefulness and simplicity of the palm pilot.  I would
vote for keeping it small, keeping it simple, and keep it running
PalmOS.

>   3) What would be the major advantage of running Linux itself on these
>      devices, or is it better to just stick with the native environments
>      (e.g.  PalmOS)???  What about developing code in Java? For example,
>      see
> 
> 	http://www.hewgill.com/pilot/jump/index.html (Jump)
> 	http://www.cs.utah.edu/~mcdirmid/ghost/ (Ghost)
> 	http://www.wabasoft.com/overview.html (Waba)

I suppose the big advantage of running Linux on the pilot is that apps
developed for linux would immediately run on the pilot ... or would
they?  Even with Linux running on the Palm Pilot, you have to be
concerned with display size and capability.  Do you have X11 on your
pilot?  Gtk?  Tcl/Tk?  Would these also be ported to the pilot?  If
so, would they fit?

My Linux machine runs pretty well with 128Mb RAM ... but once in a
while I think I might like to slap in another 128Mb.  My palm pilot
has 1Mb.  Even back when I had a 386 with 4Mb of RAM unix ran pretty
well until I tried to do anything graphics related.

I guess my point is that there are enough hurdles to over come, that
it might be just as easy to write a native PalmOS version of the app,
rather than trying to wedge Linux + X11 + other libs + application +
data onto the palm pilot.

Linux makes a great development platform and could be used to develop
palmos applications ...

<ramble alert>

Linux is wonderful for server roles, wonderful for technical users,
and wonderful for average users (if someone maintains the machine for
them).  But, I still hesitate to recommend Linux to ye olde random
user who has to setup and maintain their own machine.  I hesitate to
recommend windows to these same people for the same reasons.  No
matter how simple MS tries to make it, it still is bizarre, hard to
understand, and very complex and obfuscated in many areas.

What I would love to see is something akin to PalmOS for desktop
computers.  This would provide an ultra simple environment for
non-techy users.  It would be simple and hard for them to screw up.
They could run their applications and not have to spend much time
keeping their machine alive.

Curt.
-- 
Curtis Olson                        University of MN, ME Dept.
curt@me.umn.edu                     
http://www.menet.umn.edu/~curt      Try Linux!
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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 20:47:21 1999
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From: "Keith Brown" <bahalana@wt.net>
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>> I noticed both Don and Jerry
>> expressed similar interests. The thing that stopped me though was
>> exposure to liability. I never discussed it with an attourney or other
>> legal authority, it was just my concern for my financial welfare.
><snip>
>> Anyone have any thoughts on this? Naturally, it'd be great is one of
>> was actually a lawyer and wanted to throw in his $.02 worth, on a
>> contingency basis, of course :-)
>
>My guess is that if you don't have anything, you are not likely to have
>a problem.  The reason the Aircraft makers where driven out of the small
>aircraft market was not so much their making aircraft as their
>appearance of having deep pockets.  Not may A&P's where named in civil
>actions and few would actually pay any losses because they generally
>don't have anything to give (even at $45 an hour...)
>
>Also... If you have a group of individuals who have no assets in common,
>who would you go after?
>
>I'm not in the leagal profession so you had better ask the attourney,
>but I don't think the I would have much to worry about.. They would not
>get much money out of me, so I doubt they would even try.

Well, you're probably right about lack of assets being a deterrent to
lawsuits. I guess at the time I was considering a shareware venture, and any
business of any type that doesn't carry liability insurance is pretty
foolish, and then having insurance, bang!, instantly you have deep enough
pockets to sue. I think an open source or other licensing scheme where the
product is free for non-commercial use and the source code is available
would probably not have this problem, though again, I'm not sure of the
legal principles or precedents involved. I know I've seen articles recently
in some of the usual open source news outlets about aerospace companies
flocking to open source technology for embedded systems like avionics and
such, so I'm sure they are satisfied they can cover their ends.

If someone really has a beef with you though, they may want to make your
life a living hell for a few years, whether they will get anything monetary
out of it or not. And if they *should* win a judgement against you, whether
you have it or not doesn't make it go away.


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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 20:57:32 1999
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>I would guess that 99.999% of pilots would have enough sense not to
>trust their lives completely in a win95 based product ... or for that
>matter depend on any one single point of failure.

Maybe, but I don't mean a failure in the OS, but a bug in the software.
Though Linux is rock solid, it can't correct a programmer's mistakes :-( And
if I'm not mistaken, there is at least one moving map system out there for
general aviation that is Windows based. I kid you not!

>I think that having all the appropriate disclaimers clearly posted
>would definitely be required and helpful for disuading people from
>naming you in a lawsuit.

I don't doubt it would certainly help the case, but "apropriate" and
"clearly posted" are other aspects that would be attacked by the plaintiff.

>Taking a step back it seems really silly that a person would have to
>hesitate to contribute something useful to society because of the
>threat of being sued by someone who foolishly mis-used it.  But I
>guess that is life, at least here in the USA ...

Yes, who would have thought a woman spilling coffee in her lap could sue
because it was too hot, and win millions of dollars!

>Maybe what you need to do is get a fake hotmail address and do all
>your development with an anonymous identity that can't be traced back
>to your real identity. :-)

Hee hee, now that would instill confidence in my product!


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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 21:06:54 1999
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Curt wrote:
> >I would guess that 99.999% of pilots would have enough sense not to
> >trust their lives completely in a win95 based product ... or for that
> >matter depend on any one single point of failure.

Keith Brown writes:
> Maybe, but I don't mean a failure in the OS, but a bug in the software.
> Though Linux is rock solid, it can't correct a programmer's mistakes
> :-(

Yes, definitely, which is why I tacked on the "single point of
failure" claus.  Also, flakey hardware can make Linux look just as
instable as windows.  (You often don't notice flakey hardware in
windows because you are used to rebooting frequently, or powering down
every night.)

> And if I'm not mistaken, there is at least one moving map system out
> there for general aviation that is Windows based. I kid you not!

Yes, there are several.  I've seen the Jeppesen Flight Star program in
action.  I've seen one bad bug in it which reported incorrect
distances to the destination.  I've seen it crash and hang on reliable
hardware ...

Curt.
-- 
Curtis Olson                        University of MN, ME Dept.
curt@me.umn.edu                     
http://www.menet.umn.edu/~curt      Try Linux!
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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 21:22:16 1999
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Keith Brown wrote:
> 
> Well, you're probably right about lack of assets being a deterrent to
> lawsuits. I guess at the time I was considering a shareware venture, and any
> business of any type that doesn't carry liability insurance is pretty
> foolish, and then having insurance, bang!, instantly you have deep enough
> pockets to sue. I think an open source or other licensing scheme where the
> product is free for non-commercial use and the source code is available
> would probably not have this problem, though again, I'm not sure of the
> legal principles or precedents involved. 

Another option is a LLC (Limited Libility Company).  It would limit your
libility to some value based upon your investment in the company.  You
then become just an employee of the company (well almost).  Then you
carry a minimum of insurance and let the chips fall where they may...

> I know I've seen articles recently
> in some of the usual open source news outlets about aerospace companies
> flocking to open source technology for embedded systems like avionics and
> such, so I'm sure they are satisfied they can cover their ends.

More likely because there is no clear way to pin the ownership and thus
the responsibility on one specific person or company.  But clearly the
Open Source model also has development advantages too..

> If someone really has a beef with you though, they may want to make your
> life a living hell for a few years, whether they will get anything monetary
> out of it or not. And if they *should* win a judgement against you, whether
> you have it or not doesn't make it go away.

Yea, I suppose you are right..  But if you have 10 developers in 10
states, you are not likely to get civil cases even filed because they
would have to file 10 differant suits...  Their local courts cannot try
the case w/o notifying you, and unless they can serve the papers
directly, the case is going to be dropped.  (US Law I'm told)..  Now if
you have offshore development... Things get even more unlikely...  I'd
say that if somebody wants to come after me, there is little I can do to
stop them, and little they will collect if they do.

-= Bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 16 22:56:16 1999
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From: "Dr. Robert J. Meier" <robert.meier@fanucrobotics.com>
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Subject: Introduction
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Cyberflyers,

Let me add to the introductions.

My name is Robert Meier.  I've ~1000 hrs in airplanes since 1977.  My
current ratings include Commercial, Instrument, Airplane,
Single-Engine Land, High Altitude, Turbo, Basic Ground Instructor, and
Instrument Ground Instructor.  I'm currently pursuing my Certified
Flight Instructor rating.  I've ~35000 hrs on computers since 1977.
My current proficiency includes linux, Irix, SGI Indigo, C, C++,
perl, and octave.

My 1/4 share of a 1966 Piper Cherokee 6 (PA32-300), N4015W, is based
at Dupont-Lapeer Airport Michigan (D95), when not used to visit
friends and family 200-1000 miles away.  My Dell Dimension XPS-133c
boots Win95 (<5%) and linux-2.2.1 (>90%).  At work, I split my time
between a Dell using WinNT/C and an SGI Indigo using Irix-6.5/C++.

Accurate and programmable instrument flight simulation is my major
interest in linux and flying, but my business concerns prevented me
from contributing to flight gear.  At present, I am using ProPilot99
from SubLogic but regret that I cannot program it to match the
flight characteristics of a Piper Cherokee 6, nor modify missing or
incorrect airports, navaids, etc.

Accurate and reusable flight planning is my second interest.  I
currently use a forms (ANSI DIF ported from FoxPro Mac) based database
to organize my flight plans.  Before a trip, I can quickly print
my intended flight plans, and several alternatives.  The ability to
quickly pick an alternative suitable to the weather constraints
gives me the adaptability needed for safe winter flying on the
East Coast of the United States.

Until ~1985, the AOPA provided flight planning information customized
for your aircraft.  They'd arrive in a manilla envelope sealed
with a sticker quoting FAR 91.3 ([PIC is responsible.  PIC must obtain
all pertinent information.]) In 1987, I flew from Michigan to
California using one.  (When I called shortly after, I was told
that I should not have received it, since AOPA had discontinued the
service a few years earlier.)  Though obviously not a legal flight
plan, their information was in flight plan format, and made an
excellent flight planning checklist.

Clear skies,

Robert Meier

P.S. I collect verses of the following song,

Bless 'em all, Bless 'em all.
The long, and the short, and the tall.

Bless the instructors who taught us to fly.
They say they're lucky that their still alive.
If we retract the gear on the ramp,
Nobody's blue eyes will be damp.

So classroom or cockpit, ground school or flight school,
Come on along, Bless 'em all.

Bless 'em all, Bless 'em all.
The long, and the short, and the tall.

Bless all the briefers with weather reports.
If they say it's raining, bring lotion and shorts.
Amid icing and thunderstorms bide,
A heck of a wild airplane ride.

So forecast or current, 'mid cirrus or stratus,
Come on along, Bless 'em all.
-
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 08:13:43 1999
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Subject: Flight Planning (was Re: Introduction)
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In-Reply-To: <199903151939.LAA15448@tr2.com> from "Jerry Kaidor" at Mar 15, 99 11:39:02 am
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Jerry Kaidor writes:
>
>Hello,
>
>   I'd like to introduce myself.  Name is Jerry Kaidor.  I've been Linux-ing
>for 7 or 8 years ( started with kernel version 0.95 ) and flying for three.
>[...]

>   One thing I think a Linux system can be very good for, is flight
>planning.  Now that DUATS is accessable via telnet, I'm imagining a 
>system where I say "I'd like to fly the Turtle to Pismo Beach this
>afternoon", and a full set of documents is printed, including charts,
>flight log, etc, etc, and a flight plan filed with FSS.  With a minimum
>of human intervention.  And with enough artificial intelligence to 
>say "whups, jerry, are you sure you want to do that?  There's icing
>at 5000....", and taking into account the particular capabilities and
>limitations of my airplane ( "Xwind component is forcast to be 10knots
>gusting to 15, didn't you almost groundloop the airplane last time
>that happened?" :-) ).  
>

   I'll agree with this, and it appears that a few pilots out there
had the same idea and have already taken a shot at this problem.  I
haven't tried them, or added them to the FAQ yet, but I've seen some
Perl scripts designed to decode METAR reports, etc. You can find them
on CPAN (and mirrors):

   http://www.cpan.org/authors/id/J/JB/JBRIGGS/Aviation-Report-1.02.tar.gz
   http://www.cpan.org/authors/id/J/JZ/JZAWODNY/Geo-METAR-1.12.tar.gz
   http://www.cpan.org/authors/id/MSOLOMON/Geo-WeatherNOAA-4.30.tar.gz

There is a wealth of other quality weather data out there that's up for
grabs (satellite and radar summaries from Intellicast, etc). It would
be real neat to have something that could quickly retreive data from a
variety of sources, and collate it in some coherent fashion.

>   I know flight planning isn't as sexy as the in-cockpit stuff, but
>it can be an awful lot of work.  To do it right, that is.  And the
>plug-together-tinkertoy nature of Unix could potentially make it
>more doable than in Windows.  
>
>                                  - Jerry Kaidor ( jerry@tr2.com )

   Now is probably a good time to put in a plug for the Linux based
flight planning software effort I started about a year ago. Actually,
it's a resurrection of the Unix (Sun) based flight planning tool written
by Steve Tynor way back in the late 80's. It's called fplan and you
can find it at

		http://metalab.unc.edu/fplan/

It's come a long way since Steve's last public release, but there's
still many obvious improvements that could be done. It's been out for
a few months now, but I haven't received too much feedback in the
way of suggestions for improvements yet. Comments and volunteers
are welcome....

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | "640 K is all the memory you
  -(*)-   | mailto:jaypee@netcom.com | will *ever* need..." - Bill Gates
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 09:57:16 1999
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In response to the concern expressed regarding legal issues, I 
can only say that law is not my field.  Hence I would be interested 
in hearing a lawyer's response to these concerns. 

On the target application side, my interest is in entertainment only. 
I do NOT intend for this software to be used by pilots for flight 
planning, or for any purpose other than entertainment and personal 
enjoyment. 

               WARNING - NOT TO BE USED FOR NAVIGATION

While I may use flight planning software to entertian myself with 
pre-flight analysis, I perform all critical flight planning 
calculations using at least two separate methods, one of which 
is by hand. 

               WARNING - NOT TO BE USED FOR NAVIGATION


At 08:20 PM 3/16/99 +0000, you wrote:
>Keith Brown wrote:
>> 
>> Well, you're probably right about lack of assets being a deterrent to
>> lawsuits. I guess at the time I was considering a shareware venture, and
any
>> business of any type that doesn't carry liability insurance is pretty
>> foolish, and then having insurance, bang!, instantly you have deep enough
>> pockets to sue. I think an open source or other licensing scheme where the
>> product is free for non-commercial use and the source code is available
>> would probably not have this problem, though again, I'm not sure of the
>> legal principles or precedents involved. 
>
>Another option is a LLC (Limited Libility Company).  It would limit your
>libility to some value based upon your investment in the company.  You
>then become just an employee of the company (well almost).  Then you
>carry a minimum of insurance and let the chips fall where they may...
>
>> I know I've seen articles recently
>> in some of the usual open source news outlets about aerospace companies
>> flocking to open source technology for embedded systems like avionics and
>> such, so I'm sure they are satisfied they can cover their ends.
>
>More likely because there is no clear way to pin the ownership and thus
>the responsibility on one specific person or company.  But clearly the
>Open Source model also has development advantages too..
>
>> If someone really has a beef with you though, they may want to make your
>> life a living hell for a few years, whether they will get anything monetary
>> out of it or not. And if they *should* win a judgement against you, whether
>> you have it or not doesn't make it go away.
>
>Yea, I suppose you are right..  But if you have 10 developers in 10
>states, you are not likely to get civil cases even filed because they
>would have to file 10 differant suits...  Their local courts cannot try
>the case w/o notifying you, and unless they can serve the papers
>directly, the case is going to be dropped.  (US Law I'm told)..  Now if
>you have offshore development... Things get even more unlikely...  I'd
>say that if somebody wants to come after me, there is little I can do to
>stop them, and little they will collect if they do.
>
>-= Bob =-
>-
>Archives of linux-aviation: http://mail.nl.linux.org/lists/linux-aviation/
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 09:58:54 1999
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From: "Schubert, Phil" <PSchubert@Westrail.wa.gov.au>
To: linux-aviation@nl.linux.org
Subject: FW: Engine Performance Curves/Equations/Sounds
Date: Wed, 17 Mar 1999 16:58:27 +0800
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	[[PS]]  

	Tom Atkinson wrote:

> I am IT man for the Kevron Group which is
> based here in Perth, Western Australia.  My company does aerial surveys
> and is based at Jandakot.  
	[[PS]]  

	I know Kevron. They have been around a long time. They were
operational in the North with a short nose C402 (VH-CKI) when I was flying
out of Port Hedland in the late 70's early 80's. I always felt sorry for the
guys flying on oxygen at 20,000'

> I work at the East Perth office (which is
> becoming more and more Linux-ified every day!).
	[[PS]]  

	You are not far from me. I work in the East Perth Terminal. I am
acting Information Technology Services Manager for Westrail. I am looking at
Linux both as an cheaper and more robust alternative to other OS's for
signalling systems, and because of M$ have forgotten that they have things
called "customers."

> I also am pilot for them (1500 hrs total). 
	[[PS]]  
	I used to fly for Transwest, and then Skywest. (4,500 hours)

>  Their fleet is:
	[[PS]]  
> 2 x C404 (Titan, Cont IO-520) [[PS]]    I have about 200 hrs in these plus
> 500 in a C421 
> 1 x C441 (Conquest, Garrett TPE331)
> 1 x B60 (Duke, Lycoming IO-541) [[PS]]  . Never got to fly one of these,
> but always wanted to. 
> 4 x AC500S (Shrike, Lycoming IO-520) [[PS]]   Nearly 1000 hours in these.
> These were my favourite 
> 1 x TU206G  [[PS]]   150 hours. Is this a turbocharged version, if so
> would be especially interested in the graphs  
> 1 x C185 [[PS]]   Never got a tail dragger endorsement 
> 1 x PAC Cresco (PT6 engine)
> 
> I think I can help you out by getting hold of material such as POH. 
> Sound recordings should also be possible, if you can supply the
> equipment.
	[[PS]]  
	I'll see what I can do. I could use my laptop and record to a wave
file.

>   I fly the Duke and C404.  I probably could arrange for
> recordings inside the C441 and Cresco.
	[[PS]]  
	I stopped flying in 1982 because of a health problem. My son (18) is
now doing his commercial license at the Royal Aero Club. Looking for part
time work sweeping hangers, or anything to do with aviation. He is at
Midland TAFE doing a Diploma in Airport Management. 

> The "Cresco", by the way, is the modern variant of the Fletcher
> agricultural aircraft.  I can't remember which mark of PT6 it has.
	[[PS]]  
	Never seen the turbine version, but gee, that would have to be the
most UGLY aircraft ever built if it has a long skinny nose!! I dare say the
engine would be a PT6A-27 variant. They all are very similar. I have 1000
hours command time in a Twin Otter and some cockpit time in a King Air so
are fairly familiar with the PT6. Basically the lower horspower versions are
identical, just flat rated.

	Cheers

	Phil

	e-mail: philings@ozemail.com.au

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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 13:01:55 1999
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I reside in the UK. I started learning to fly in 1990, licensed in
Florida in 1992 as it looked as though the UK weather would drag that
out for another couple of years. I fly C152's and PA28's and the
highlight so far was a weekend away in the Frech Alps.
	My other hobbies are Ham radio where I've built and part desgined some
complex gear like transceivers and test equipment, though demands on
time have brought building to a near standstill. I only have Linux
installed on my 2 machines and I use that for work (S/390 Hardware
Specialist), packet radio and anything else I need to do. With Citrix
winframe, X3270, Netscape, adobe acrobat, StarOffice and Applixware,
that covers just about all I need to accomplish work tasks.
	I've been involved with Linux ever since Linus placed it up for ftp, so
I've had the pleasure of seeing it develop at quite a pace and as a
stable operating system, I've never been in a position where I couldn't
work because of Linux, bearing in mind that I always use the bleeding
edge kernels and applications.
	I think Linux in aviation has great possibilities, for one thing we
could develop far more reliable applications than are possible for
windows.
	Like all software, the user has the responsibility to ensure caution
and cross-checking is employed to avoid nasty shocks in the crtitcal
phases of a flight. In the USA, there is DUATS, over here we have no
such tools, so planning is done by hand. My feeling is that over time,
systems will develop to the point where substantial parts can be trusted
and perhaps certified by the respective authorities. Here we are
cautioned not to use GPS as our primary method of navigation, a point
proved to me last Sunday when my GPS 90 at 2000 feet told me I needed
more height, so go-to-nearest gave no output.
	I've yet to try FlightGear, for some years I've played with "icao",
excellent work, except the "World" file was just for Germany,
Switzerland and part of France. Whatever software is developed, I think
it must be able to use available commercial databases for anywhere on
the planet, Jeppesen seems to have the widest range available as
exemplified in their training, planning and GPS software, so in the true
spirit of Linux, a plea for realising the end of the know earth extends
well beyond the borders of the USA.
Regards
-- 
... Sid Boyce...Amdahl(Europe)...44-121 422 0375 
Any opinions expressed above are mine and do not necessarily represent
 the opinions or policies of Amdahl Corporation.
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 16:39:15 1999
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Message-Id: <199903171639.IAA25747@tr2.com>
Subject: Re: Flight Planning (was Re: Introduction)
To: linux-aviation@nl.linux.org
Date: Wed, 17 Mar 1999 08:39:13 -0800 (PST)
In-Reply-To: <199903170713.XAA05423@netcom18.netcom.com> from "John C. Peterson" at Mar 16, 99 11:13:33 pm
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John C. Peterson wrote:
> 
> 		http://metalab.unc.edu/fplan/
> 
> It's come a long way since Steve's last public release, but there's
> still many obvious improvements that could be done. It's been out for
> a few months now, but I haven't received too much feedback in the
> way of suggestions for improvements yet. Comments and volunteers
> are welcome....
> 
*** Wow John,

   You beat me to the punch!  I had found fplan a few years ago, and
had gotten it compiled and working on my Linux box.  Just yesterday,
I'd put the tar.gz up on my website for people to play with.

   As I remember, fplan had a good parser for a database file, another
parser for inputting your desires.  The main thing it lacked to be useful
was - I forget exactly what - but it was lacking some major piece of the
leg calculation, either density altitude or Winds Aloft.

   I had even gotten a copy of the O'Rielly Lex&Yacc book, specifically to
play with fplan.  I had also started experimenting with a sockets-based
interface for it to suck down DUATS data, but that never went anywhere.

                      - Jerry Kaidor ( jerry@tr2.com )

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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 16:55:43 1999
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Subject: Re: Introduction and possible thread
To: linux-aviation@nl.linux.org
Date: Wed, 17 Mar 1999 08:54:41 -0800 (PST)
In-Reply-To: <14062.29914.252408.795548@kenai.me.umn.edu> from "Curtis L. Olson" at Mar 16, 99 09:12:26 am
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Curtis L. Olson wrote:

> I've played around a bit with the Jeppesen flight planning/moving map
> software.  I managed to spot one hideous bug.

*** Another problem with the Jeppesen data in general has to do with 
class D airports, or rather the class D airspace surrouding them.  I have
played with two products using the Jeppesen database, and they both
behave the same:

   Whereas class B and class C airspaces are shown with their actual shapes
and heights, class D are calculated algorithmically - that is, the software
assumes that they are always round, X miles in radius, and
up to 2500 feet AGL.  

   Real class D airspaces are not necessarily any of the above!  Especially 
in a complicated airspace like the SF Bay Area.  My Lowrance Airmap shows
that I am infringing on Palo Alto's airspace when I know damned well it
doesn't start till that tower over there!  And all the class D's around 
the Bay are truncated in height to clear the overlaying class B or class C.

   It's a pity, because a major potential use of a GPS is to help you thread
the needle getting in and out of a complex airspace like this.

                           - Jerry Kaidor ( jerry@tr2.com )
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 18:22:50 1999
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Subject: Pilot log book software for Linux?
From: amos@gezernet.co.il (Amos Shapira)
Date: Wed, 17 Mar 1999 19:22:51 +0200
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Hi,

I'm a glider pilot (but sometimes take an hour of engined flight
lesson) and the thing I miss the most right now is a good pilot log
book program which I can use under Linux.

The way it would look if I had time to write it would be a Java or
Gnome application which saves its data in XML format, export/import
to/from comma-separated file format and extensive intelligence
(e.g. figure out the cost of a flight from the time, method of launch,
number of seats, who I flew with (instructor vs. a guest vs. a club
member), figure out the data about the aircraft (seats, price, owner,
type) from its designation.  Automatic summery of columns by aircraft
type, flight type, period (last 6 months vs. last 12 months), launch
method etc.

Having a version in Java should help a lot in making this portable -
I'm looking forward to be able to run such a beast on my Psion 5,
portability is also a reason for using XML.

Does anyone know about such a thing, or plan to write one?  I'd love
to write it (and polish my Java, XML and maybe CORBA on the way) but
I lack the time.

Thanks,

--Amos

--Amos Shapira                    | "Of course Australia was marked for
133 Shlomo Ben-Yosef st.          |  glory, for its people had been chosen
Jerusalem 93 805                  |  by the finest judges in England."
ISRAEL       amos@gezernet.co.il  |                     -- Anonymous
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 21:04:46 1999
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From: Jerry Kaidor <jerry@tr2.com>
Message-Id: <199903172104.NAA26736@tr2.com>
Subject: Re: Pilot log book software for Linux?
To: linux-aviation@nl.linux.org
Date: Wed, 17 Mar 1999 13:04:50 -0800 (PST)
In-Reply-To: <199903171722.SAA28838@humbolt.nl.linux.org> from "Amos Shapira" at Mar 17, 99 07:22:51 pm
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Amos Shapira wrote:
> 
> Hi,
> 
> I'm a glider pilot (but sometimes take an hour of engined flight
> lesson) and the thing I miss the most right now is a good pilot log
> book program which I can use under Linux.
> 
*** The only time I really want something like this is when I'm at the 
insurance agent, and she gives me this form asking how many hours I've
put in "this make & model" in the past 90 days, past year, etc.  

                                        -Jerry Kaidor ( jerry@tr2.com )
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 21:11:13 1999
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Subject: Re: Pilot log book software for Linux?
To: linux-aviation@nl.linux.org
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Amos Shapira writes:
>
>Hi,
>
>I'm a glider pilot (but sometimes take an hour of engined flight
>lesson) and the thing I miss the most right now is a good pilot log
>book program which I can use under Linux.
>
>The way it would look if I had time to write it would be a Java or
>Gnome application which saves its data in XML format, export/import
>to/from comma-separated file format and extensive intelligence
>(e.g. figure out the cost of a flight from the time, method of launch,
>number of seats, who I flew with (instructor vs. a guest vs. a club
>member), figure out the data about the aircraft (seats, price, owner,
>type) from its designation.  Automatic summery of columns by aircraft
>type, flight type, period (last 6 months vs. last 12 months), launch
>method etc.
>
>Having a version in Java should help a lot in making this portable -
>I'm looking forward to be able to run such a beast on my Psion 5,
>portability is also a reason for using XML.
>
>Does anyone know about such a thing, or plan to write one?  I'd love
>to write it (and polish my Java, XML and maybe CORBA on the way) but
>I lack the time.
>
>Thanks,
>

Hi Amos,

There is a gtk+ based pilot's logbook program, see:

	ftp://ftp.stampede.org/skibum/gplbp-0.90.tar.gz

I think most power pilots would like the design and find the features
adequate. However, from one glider pilot to another, I found the design
for supporting soaring flights to be sorely lacking. For example, there
is no mechanism for entering release or maximum altitudes. If you have
ever compared plain paper logbooks, you notice that glider and power
logbooks are *very* different.  I think that electronic logbooks that
attempt to support multiple category aircraft should be designed using
different "modes", that use appropriate entry forms for the respective
categories. (I hope my complaints on this are taken as constructive).

There are also a number of spreadsheet based logbooks out there that
work under Linux. One I have not tried, but seen mentioned several
times on USENET can be found at;

	http://home.sprynet.com/~jayschne/

However, I believe this is also designed for powered aircraft. I recall
seeing at least one spreadsheet based logbook for soaring flights.
Unfortunately, I didn't save the reference :^( Let us know if you
turn up anything.

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | Try Linux for Intel x86, because all
  -(*)-   | mailto:jaypee@netcom.com | of the best things in life are free!
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 22:08:12 1999
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From: Jerry Kaidor <jerry@tr2.com>
Message-Id: <199903172208.OAA27000@tr2.com>
Subject: Re: Pilot log book software for Linux?
To: linux-aviation@nl.linux.org
Date: Wed, 17 Mar 1999 14:08:20 -0800 (PST)
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John C. Peterson wrote:
> 
> I think most power pilots would like the design and find the features
> adequate. However, from one glider pilot to another, I found the design
> for supporting soaring flights to be sorely lacking. For example, there
> is no mechanism for entering release or maximum altitudes. If you have
> ever compared plain paper logbooks, you notice that glider and power
> logbooks are *very* different.  I think that electronic logbooks that
> attempt to support multiple category aircraft should be designed using
> different "modes",

*** Modes, ugh.  I know of no quicker way to "bug up" a piece of software.
 I think a better approach would be to have an ascii config file
that specifies what fields are included, and how they are related.  A
sample config file would be included for power pilots, and another for 
glider pilots.  Said config file to be of easily understood form, with
provision for embedded comments, etc.

                              - Jerry Kaidor ( jerry@tr2.com )
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 22:23:12 1999
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Jerry Kaidor wrote:
> 
> John C. Peterson wrote:
> >
> > I think most power pilots would like the design and find the features
> > adequate. However, from one glider pilot to another, I found the design
> > for supporting soaring flights to be sorely lacking. For example, there
> > is no mechanism for entering release or maximum altitudes. If you have
> > ever compared plain paper logbooks, you notice that glider and power
> > logbooks are *very* different.  I think that electronic logbooks that
> > attempt to support multiple category aircraft should be designed using
> > different "modes",
> 
> *** Modes, ugh.  I know of no quicker way to "bug up" a piece of software.
>  I think a better approach would be to have an ascii config file
> that specifies what fields are included, and how they are related.  A
> sample config file would be included for power pilots, and another for
> glider pilots.  Said config file to be of easily understood form, with
> provision for embedded comments, etc.

Oh it's even easier than that...  Using Java and a JDBC driver you can
simply build a program that can dynamicly handle fields in a database
record...  Your program would then be reduced to accepting data for
specific field types for log entries, and producing generic queries to
generate reports...

Then you just supply a default database for the types of log books you
want, and a tool to allow a user to add or remove fields in the records
so they can coustomize things the way they want.

The hard part would making the data entry screens and report screens
look nice, but you could provide a way the user could build custom
reports and entry screens, while providing the basics.  You would just
store the interface code in the database as serilized Java classes...

-= Bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 17 22:32:36 1999
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Is there any way to set this list to digest? I didn't see it in the help
file from nl.linux.org. 

--dan fox
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 09:22:29 1999
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Fox, Dan writes:
>
>Is there any way to set this list to digest? I didn't see it in the help
>file from nl.linux.org. 
>
Dan,

   Under Majordomo, which is used to host this list, the digest form is
actually a different list. In this case, it would be "linux-aviation-digest".
I just checked, and it doesn't seem to exist. I will have to check with
our host, Rik Reil, to see about getting it set up.

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | How many times would you like to
  -(*)-   | mailto:jaypee@netcom.com | reboot Microsoft Windows today?
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 09:30:18 1999
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From: "John C. Peterson" <jaypee@netcom.com>
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Subject: Re: Pilot log book software for Linux?
To: linux-aviation@nl.linux.org
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Bob Deep writes:
>
>Jerry Kaidor wrote:
>> 
>> John C. Peterson wrote:
>> >
>> > I think most power pilots would like the design and find the features
>> > adequate. However, from one glider pilot to another, I found the design
>> > for supporting soaring flights to be sorely lacking. For example, there
>> > is no mechanism for entering release or maximum altitudes. If you have
>> > ever compared plain paper logbooks, you notice that glider and power
>> > logbooks are *very* different.  I think that electronic logbooks that
>> > attempt to support multiple category aircraft should be designed using
>> > different "modes",
>> 
>> *** Modes, ugh.  I know of no quicker way to "bug up" a piece of software.
>>  I think a better approach would be to have an ascii config file
>> that specifies what fields are included, and how they are related.  A
>> sample config file would be included for power pilots, and another for
>> glider pilots.  Said config file to be of easily understood form, with
>> provision for embedded comments, etc.
>
>Oh it's even easier than that...  Using Java and a JDBC driver you can
>simply build a program that can dynamicly handle fields in a database
>record...  Your program would then be reduced to accepting data for
>specific field types for log entries, and producing generic queries to
>generate reports...
>
>Then you just supply a default database for the types of log books you
>want, and a tool to allow a user to add or remove fields in the records
>so they can coustomize things the way they want.
>
>The hard part would making the data entry screens and report screens
>look nice, but you could provide a way the user could build custom
>reports and entry screens, while providing the basics.  You would just
>store the interface code in the database as serilized Java classes...
>

   I like your idea of formulating the problem as a database problem. I'm
not realy convinced you need anything all that compilicated though. Would
something like xmbase-grok be adequate for the job? If I remember right,
it's not that hard to build custom input forms for it. Searching is also
supported....

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | The box said; "requires Windows NT
  -(*)-   | mailto:jaypee@netcom.com | 4.0 or better", so I installed Linux.
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info.
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 15:28:10 1999
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"John C. Peterson" wrote:
> 
> Bob Deep writes:
> >
> >The hard part would making the data entry screens and report screens
> >look nice, but you could provide a way the user could build custom
> >reports and entry screens, while providing the basics.  You would just
> >store the interface code in the database as serilized Java classes...
> >
> 
>    I like your idea of formulating the problem as a database problem. I'm
> not realy convinced you need anything all that compilicated though. Would
> something like xmbase-grok be adequate for the job? If I remember right,
> it's not that hard to build custom input forms for it. Searching is also
> supported....
> 

I don't know about xmbase-grok so I don't know....

I just reciently learned JDBC, and I like it...So right now this new
tool looks like the solution to all my problems (grin).  It is also
Java, so it is portable and not tied to one specific database product...

-= bob=-
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 15:46:53 1999
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Even small hard drives don't like many g's, so using solid state
drives which are immune to vibration appears sensible. Besides of 
PC cards with a few 10 MBytes flash I've seen solutions which emulate 
an EIDE drive ~40 MBytes, which is more than enough to boot up a
usable Linux system. It looks like a small board populated with 
flash chips and has an EIDE (both standard and laptop version) 
port, but I have no idea how expensive that is, and I don't know 
where to look. Has anybody an idea?

I think that hardware from http://corelcomputer.org (
http://netwinder.org ) because of the small footprint and good
price/performance ratio could also be of interest for aviation
applications, though a small notebook looks like the canonical
hardware platform for amateurs.

The MIT wearable group (start looking at http://wearable.org ) has a
number of very compact, relatively inexpensive shock-proof DIY designs 
based on industry standard small-footprint cards some of which even 
come with affordable head-up display. GPS boards cost next to nothing, 
magnetic sensors for heading info should also be possible to find 
(in a pinch, one might whip up something using a Hall sensor, cobble 
together a circuit for signal level adjustment and pipe it into 
audio-in, reading the signal from /dev/dsp), and there are public 
domain GIS solutions including map plotters with GPS input out there. 
If you can hold up an IP connection to the ground with radio modems 
(there are some solutions up to 20 miles range), or via cellular 
modem you can use SpeakFreely for (secure) voice connections to 
the ground, and offer your GPS coordinate or even still video from 
a webcam via a service so that they can be tracked by the ground station.

An even more wacko idea would be putting a corrective optics with a
focus at infinity in front of the linear CCD of a hacked scanner and 
use the thing to acquire high-resolution imaging of below terrain,
streaming the result to a hard drive. The stripes can be later
combined into contiguous imagery. One would perhaps have to mount 
the CCD head onto a gyro-stabilized platform against the vibration, 
though.

It looks as if one can create something very interesting from existing
components with relatively modest investments in hardware. I don't
have the time nor the means to play with this stuff, but perhaps
somebody here has.

Regards,
Eugene Leitl
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 17:06:55 1999
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Subject: Re: flash drives for mobile Linux & stuff
To: linux-aviation@nl.linux.org
Date: Thu, 18 Mar 1999 09:07:04 -0800 (PST)
In-Reply-To: <14064.55928.882226.53319@lrz.uni-muenchen.de> from "Eugene Leitl" at Mar 18, 99 12:28:43 pm
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Eugene Leitl wrote:
> 
> Even small hard drives don't like many g's, so using solid state
> drives which are immune to vibration appears sensible. Besides of 
> PC cards with a few 10 MBytes flash I've seen solutions which emulate 
> an EIDE drive ~40 MBytes, which is more than enough to boot up a
> usable Linux system. It looks like a small board populated with 

*** I just bought a 32-meg Compact Flash card for my digital camera. 
Brand "LexarMedia" - the street price is down to about $80 on these.
64-meg cards are still somewhat pricy, at $180.  But I expect they
will be coming down too.  Bear in mind that these are "Compact Flash"
cards - they are even smaller than PCMCIA cards, with a footprint
the size of a large postage stamp.  Sexy stuff.  

Plugged into my W95 laptop, the CF card  looks just like a disk drive.  I
haven't checked for Linux support of flash cards, but given that Compact
Flash is a public standard, I would be surprised if Linux didn't support it.

   I have personally put together a usable Linux in 20 megs of disk
space.  That included an Xserver and networking.  It did not, however,
include development tools.


                        - Jerry Kaidor ( jerry@tr2.com )
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 17:11:49 1999
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Date: Thu, 18 Mar 1999 11:01:48 -0500 (EST)
From: Matthew.Bastian@NRC.ca
Subject: Re: flash drives for mobile Linux & stuff
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On 18 Mar, Jerry Kaidor wrote:

> Eugene Leitl wrote:
> 
> Plugged into my W95 laptop, the CF card  looks just like a disk drive.  I
> haven't checked for Linux support of flash cards, but given that Compact
> Flash is a public standard, I would be surprised if Linux didn't support it.
> 

Flash card PCMCI cards work fine with Linux. I've been using it to copy
stuff from out digital camera to my laptop. Works great!

-- 
Matthew Bastian
National Research Council of Canada
Institute for Aerospace Research, Bldg U-61
Ottawa, Ontario
Canada, K1A 0R6

613-998-3337
Matthew.Bastian@nrc.ca

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From: "Dr. Robert J. Meier" <robert.meier@fanucrobotics.com>
To: <linux-aviation@nl.linux.org>
Subject: Electronic pilot log book concerns
Date: Thu, 18 Mar 1999 13:42:22 -0500
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Flyers,

> Does anyone know about such a thing, or plan to write one?  I'd love
> to write it (and polish my Java, XML and maybe CORBA on the way) but
> I lack the time.

	I've been watching the thread with interest.  A few concerns
have kept me from using an electronic log in the past.  Are there
existing solutions to these concerns?  How could they be solved in
a new linux product?

	How do you handle endorsements?
		(The U.S. Federal Aviation Administration requires
		signatures in a "permanent record" for periodic
		proficiency testing.  e.g. BFRs, ICCs)
	How do you show it to an instructor or examiner?
		(The endorsements are examined by each new instructor
		or examiner for the above tests as well as rating
		tests.)
	How do you conveniently update it when you are away from home?
		(I don't own a laptop, and like to update my log
		as soon as I get to my destination hotel before I
		begin days of concentration on the business reasons
		for the trip.)

	I currently use small (~10x20cm) paper log books.
I keep my old logs in a safe place, and carry my current (4th)
log book with me.  Occassionally when I have to fill in forms, I
wish I had electronic search and compilation.

Thank you,

Bob

P.S. I collect verses of the following song,

Bless 'em all, Bless 'em all.
The long, and the short, and the tall.

Bless the mechanics who work on the wings.
One day they might learn to fix the darn things.
If the engine should happen to stall,
We're in for a heck of a fall.

So squawk sheets and placards, of ADs and SBs,
Come on along, Bless 'em all.

Bless 'em all, Bless 'em all.
The long, and the short, and the tall.

Bless the controllers whose guidance is deft.
One day, they might learn their right from their left.
And if ever the radio quits,
We're listening to rock and roll hits.

So contact the tower, and cleared to continue,
Come on along, Bless 'em all.


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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 19:59:44 1999
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"Dr. Robert J. Meier" wrote:
> 
> Flyers,
> 
> > Does anyone know about such a thing, or plan to write one?  I'd love
> > to write it (and polish my Java, XML and maybe CORBA on the way) but
> > I lack the time.
> 
>         I've been watching the thread with interest.  A few concerns
> have kept me from using an electronic log in the past.  Are there
> existing solutions to these concerns?  How could they be solved in
> a new linux product?
> 
>         How do you handle endorsements?
>                 (The U.S. Federal Aviation Administration requires
>                 signatures in a "permanent record" for periodic
>                 proficiency testing.  e.g. BFRs, ICCs)

Hmmm... I wonder what the FAA would accept...  I guess, that worst case,
you have a seperate log book with the signatures and ID's and you would
then just enter the data into the electronic version of the log book. 
Then when you needed to show signature proof of something, you would
just produce this hard copy signiture log...

IF you had a scanner, you could also scan the image of the log entry and
store it with the log records in your database for future review and
reporting.

>         How do you show it to an instructor or examiner?
>                 (The endorsements are examined by each new instructor
>                 or examiner for the above tests as well as rating
>                 tests.)

Well, If you had it scanned, you could just print a copy and show it..
If not you could produce the hard copy records.

>         How do you conveniently update it when you are away from home?
>                 (I don't own a laptop, and like to update my log
>                 as soon as I get to my destination hotel before I
>                 begin days of concentration on the business reasons
>                 for the trip.)

In this case, you would have to transfer the data to the electronic
version when you got home, so I suppose you would have to write it down
on some form, then when you arrive home, enter the data.  I suppose you
could, if you had e-mail access somehow, manage to fit an e-mail front
end to import log entries from there, but if you don't have a lap top,
you don't likely have e-mail, ftp, or even web access.

> 
>         I currently use small (~10x20cm) paper log books.
> I keep my old logs in a safe place, and carry my current (4th)
> log book with me.  Occassionally when I have to fill in forms, I
> wish I had electronic search and compilation.

For you the question would be... "Is it worth it?"  Even the best log
program in the world would be worthless unless you want to take the time
to do the data entry....  For those of us who travel with lap tops
packed in the back (or front) seats of the 172 this is not as much of a
problem.  But it seems you have a very good habbit using the sytem you
now use, so you might want to stick with it...

-= bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 23:39:32 1999
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Paralyzing yourselves by worrying about liability is never going to get
anyone anywhere.  It just causes innovation to cease.  Do consider how
flaky Microsoft's products are and how many people depend on them (I know,
it isn't quite the same thing) but people seem to accept flaky software as
a normal, everyday fact of life and it is interesting that there aren't
more suits against Microsoft.

Don't sweat it.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 18 23:39:35 1999
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To: linux-aviation@nl.linux.org
From: Brian Lloyd <brian@lloyd.com>
Subject: Re: flash drives for mobile Linux & stuff
In-Reply-To: <14064.55928.882226.53319@lrz.uni-muenchen.de>
References: <199903180830.AAA01603@netcom18.netcom.com>
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At 12:28 PM 3/18/99 +0100, you wrote:
>The MIT wearable group (start looking at http://wearable.org ) has a
>number of very compact, relatively inexpensive shock-proof DIY designs 
>based on industry standard small-footprint cards some of which even 
>come with affordable head-up display. 

Well, they don't come with anything since you have to build the system
yourself.  If you are looking for a wearable based on COTS components, see
http://www.liquidimage.com and http://www.flexipc.com/Webpages/index.html.
This seems to be what is real right now.  

I also believe that rotating media will probably work if you mount it on
your person.  The human body is a pretty good shock absorber and you are
probably going to protect yourself from discomfort which therefore protects
the rotating media.  Using flash as boot media might be a good idea tho'.

>GPS boards cost next to nothing, 
>magnetic sensors for heading info should also be possible to find 
>(in a pinch, one might whip up something using a Hall sensor, cobble 
>together a circuit for signal level adjustment and pipe it into 
>audio-in, reading the signal from /dev/dsp), and there are public 
>domain GIS solutions including map plotters with GPS input out there. 

Well, which is more important to you, magnetic heading or magnetic course
(track)?  If you are going somewhere, course is probably more useful and it
comes out of your GPS so you don't need to mess about with flux gates.

>If you can hold up an IP connection to the ground with radio modems 
>(there are some solutions up to 20 miles range), or via cellular 
>modem you can use SpeakFreely for (secure) voice connections to 
>the ground, and offer your GPS coordinate or even still video from 
>a webcam via a service so that they can be tracked by the ground station.

If you are looking for a relatively long-range data link, it is difficult
to be amateur packet radio.  Get your ham license and running a 9600 bps
half-duplex data link is also a COTS proposition.  You could even add in a
link to the Internet if you were so inclined.  Broadcasting position and
altitude could be fairly interesting to play with.

At this point I am thinking about using my hopefull-soon-to-arrive wearable
computer with head-mounted display (HMD, not a HUD) to display useful
information from my GPS, air data computer, and engine monitor.  I think
that it would be useful to always have AoA, airspeed, G loading, ground
track, engine warnings, etc., always in my field of view, even if I am
looking back over my shoulder at a target I have just passed while doing ACM.

>An even more wacko idea would be putting a corrective optics with a
>focus at infinity in front of the linear CCD of a hacked scanner and 
>use the thing to acquire high-resolution imaging of below terrain,
>streaming the result to a hard drive. The stripes can be later
>combined into contiguous imagery. One would perhaps have to mount 
>the CCD head onto a gyro-stabilized platform against the vibration, 
>though.

Jeppesen has terrain info available with sufficient detail to allow you to
add terrain info into your map or synthesized forward view.  Call up
Jeppesen and, for about $100, they will send you a sample of their full
database.  That makes it possible to write code to process their data
without having to subscribe up front.  It is certainly easier than trying
to collect the terrain info yourself.  There is already enough work to do.
No need to create more.

>It looks as if one can create something very interesting from existing
>components with relatively modest investments in hardware. I don't
>have the time nor the means to play with this stuff, but perhaps
>somebody here has.

Already doing it.  My LiquidImage M-1 and ViA-II haven't arrived yet (8
week lead time) but I am already thinking about this.  Oh yeah, and I plan
to run Linux on this thing.  

BTW, does anyone know of any reasonable speech recognition software that
runs on Linux?  I don't think that a keyboard will be too useful in the
cockpit.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 19 02:41:41 1999
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   I wanted to start a separate thread that is somewhat related to
the previous discussion about collating weather data available from the
Internet for preflight planning.  I'm not sure how many glider pilots
there are on the list yet, but let me also throw out some thoughts
about another pet project I have been fiddling with lately, namely
constructing your own Soaring Forecasts from Internet data.

   Over the last year or two, I've noticed that the amount of quality
weather data available over the net (forecasts and observations) that
are suitable for preparing your own Soaring Forecasts has really grown.
Some of you may be familiar with Kevin Ford's Thermal Index Calculator,
and for some areas (like Southern California) the NWS now provides a
web based "ready to go" soaring forecast that is updated twice a day.
In our area, the state water district even has some real time stations
that can provide temperature, wind speed and direction.

   One of my pet gripes about web based information is that the process
of "surfing" for information is really pretty time consuming and in
general not very constructive. I'm much more interested in software
that "works for me" not the other way around.

   So here's my basic idea: write a script that you run from crontab
on a regular basis (say twice a day) that grabs the information and
formulates a Soaring forecast of it's own (say thermal, ridge and wave
forecasts). The script then compares the forecast conditions against some
user configurable threshold, and if things look like they are going to be
"booming" that day, it sends you an alert by e-mail: "Drop what you are
doing, and get your ass out to the gliderport!"

   It's actually not that hard to implement, in fact I've already cobbled
together a working version, though it's perhaps not polished enough for
general release.  There are several command line URL "grabbers" (like
curl, wget, or lynx with -dump) that can be used to fetch the pages. Now
comes the slightly messy part: parsing the information from the pages. My
current implementation uses tools like awk, sed, etc.  It works fine, but
I'm not real satisfied with this approach.

    This is an area where I would appreciate some of your thoughts.  I'm
well versed in all the string manipulation tools and languages; awk, sed,
tcl, perl, icon, etc. However, it would be nice if this problem could be
implemented in a manner that doesn't require the user to be an experienced
programmer to set it up. There's another issue as well.  You can bet that
the format of the pages will change every so often, so implementations
that are more complex will be a bigger pain in the rear to maintain.
Are there any efforts out there to create a user friendly (e.g. usable
by non tcl, perl hackers) software package for extracting information
from formatted documents????

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | Installing Micro$oft Windows on a PC is
  -(*)-   | mailto:jaypee@netcom.com | like putting wagon wheels on a Porsche!
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info.
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 19 03:13:29 1999
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Date: 18 Mar 99 17:28:07 -0500
From: ashw@lr.net (Ash R. J. Wyllie)
Subject: Re: Electronic pilot log book concerns
To: "Dr. Robert J. Meier" <linux-aviation@nl.linux.org>
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Excerpted from the mind of Dr. Robert J. Meier;


>Flyers,

>> Does anyone know about such a thing, or plan to write one?  I'd love
>> to write it (and polish my Java, XML and maybe CORBA on the way) but
>> I lack the time.

>       I've been watching the thread with interest.  A few concerns
>have kept me from using an electronic log in the past.  Are there
>existing solutions to these concerns?  How could they be solved in
>a new linux product?

>       How do you handle endorsements?
>               (The U.S. Federal Aviation Administration requires
>               signatures in a "permanent record" for periodic
>               proficiency testing.  e.g. BFRs, ICCs)
>       How do you show it to an instructor or examiner?
>               (The endorsements are examined by each new instructor
>               or examiner for the above tests as well as rating
>               tests.)
>       How do you conveniently update it when you are away from home?
>               (I don't own a laptop, and like to update my log
>               as soon as I get to my destination hotel before I
>               begin days of concentration on the business reasons
>               for the trip.)

>       I currently use small (~10x20cm) paper log books.
>I keep my old logs in a safe place, and carry my current (4th)
>log book with me.  Occassionally when I have to fill in forms, I
>wish I had electronic search and compilation.

>Thank you,

>Bob

I suspect that you'll always need to keep a paper log. I do, but I also use a
regular database program to keep track of flight times. Endorsments and other
paper work are held in my log book. It's about the only legal way. 

I was going to write an Arexx script to do currency stuff, but the feds
changed the rules...


                          -ash
                         (Paging Peter LaNague)

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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 19 09:20:34 1999
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On Thu, 18 Mar 1999, Brian Lloyd wrote:

> I also believe that rotating media will probably work if you mount it on
> your person.  The human body is a pretty good shock absorber ...

<snip>

My discman doesn't seem to think so...

Groeten,				- Jacco

--
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Brian Lloyd wrote:
> 
> Paralyzing yourselves by worrying about liability is never going to get
> anyone anywhere.  It just causes innovation to cease.  Do consider how
> flaky Microsoft's products are and how many people depend on them (I know,
> it isn't quite the same thing) but people seem to accept flaky software as
> a normal, everyday fact of life and it is interesting that there aren't
> more suits against Microsoft.
> 
> Don't sweat it.
> 
> Brian Lloyd                                    Lucent Technologies
> brian@lloyd.com                                3461 Robin Lane, Suite 1
> http://www.livingston.com                      Cameron Park, CA  95682
> +1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-
> 
	I entirely agree, a certain amount of sensible caution is required, but
that should not stop the search for good tools. If you go to download
the databases for the US, there is a huge warning splattered across the
top as to useability, but I'm sure one day ther will be improved and
tested to the point where every aspect will be factually correct.
	Microsoft stuff that crashes, burns or goes senile, yeah!, It DOES
THAT!, just REBOOT.
Regards
-- 
... Sid Boyce...Amdahl(Europe)...44-121 422 0375 
Any opinions expressed above are mine and do not necessarily represent
 the opinions or policies of Amdahl Corporation.
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 19 14:54:23 1999
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Brian Lloyd wrote:
...
> yourself.  If you are looking for a wearable based on COTS components, see
> http://www.liquidimage.com and http://www.flexipc.com/Webpages/index.html.
> This seems to be what is real right now.
Which link on the http://www.liquidimage.com should one follow to see
info on a wearable based on COTS components?  

--Michael
"This is an informal communication."
-- 
Michael B. Callaham, Sc.D.           mcallaha@mitre.org      |    
The MITRE Corporation               (703) 883-5596 voice  -+-o-+-        
1820 Dolley Madison Blvd., MS W281           -5583 fax     CAASD   
McLean, VA  22102-3481

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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 19 16:10:12 1999
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Brian Lloyd writes:

 > Well, they don't come with anything since you have to build the system
 > yourself.  If you are looking for a wearable based on COTS components, see

Of course, that the cheapest way to do it!
 
 > Well, which is more important to you, magnetic heading or magnetic course
 > (track)?  If you are going somewhere, course is probably more useful and it
 > comes out of your GPS so you don't need to mess about with flux gates.
 
I know, but unless you use DGPS it's unreliable at low velocities. At
least when you're rolling or standing still you'd see the map rotate 
unmotivatedly, which is annoying.
 
 
 > to collect the terrain info yourself.  There is already enough work to do.
 > No need to create more.
 
That's why I said it was wacko. You can purchase satellite maps with
really decent resolution as well.
 
 > BTW, does anyone know of any reasonable speech recognition software that

I could mention ears, but you said 'reasonable' ;) Speech synthesis
solutions are very well done, though.

 > runs on Linux?  I don't think that a keyboard will be too useful in the
 > cockpit.

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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 19 16:54:30 1999
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Has anyone seen anyprices for IBM's new flash-card size 340MB HD?  It's
designed for use in cameras, etc., so it should have good shock absorbtion,
and 340MB is a lot of data for a wearable.

j----- k-----

At 09:20 AM 3/19/99 +0100, you wrote:
>On Thu, 18 Mar 1999, Brian Lloyd wrote:
>
>> I also believe that rotating media will probably work if you mount it on
>> your person.  The human body is a pretty good shock absorber ...
>
><snip>
>
>My discman doesn't seem to think so...
>
>Groeten,				- Jacco
>
>--
>Think about it:               | In Real Life: Jacco van Schaik
>If the wheel had never been   | Mail me at:   jacco@nlr.nl
>reinvented, we'd still be     | Spam bait:    postmaster@localhost
>driving on logs...            | See also http://www.nlr.nl/NARSIM.html
>
>-
>Archives of linux-aviation: http://mail.nl.linux.org/lists/linux-aviation/
>To unsubscribe: send the command "unsubscribe linux-aviation" in the body
>of a mail message to <Majordomo@mail.nl.linux.org>.
>
>
Joshua Kugler
Computer Technician
Hunt Foods Co.
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 22 16:56:08 1999
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Hi,

I've now set up digesting (I hope), but have no idea
whether a digest will be made or not...

Rik -- Open Source: you deserve to be in control of your data.
+-------------------------------------------------------------------+
| Linux Memory Management site:  http://humbolt.geo.uu.nl/Linux-MM/ |
| Nederlandse Linux documentatie:          http://www.nl.linux.org/ |
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 22 17:10:17 1999
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Well, I can report that it is possible to subscribe to linux-aviation-digest
at majordomo.nl.linux.org. I'll stay subbed here until I get one or 2
digests. 

Rik, thanks much for all your work. 

--dan fox

> ----------
> From: 	Rik van Riel[SMTP:riel@nl.linux.org]
> Reply To: 	linux-aviation@nl.linux.org
> Sent: 	Monday, March 22, 1999 3:55 PM
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> 
> Hi,
> 
> I've now set up digesting (I hope), but have no idea
> whether a digest will be made or not...
> 
> Rik -- Open Source: you deserve to be in control of your data.
> +-------------------------------------------------------------------+
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> +-------------------------------------------------------------------+
> 
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please ignore

Rik -- Open Source: you deserve to be in control of your data.
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 22 23:37:05 1999
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Hi,

following up to the spam messages we got on the lists
today, I have installed and activated the RBL spam
filtering system. It's not perfect, but it should
catch some of the spam...

Rik -- Open Source: you deserve to be in control of your data.
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Date: Mon, 22 Mar 1999 15:52:39 -0800
To: linux-aviation@nl.linux.org
From: Brian Lloyd <brian@lloyd.com>
Subject: Re: flash drives for mobile Linux & stuff
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At 07:50 AM 3/19/99 -0800, you wrote:
>Has anyone seen anyprices for IBM's new flash-card size 340MB HD?  It's
>designed for use in cameras, etc., so it should have good shock absorbtion,
>and 340MB is a lot of data for a wearable.

Well, I went ahead and ordered a ViA-II from Liquid Image along with their
M-1 display.  BTW, it comes with a 3.4GB internal HD.  They seem to be
having good luck with the drive that they use.  We'll see if it works out
in the air.

Since I was in Minneapolis for the IETF meeting and I was flying my own
plane, I took the opportunity to visit VIA, Inc., and meet the people who
make the ViA-II.  I was quite impressed.  It is a bit pricy but, by the
time you get all the PC-104 boards together to do the same thing and then
get them packaged so you can wear them, I bet the ViA-II will begin to look
pretty reasonable.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 23 00:56:12 1999
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Date: Mon, 22 Mar 1999 15:48:42 -0800
To: linux-aviation@nl.linux.org
From: Brian Lloyd <brian@lloyd.com>
Subject: Re: flash drives for mobile Linux & stuff
In-Reply-To: <14066.26344.705814.332077@lrz.uni-muenchen.de>
References: <3.0.6.32.19990318141521.0099b760@127.0.0.1>
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At 04:06 PM 3/19/99 +0100, you wrote:
>Brian Lloyd writes:
>
> > Well, they don't come with anything since you have to build the system
> > yourself.  If you are looking for a wearable based on COTS components, see
>
>Of course, that the cheapest way to do it!
> 
> > Well, which is more important to you, magnetic heading or magnetic course
> > (track)?  If you are going somewhere, course is probably more useful
and it
> > comes out of your GPS so you don't need to mess about with flux gates.
> 
>I know, but unless you use DGPS it's unreliable at low velocities. At
>least when you're rolling or standing still you'd see the map rotate 
>unmotivatedly, which is annoying.

Most GPS receivers damp their heading output for that reason if you are
moving so slowly that the track is swamped by SA "noise."

> > to collect the terrain info yourself.  There is already enough work to do.
> > No need to create more.
> 
>That's why I said it was wacko. You can purchase satellite maps with
>really decent resolution as well.
> 
> > BTW, does anyone know of any reasonable speech recognition software that
>
>I could mention ears, but you said 'reasonable' ;) Speech synthesis
>solutions are very well done, though.

I take speech synthesis for granted these days.  No, I really need pointers
to speech recognition software that runs on Linux.  I will even dispense
with the term "reasonable" if it will get me more pointers.  Thanks.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 23 00:56:16 1999
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Date: Mon, 22 Mar 1999 15:45:12 -0800
To: linux-aviation@nl.linux.org
From: Brian Lloyd <brian@lloyd.com>
Subject: Re: flash drives for mobile Linux & stuff
In-Reply-To: <36F2563F.3076B9D8@mitre.org>
References: <199903180830.AAA01603@netcom18.netcom.com>
 <36F01D09.6D61F634@cssgroup.com>
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At 08:50 AM 3/19/99 -0500, you wrote:
>Brian Lloyd wrote:
>...
>> yourself.  If you are looking for a wearable based on COTS components, see
>> http://www.liquidimage.com and http://www.flexipc.com/Webpages/index.html.
>> This seems to be what is real right now.
>
>Which link on the http://www.liquidimage.com should one follow to see
>info on a wearable based on COTS components?  

Click on the graphic at the top of the page that offers "a Free M-1
Display".  Basically if you buy the ViA-II wearable computer from them,
they include one of their M-1 head-mounted displays gratis.  I talked with
them and they are very flexible.  Seems that they will cusomize their small
interface box to bring out any of the signals on the ViA's 60-pin
docking-bay connector that you might want.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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From owner-linux-aviation@humbolt.nl.linux.org  Tue Mar 23 01:13:46 1999
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Date: Mon, 22 Mar 1999 16:12:51 -0800
To: linux-aviation@nl.linux.org
From: "Joshua J. Kugler" <jkugler@inreach.com>
Subject: Re: flash drives for mobile Linux & stuff
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There is a program called kvoicecontrol that is part of the KDE project.
It is for command entry.  Never used it, you might want to check it out.

You can find it at:

http://www.kde.org/applications.html

j----- k-----

At 03:48 PM 3/22/99 -0800, you wrote:
>At 04:06 PM 3/19/99 +0100, you wrote:
>>Brian Lloyd writes:
>>
>> > Well, they don't come with anything since you have to build the system
>> > yourself.  If you are looking for a wearable based on COTS components,
see
>>
>>Of course, that the cheapest way to do it!
>> 
>> > Well, which is more important to you, magnetic heading or magnetic course
>> > (track)?  If you are going somewhere, course is probably more useful
>and it
>> > comes out of your GPS so you don't need to mess about with flux gates.
>> 
>>I know, but unless you use DGPS it's unreliable at low velocities. At
>>least when you're rolling or standing still you'd see the map rotate 
>>unmotivatedly, which is annoying.
>
>Most GPS receivers damp their heading output for that reason if you are
>moving so slowly that the track is swamped by SA "noise."
>
>> > to collect the terrain info yourself.  There is already enough work to
do.
>> > No need to create more.
>> 
>>That's why I said it was wacko. You can purchase satellite maps with
>>really decent resolution as well.
>> 
>> > BTW, does anyone know of any reasonable speech recognition software that
>>
>>I could mention ears, but you said 'reasonable' ;) Speech synthesis
>>solutions are very well done, though.
>
>I take speech synthesis for granted these days.  No, I really need pointers
>to speech recognition software that runs on Linux.  I will even dispense
>with the term "reasonable" if it will get me more pointers.  Thanks.
>
>
>Brian Lloyd                                    Lucent Technologies
>brian@lloyd.com                                3461 Robin Lane, Suite 1
>http://www.livingston.com                      Cameron Park, CA  95682
>+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-
>
>-
>Archives of linux-aviation: http://mail.nl.linux.org/lists/linux-aviation/
>To unsubscribe: send the command "unsubscribe linux-aviation" in the body
>of a mail message to <Majordomo@mail.nl.linux.org>.
>
>
Joshua Kugler
Computer Technician
Hunt Foods Co.
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 24 23:33:21 1999
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Date: Wed, 24 Mar 1999 14:32:36 -0800
From: John Peterson <jaypee@netcom.com>
To: linux-aviation@humbolt.nl.linux.org
Subject: Airport and Navaid data for countries other than the US?
Message-ID: <19990324143236.A21401@netcom6.netcom.com>
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   I've been getting inquiries from users that live outside of the USA
if there are any plans for providing fplan compatible databases (airport
and navaid) for areas outside the USA. The answer is yes, but I'm
beginning to wonder if it will be possible.

   Just to set the record straight, the fplan airport and navaid database
for the USA is derived from the database from the National Flight Data
Center. I've seen other FAA databases, but to the best of my knowledge,
the NFDC is the best bet (they are given as the point of contact for
reporting errors. For example, see the inside of the front cover of one
of the green colored Airport, Facility Guide). The NFDC web site is at

	http://www.tgf.tc.faa.gov/nfdc/index.html

   I was under the impression that the ICAO (International Civil
Aviation Organization) distributed airport and navaid data for other
countries. However, I have surfed all through their web site and have
not found anything.  I know you can buy it from Jeppesen and other
vendors, but I'd be willing to bet my pilot certificate that one can't
legally redistribute that data. It might be legal for someone who has
purchased the data to use it with other software packages such as
fplan. (If anyone has a copy of such a license agreement, please let us
know). But, this would be an expensive proposition for users, and it's
highly likely you wouldn't get ANY help from the vendors in the way of
information needed to read it. I would prefer a public domain source
for this information, but I'm beginning to get discouraged.  Any
ideas????

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | The box said; "requires Windows NT
  -(*)-   | mailto:jaypee@netcom.com | 4.0 or better", so I installed Linux.
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info.
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 24 23:45:31 1999
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From: Rob Prior <RPrior@creo.com>
To: "'linux-aviation@nl.linux.org'" <linux-aviation@nl.linux.org>
Subject: RE: Airport and Navaid data for countries other than the US?
Date: Wed, 24 Mar 1999 14:46:03 -0800
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Here's a site in Canada where a small group of people got together to punch
in the data from the Canadian Flight Supplement.  Included are Latitude,
Longitude, Airport Name, Airport Identifier, and (I think) Airport
Elevation.  No radio information, sorry.  Maybe in some future push... 8-)

http://ardsley.ivey.uwo.ca/cfs/

Since the data was copied from the CFS by hand, i'm not sure if there are
any copyright considerations in redistributing it... It would certainly be
next to impossible to prove the origin of the info, though.

It's been a while since I looked at the raw database, so i'm not sure if
they have navaid information as well in there.  I just downloaded the local
airports into my GPS-III and started flying... 8-)

Blue Skies,
Rob Prior, PPSEL
rprior@creo.com

-----Original Message-----
From: John Peterson [mailto:jaypee@netcom.com]
Sent: Wednesday, March 24, 1999 2:33 PM
To: linux-aviation@humbolt.nl.linux.org
Subject: Airport and Navaid data for countries other than the US?

   I've been getting inquiries from users that live outside of the USA
if there are any plans for providing fplan compatible databases (airport
and navaid) for areas outside the USA. The answer is yes, but I'm
beginning to wonder if it will be possible.

   Just to set the record straight, the fplan airport and navaid database
for the USA is derived from the database from the National Flight Data
Center. I've seen other FAA databases, but to the best of my knowledge,
the NFDC is the best bet (they are given as the point of contact for
reporting errors. For example, see the inside of the front cover of one
of the green colored Airport, Facility Guide). The NFDC web site is at

	http://www.tgf.tc.faa.gov/nfdc/index.html

   I was under the impression that the ICAO (International Civil
Aviation Organization) distributed airport and navaid data for other
countries. However, I have surfed all through their web site and have
not found anything.  I know you can buy it from Jeppesen and other
vendors, but I'd be willing to bet my pilot certificate that one can't
legally redistribute that data. It might be legal for someone who has
purchased the data to use it with other software packages such as
fplan. (If anyone has a copy of such a license agreement, please let us
know). But, this would be an expensive proposition for users, and it's
highly likely you wouldn't get ANY help from the vendors in the way of
information needed to read it. I would prefer a public domain source
for this information, but I'm beginning to get discouraged.  Any
ideas????

Best Regards, John

-- 
 ___|___  | John C. Peterson, KD6EKQ | The box said; "requires Windows NT
  -(*)-   | mailto:jaypee@netcom.com | 4.0 or better", so I installed Linux.
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info.
-
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John Peterson wrote:
> 
>    I've been getting inquiries from users that live outside of the USA
> if there are any plans for providing fplan compatible databases (airport
> and navaid) for areas outside the USA. The answer is yes, but I'm
> beginning to wonder if it will be possible.
>
	There is nothing available to download as far as I know, I've searched
extensively. Looking at the World file the author of "icao" generated
for Germany, it would be a major task to write such files and maintain
them.
	One of our club members had his Garmin GPS90 reprogrammed to include a
database for France in addition to the standard UK database that comes
pre-installed. I know he sent it away to be done, but I shall have to
check to find out if the databases can be purchased and what format they
may be in. I have never seen anything other than plug-ins for Flight-Sim
advertised, whether they are in readable format or no I have yet to find
out.

	I tried to get gpsd up and running, but it didn't understand what a
GPS90 was and I never got back to playing with it. I was wondering if
gpsd/gpsclient could be used to suck the databases down to Linux or
whether it could only get at programmed-in route information for
download and upload. 
Regards
--------<stuff deleted>---------------
-- 
... Sid Boyce (G3VBV)...Amdahl(Europe)...44-121 422 0375 
Any opinions expressed above are mine and do not necessarily represent
 the opinions or policies of Amdahl Corporation.
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 25 11:07:09 1999
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John Peterson wrote:
> 
>    I've been getting inquiries from users that live outside of the USA
> if there are any plans for providing fplan compatible databases (airport
> and navaid) for areas outside the USA. The answer is yes, but I'm
> beginning to wonder if it will be possible.
>
	There is nothing available to download as far as I know, I've searched
extensively. Looking at the World file the author of "icao" generated
for Germany, it would be a major task to write such files and maintain
them.
	One of our club members had his Garmin GPS90 reprogrammed to include a
database for France in addition to the standard UK database that comes
pre-installed. I know he sent it away to be done, but I shall have to
check to find out if the databases can be purchased and what format they
may be in. I have never seen anything other than plug-ins for Flight-Sim
advertised, whether they are in readable format or no I have yet to find
out.

	I tried to get gpsd up and running, but it didn't understand what a
GPS90 was and I never got back to playing with it. I was wondering if
gpsd/gpsclient could be used to suck the databases down to Linux or
whether it could only get at programmed-in route information for
download and upload. 
Regards
--------<stuff deleted>---------------
-- 
... Sid Boyce (G3VBV)...Amdahl(Europe)...44-121 422 0375 
Any opinions expressed above are mine and do not necessarily represent
 the opinions or policies of Amdahl Corporation.
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 25 14:53:49 1999
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From: "Keith Brown" <bahalana@wt.net>
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Subject: Re: Airport and Navaid data for countries other than the US?
Date: Thu, 25 Mar 1999 07:46:08 -0600
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>   Just to set the record straight, the fplan airport and navaid database
>for the USA is derived from the database from the National Flight Data
>Center. I've seen other FAA databases, but to the best of my knowledge,
>the NFDC is the best bet (they are given as the point of contact for
>reporting errors. For example, see the inside of the front cover of one
>of the green colored Airport, Facility Guide). The NFDC web site is at
>
> http://www.tgf.tc.faa.gov/nfdc/index.html

This is *not* the NFDC website, and the data is almost a year out of date.
This is an FAA research facility website that uses NFDC data for simulations
and they make the data available on the site, but it isn't complete or
current. NFDC and/or NASA *used* to have plans to offer current data on
line, but they shelved it. AFAIK, NFDC only supplies the data on 9-track
magnetic tape and you have to pay for it. Also, you have to either find a
friend with a mainframe :-) or pay someone to transfer the data from the
tape to media you can use. You might want to check with Paul Santos, the
webmaster at
http://www.airnav.com
He somehow gets the current data and puts it in a searchable database on the
site. Ask him how he gets the data.

>   I was under the impression that the ICAO (International Civil
>Aviation Organization) distributed airport and navaid data for other
>countries. However, I have surfed all through their web site and have
>not found anything.

ICAO is a standards organization and not regulatory. Membership is
voluntary, and it's up to the individual national agencies to regulate and
enforce standards within their airspace and distribute system information to
the user or third-party publishers.

>I know you can buy it from Jeppesen and other
>vendors, but I'd be willing to bet my pilot certificate that one can't
>legally redistribute that data. It might be legal for someone who has
>purchased the data to use it with other software packages such as
>fplan. (If anyone has a copy of such a license agreement, please let us
>know). But, this would be an expensive proposition for users, and it's
>highly likely you wouldn't get ANY help from the vendors in the way of
>information needed to read it. I would prefer a public domain source
>for this information, but I'm beginning to get discouraged.  Any
>ideas????

IMHO, you're out of luck. Think about the massive amount of data involved
and the effort required to keep it correct and up to date. You're just not
going to get that for free. If you wanted to write a flight planner that
uses Jeppesen for example, you have two choices:

a) write a commercial product and get a license deal to use NavData, which
of course means including this cost in the price of the product
b) write a free product and somehow wrangle a deal from Jeppesen to make
NavData available to users of the program on a subscription basis (of course
you'd have to get them to give you a sample to develop with in the meantime)

In fact now that I think about it, a variation on b) might not be a bad
idea. Linux is worldwide, Jeppesen NavData does cover much of the world
doesn't it? If someone were to get an opensource (tm) company together to
develop flight planning and/or moving map type stuff for Linux, they could
give away the software which allows the user to input his own data, but
charge for data which they distribute on CD-ROMS burned from data recieved
from Jeppesen. That way, all Jeppesen has to do is provide one copy of the
data and enter into a royalty agreement with the company allowing them to
resell the data. Jeppesen is happy because they've got a new source of
revenue, the software company is happy because they're making money as the
only player in a rapidly growing market, and the user gets *much* cheaper
(and reliable) software, since he is only paying for the data, and then only
if he wants to.


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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 25 14:59:30 1999
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Hi,

there was a bit of config trouble with the digest,
but I think I may have solved it now. This message
should trigger the digest...

Rik -- Open Source: you deserve to be in control of your data.
+-------------------------------------------------------------------+
| Linux Memory Management site:  http://humbolt.geo.uu.nl/Linux-MM/ |
| Nederlandse Linux documentatie:          http://www.nl.linux.org/ |
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 25 16:10:49 1999
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Keith Brown writes:
> IMHO, you're out of luck. Think about the massive amount of data involved
> and the effort required to keep it correct and up to date. You're just not
> going to get that for free. If you wanted to write a flight planner that
> uses Jeppesen for example, you have two choices:
>
> a) write a commercial product and get a license deal to use NavData,
>    which of course means including this cost in the price of the
>    product
> b) write a free product and somehow wrangle a deal from
>    Jeppesen to make NavData available to users of the program on a
>    subscription basis (of course you'd have to get them to give you a
>    sample to develop with in the meantime)

Here's a possible c) Note this data is being continually added to and
updated, but the data sources are sometimes dubious so it is
definitely for simulation purposes and not for real flight planning.

Ummmm, hmmmm, I can't find the url at this second.  If someone's
actually interested I can look harder and/or email a recent copy.

Curt.
--
Curtis Olson                        University of MN, ME Dept.
curt@me.umn.edu
http://www.menet.umn.edu/~curt      Try Linux!

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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 25 17:12:38 1999
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At 07:46 AM 3/25/99 -0600, you wrote:
>Jeppesen is happy because they've got a new source of
>revenue, the software company is happy because they're making money as the
>only player in a rapidly growing market, and the user gets *much* cheaper
>(and reliable) software, since he is only paying for the data, and then only
>if he wants to.

I LIKE it, I LIKE it! :)

j----- k-----
Joshua Kugler
Computer Technician
Hunt Foods Co.
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 25 20:12:12 1999
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From: John Peterson <jaypee@netcom.com>
To: linux-aviation@nl.linux.org
Subject: Re: Airport and Navaid data for countries other than the US?
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On Thu, Mar 25, 1999 at 07:46:08AM -0600, Keith Brown wrote:
> >   Just to set the record straight, the fplan airport and navaid database
> >for the USA is derived from the database from the National Flight Data
> >Center. I've seen other FAA databases, but to the best of my knowledge,
> >the NFDC is the best bet (they are given as the point of contact for
> >reporting errors. For example, see the inside of the front cover of one
> >of the green colored Airport, Facility Guide). The NFDC web site is at
> >
> > http://www.tgf.tc.faa.gov/nfdc/index.html
> 
> This is *not* the NFDC website, and the data is almost a year out of date.
> This is an FAA research facility website that uses NFDC data for simulations
> and they make the data available on the site, but it isn't complete or
> current. NFDC and/or NASA *used* to have plans to offer current data on
> line, but they shelved it. AFAIK, NFDC only supplies the data on 9-track
> magnetic tape and you have to pay for it. Also, you have to either find a
> friend with a mainframe :-) or pay someone to transfer the data from the
> tape to media you can use. You might want to check with Paul Santos, the
> webmaster at
> http://www.airnav.com
> He somehow gets the current data and puts it in a searchable database on the
> site. Ask him how he gets the data.
> 

   Just to clarify, I was not implying that this data is an "official
product" of the NFDC. The web page makes this very clear, it states:

 "<<<<< FOR RESEARCH PURPOSES ONLY -- NOT CERTIFIED FOR NAVIGATION >>>>>"

It's also true that the data is almost a year old. On the other hand,
it is still the best public source for this information that I have
seen so far. There have been some updates in the past, roughly every
6-9 months. On one occassion, I discovered a small problem with one of
the data fields, and they promptly corrected the files when I sent them
e-mail describing the problem.

   It probably goes without saying, but having up to date navigational
information is really a "mission critical" issue (so I'll say it anyway).
More than one fatal accident has occured as a result of bad or missing
data. Here are a couple interesting URLs for you all. The first one has
some nice links to other aviation charting resources, and the second
speaks of a law suit filed against Jeppesen, that relates to data.

	http://www.webcom.com/skygod/charting/home.html

	http://www.webcom.com/skygod/charting/dmalia.html

-- 
 ___|___  | John C. Peterson, KD6EKQ | Try Linux for Intel x86, because
  -(*)-   | mailto:jaypee@netcom.com | a PC is a terrible thing to waste!
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info
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From owner-linux-aviation@humbolt.nl.linux.org  Thu Mar 25 22:40:42 1999
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Date: Thu, 25 Mar 1999 13:37:46 -0800
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From: Brian Lloyd <brian@lloyd.com>
Subject: Jeppesen database
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Dave Bridgham <dab@froghouse.org> (also on this list) and I purchased the
sample data kit from Jeppesen for their database.  This kit contains a
rather large book of all the record formats and sample data of all the
record types on floppy.  It is enough to allow you to write and test
software that will accept the Jeppesen data as input.  As I recall, it was
about $150(US) for the kit.

It was very enlightening.  The most obvious thing is that the format is
clearly intended for mainframe systems.  Heck, it looks like input data for
a COBOL program (which is probably what it is).  There is a *LOT* of data
available, a lot more than I would have expected.

So, for people planning to play in this area, it might be worthwhile to
play with the Jeppesen data just to get a feel for its value.  Sometimes it
is just worth it to buy clean data than to scrounge for dirty stuff and
then have to go to all the trouble to clean it up.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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A small plug for Perl (currently my favorite language :)...

Even if the planning software was written in C with a GTK/Qt/Whatever front
end, a Perl script (using DBI) would be a great took to import the data
into a local database.  OR, there are ways of imbedding perl in a C
program, that could be done as well.  It seems to me that Perl would be the
easiest to use for processing/import that data.  Hey, there might already
be a Perl module for importing COBAL data.

Hope that sparks some ideas.

j----- k-----
(Shooting from the hip)

At 01:37 PM 3/25/99 -0800, you wrote:
>Dave Bridgham <dab@froghouse.org> (also on this list) and I purchased the
>sample data kit from Jeppesen for their database.  This kit contains a
>rather large book of all the record formats and sample data of all the
>record types on floppy.  It is enough to allow you to write and test
>software that will accept the Jeppesen data as input.  As I recall, it was
>about $150(US) for the kit.
>
>It was very enlightening.  The most obvious thing is that the format is
>clearly intended for mainframe systems.  Heck, it looks like input data for
>a COBOL program (which is probably what it is).  There is a *LOT* of data
>available, a lot more than I would have expected.
>
>So, for people planning to play in this area, it might be worthwhile to
>play with the Jeppesen data just to get a feel for its value.  Sometimes it
>is just worth it to buy clean data than to scrounge for dirty stuff and
>then have to go to all the trouble to clean it up.
>
>
>Brian Lloyd                                    Lucent Technologies
>brian@lloyd.com                                3461 Robin Lane, Suite 1
>http://www.livingston.com                      Cameron Park, CA  95682
>+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-
>
>-
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>
>
Joshua Kugler
Computer Technician
Hunt Foods Co.
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 26 01:16:59 1999
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From: Brian Lloyd <brian@lloyd.com>
Subject: Re: Jeppesen database
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At 04:04 PM 3/25/99 -0800, you wrote:
>A small plug for Perl (currently my favorite language :)...
>
>Even if the planning software was written in C with a GTK/Qt/Whatever front
>end, a Perl script (using DBI) would be a great took to import the data
>into a local database.  OR, there are ways of imbedding perl in a C
>program, that could be done as well.  It seems to me that Perl would be the
>easiest to use for processing/import that data.  Hey, there might already
>be a Perl module for importing COBAL data.

We tend to work in Java.  PERL is great for string manipulation but I am
not sure it is an advantage for processing fixed-length records where byte
offsets define the element boundaries.

How many people are interested in using Java?  We opted for it because it
pretty much eliminated our dependence on a particular platform (as long as
the platform supports Java, of course).  Certainly PERL is portable as well
but IMHO it is not well suited to large scale development.  C is not quite
as portable.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 26 02:27:59 1999
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To: linux-aviation@nl.linux.org
Date: Thu, 25 Mar 1999 19:08:58 +600
Subject: Re: Jeppesen database
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>How many people are interested in using Java?  We opted for it because it
>pretty much eliminated our dependence on a particular platform (as long as

>the platform supports Java, of course).  Certainly PERL is portable as well

>but IMHO it is not well suited to large scale development.  C is not quite

>as portable.

Not to start a religious or flame war, but I've tried several large applications
written in Java, and I'm sorry, I won't do it anymore. They're slower than molasses
in the winter on my P200 (which used to be fast), and even with my 64MB of RAM
(which used to be a lot), they take all of that and want more. On both Windows
and Linux.

C/C++ is almost as portable. As long as you decouple the GUI from the core functionality
and don't use any OS specific file handling or other system calls, it isn't
all *that* hard. Sure, it's more work, but I think it's worth it on all other
levels. Besides, there are more and more good cross-platform GUI kits that make
that easier to do now (open source, too). If you start out designing the program
to be portable, it will stay that way.

Of course, I've never worked on a large cross-platform project, so take what
I say with a grain of salt :-).
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From: John Peterson <jaypee@netcom.com>
To: linux-aviation@nl.linux.org
Subject: Re: Jeppesen database
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On Thu, Mar 25, 1999 at 01:37:46PM -0800, Brian Lloyd wrote:
> Dave Bridgham <dab@froghouse.org> (also on this list) and I purchased the
> sample data kit from Jeppesen for their database.  This kit contains a
> rather large book of all the record formats and sample data of all the
> record types on floppy.  It is enough to allow you to write and test
> software that will accept the Jeppesen data as input.  As I recall, it was
> about $150(US) for the kit.
> 

   Very interesting. I must say I'm really quite surprised that they
take such an "open" attitude towards reading the data. Not a slam on
Jeppesen in any way, but it seems like every company on earth has tried
to restrict the use of their products in every *possible* legal and
technical way (Win Printers and Win Modems for example, to these
companies the concept of "fair use" means "no use). Very refreshing
really...

   As far as conversion software goes, I wrote avdbtools (the package
used to create the fplan databases) in plain ol' C. I know people have
their favorites, but C worked just fine. The bulk of it came together
in just a couple evenings.

-- 
 ___|___  | John C. Peterson, KD6EKQ | Try Linux for Intel x86, because
  -(*)-   | mailto:jaypee@netcom.com | a PC is a terrible thing to waste!
  o/ \o   | San Diego, CA   U.S.A    | See http://www.linux.org/ for info
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 26 07:14:56 1999
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From: dab@froghouse.org
Subject: Re: Jeppesen database
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On 25 Mar, John Peterson wrote:

>    Very interesting. I must say I'm really quite surprised that they
> take such an "open" attitude towards reading the data. Not a slam on
> Jeppesen in any way, but it seems like every company on earth has
> tried to restrict the use of their products in every *possible*
> legal and technical way (Win Printers and Win Modems for example, to
> these companies the concept of "fair use" means "no use). Very
> refreshing really...

It shouldn't be surprising.  It's certainly in Jeppesen's interest to
help people be able to use their data; they make money by selling that
data.  The more companies who sell devices that use Jepp data, the
more customers Jepp has.  Now they don't give this stuff away and they
don't give you a sample database that's useful for anything.  It just
has some of every record type so you can test your parsing software.
We asked about getting a complete, out of date copy of their data so
we could make sure our data structures and so forth were up to the
task and they got a lot more cagey though it wasn't totally out of the
question.

The idea of preventing people from using your product by keeping
technical information secret is just daft.  I know companies do it all
the time; it's still bonkers.

Jeppesen has a de-facto monopoly on reliable aviation nav data.  There
is no other source as the FAA data is supposed to be riddled with
errors.  They can best keep their position by making sure there's no
reason to create any competition so they make sure any who want can
use their data.  At a price of course.

> As far as conversion software goes, I wrote avdbtools (the package
> used to create the fplan databases) in plain ol' C. I know people
> have their favorites, but C worked just fine. The bulk of it came
> together in just a couple evenings.

The Jepp data is in a bit more complex format I suspect.  Maybe I'm
just slow but in the couple of evening's work I've put in so far I've
only gotten a tiny ways into the formats.  I can partially parse the
VOR records.  The ARINC 424 spec is some 250 pages (and not the
clearest writing I've ever encountered) plus maybe another 40 pages of
Jeppesen extensions.

 -Dave


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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 26 16:04:58 1999
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"Joshua J. Kugler" wrote:
> 
> A small plug for Perl (currently my favorite language :)...
> 
> Even if the planning software was written in C with a GTK/Qt/Whatever front
> end, a Perl script (using DBI) would be a great took to import the data
> into a local database.  OR, there are ways of imbedding perl in a C
> program, that could be done as well.  It seems to me that Perl would be the
> easiest to use for processing/import that data.  Hey, there might already
> be a Perl module for importing COBAL data.
> 

Yea I like Perl a lot, but I think Java JDBC is a bit better and easier
to use than the Perl database interfaces...  Of course you need to know
a bit of SQL to make it work...


-= Bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 26 17:47:44 1999
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Keith Brown wrote:
> 
> >How many people are interested in using Java?  We opted for it because it
> >pretty much eliminated our dependence on a particular platform (as long as
> 
> >the platform supports Java, of course).  Certainly PERL is portable as well
> 
> >but IMHO it is not well suited to large scale development.  C is not quite
> 
> >as portable.
> 
> Not to start a religious or flame war, but I've tried several large applications
> written in Java, and I'm sorry, I won't do it anymore. They're slower than molasses
> in the winter on my P200 (which used to be fast), and even with my 64MB of RAM
> (which used to be a lot), they take all of that and want more. On both Windows
> and Linux.
> 
> C/C++ is almost as portable. As long as you decouple the GUI from the core functionality
> and don't use any OS specific file handling or other system calls, it isn't
> all *that* hard. Sure, it's more work, but I think it's worth it on all other
> levels. Besides, there are more and more good cross-platform GUI kits that make
> that easier to do now (open source, too). If you start out designing the program
> to be portable, it will stay that way.
> 
> Of course, I've never worked on a large cross-platform project, so take what
> I say with a grain of salt :-).

You got it right... Java is a slow mamath that can bring the best
machine to a crawl, but it's portable.  I would not want to write some
heavy hitting image processing code in java.

However, for user interfaces there is nothing like it for portabliity
and usually you don't need to be too speedy with a UI.

Despite the speed and resource problems, I think Java is worth it for
portability unless you are really running in very limited situations or
where you are doing a lot of processing on data.. (So don't write your
flight simulator in Java, unless you have one heck of a machine.)  I
think the speed and resource useage problems will be worked on over time
and the problems that cannot be solved will be less and less of a
problem as hardware capibilities grow... (Shucks, I remember when a 386
DX 25 was a really fast machine that ran circles arround some mainframes
of it's day... It is only a matter of time before Java's resource useage
becomes a non-issue.)

We've seen this resource issue with other languages, C, C++ for example
Where resource hogs in their eairly days and assembly was the way to
write small and fast programs.. Now days, C is considered a very
efficient way of writing code...  Java in time will be too.  It just may
be awhile before you write kernel code in Java...  

That's my thoughts...
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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 26 18:14:21 1999
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From: "Joshua J. Kugler" <jkugler@inreach.com>
Subject: Re: Jeppesen database
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At 03:02 PM 3/26/99 +0000, you wrote:
>"Joshua J. Kugler" wrote:
>>Hey, there might already be a Perl module for importing COBAL data.

"COBAL"?  And I've been in computers HOW long? :)  How embarrassing.  If I
was paying attention, that would have been "COBOL."  There, that's better.

>Yea I like Perl a lot, but I think Java JDBC is a bit better and easier
>to use than the Perl database interfaces...  Of course you need to know
>a bit of SQL to make it work...

You need to know SQL for Perl/DBI too.  It's basically an interface for
sending SQL commands to an SQL server, and getting the results back.  It
really doesn't hide any query detail.

j----- k-----
Joshua Kugler
Computer Technician
Hunt Foods Co.
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From: Jerry Kaidor <jerry@tr2.com>
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Subject: Re: Jeppesen database
To: linux-aviation@nl.linux.org
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In-Reply-To: <36FBB98C.91AF00BF@cssgroup.com> from "Bob Deep" at Mar 26, 99 04:45:00 pm
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Bob Deep wrote:
>
> > C/C++ is almost as portable. As long as you decouple the GUI from the core functionality
> > and don't use any OS specific file handling or other system calls, it isn't
> > all *that* hard. Sure, it's more work, but I think it's worth it on all other
> > 
> > Of course, I've never worked on a large cross-platform project, so take what
> > I say with a grain of salt :-).
> 
> You got it right... Java is a slow mamath that can bring the best
> machine to a crawl, but it's portable.  I would not want to write some

*** I'd vote for C.   Remember, we're talking about Linux here.  That means
open source, and people being able to compile it on their own systems.
So the portability features of Java are not needed.

   One of the nicest things about Linux is its efficiency, its ability to
do useful stuff on slow, small machines.  For example, I'm typing this on
a telnet session into my old 486 box, which acts as a "central computer" and
Internet server for the whole house.  Keep it lean & mean, that's the Linux
Way.

              - Jerry Kaidor ( jerry@tr2.com )
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Date: Fri, 26 Mar 1999 12:06:37 -0800
To: linux-aviation@nl.linux.org
From: Brian Lloyd <brian@lloyd.com>
Subject: Re: Jeppesen database
In-Reply-To: <19990325175339.A23389@netcom6.netcom.com>
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At 05:53 PM 3/25/99 -0800, you wrote:
>On Thu, Mar 25, 1999 at 01:37:46PM -0800, Brian Lloyd wrote:
>> Dave Bridgham <dab@froghouse.org> (also on this list) and I purchased the
>> sample data kit from Jeppesen for their database.  This kit contains a
>> rather large book of all the record formats and sample data of all the
>> record types on floppy.  It is enough to allow you to write and test
>> software that will accept the Jeppesen data as input.  As I recall, it was
>> about $150(US) for the kit.
>> 
>
>   Very interesting. I must say I'm really quite surprised that they
>take such an "open" attitude towards reading the data. Not a slam on
>Jeppesen in any way, but it seems like every company on earth has tried
>to restrict the use of their products in every *possible* legal and
>technical way (Win Printers and Win Modems for example, to these
>companies the concept of "fair use" means "no use). Very refreshing
>really...

Well, if you consider that they are in the business of selling the data, I
would imagine that they would want a representation that is as universal as
possible.  As I recall they do not want you selling their data unmodified.
I think they want you to put it into a format unique to your application.
OTOH, that makes sense if you are picking and choosing among the data
elements for your particular application.

>   As far as conversion software goes, I wrote avdbtools (the package
>used to create the fplan databases) in plain ol' C. I know people have
>their favorites, but C worked just fine. The bulk of it came together
>in just a couple evenings.

I think C would be a good language for doing data conversions since you
have the flexibility of interpreting the data any way you want to.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 26 21:24:39 1999
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Date: Fri, 26 Mar 1999 12:03:30 -0800
To: linux-aviation@nl.linux.org
From: Brian Lloyd <brian@lloyd.com>
Subject: Java
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At 07:08 PM 3/25/99 +600, you wrote:
>Not to start a religious or flame war, but I've tried several large
applications
>written in Java, and I'm sorry, I won't do it anymore. They're slower than
molasses
>in the winter on my P200 (which used to be fast), and even with my 64MB of
RAM
>(which used to be a lot), they take all of that and want more. On both
Windows
>and Linux.

We did a fair bit of benchmarking and found huge differences in the various
VMs.  Many of the reference VMs from Javasoft don't support JIT so they are
slow.  When you get a good JIT JVM that supports native threading on
Solaris or NT, we were seeing performance on the order of 50%-70% the speed
of the same thing coded in C when compiled with GCC.  We wrote a very high
performance RADIUS server in Java and demonstrated performance two orders
of magnituded (yes, 100 times) better than anything anyone else had built.

>C/C++ is almost as portable. As long as you decouple the GUI from the core
functionality
>and don't use any OS specific file handling or other system calls, it isn't
>all *that* hard. Sure, it's more work, but I think it's worth it on all other
>levels. Besides, there are more and more good cross-platform GUI kits that
make
>that easier to do now (open source, too). If you start out designing the
program
>to be portable, it will stay that way.

We also found that code gets debugged more quickly in Java than in C.

>Of course, I've never worked on a large cross-platform project, so take what
>I say with a grain of salt :-).

Well, when my boss said, "Oh, and it has to run on these twelve different
platforms," I opted for Java.  The learning curve was steep and the
language was immature but it has gotten much better.  I think that, today,
you can do production work with it.


Brian Lloyd                                    Lucent Technologies
brian@lloyd.com                                3461 Robin Lane, Suite 1
http://www.livingston.com                      Cameron Park, CA  95682
+1.530.676.6513 - voice                        +1.530.676.3442 - fax    O-

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From owner-linux-aviation@humbolt.nl.linux.org  Fri Mar 26 21:44:40 1999
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Date: Fri, 26 Mar 1999 20:42:11 +0000
From: Bob Deep <bobd@cssgroup.com>
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> 
> Well, when my boss said, "Oh, and it has to run on these twelve different
> platforms," I opted for Java.  The learning curve was steep and the
> language was immature but it has gotten much better.  I think that, today,
> you can do production work with it.

Yea, you can.. At least I currently am...

I see no real reason not to code any new application in Java if you meet
the four following tests...

1. Your application does not need top computational performance in a
small foot print..
2. You can get a VM for the platform.
3. You don't need direct access to hardware that cannot be done yet in
Java on your platform.
4. Learning costs of Java are too high.

Of course, it's always a judgment call...
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From owner-linux-aviation@humbolt.nl.linux.org  Sat Mar 27 07:54:14 1999
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Date: Sat, 27 Mar 1999 06:46:20 +0000
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Bob Deep wrote:

> >
> > Well, when my boss said, "Oh, and it has to run on these twelve different
> > platforms," I opted for Java.  The learning curve was steep and the
> > language was immature but it has gotten much better.  I think that, today,
> > you can do production work with it.
>
> Yea, you can.. At least I currently am...
>
> I see no real reason not to code any new application in Java if you meet
> the four following tests...
>
> 1. Your application does not need top computational performance in a
> small foot print..
> 2. You can get a VM for the platform.
> 3. You don't need direct access to hardware that cannot be done yet in
> Java on your platform.
> 4. Learning costs of Java are too high.
>
> Of course, it's always a judgment call...

Good points. What I "really meant to say" I guess, is that from my perspective
as an end user give me a native app over Java all other things being equal. If
I was running a heterogenous shop that needed a tool "now" that ran on
everything, I would go with Java as well...

Coincidentally, this very moment, I'm evaluating an experimental UML CASE tool
written in Java called Argo/UML. Its free and opensource, and blows the doors
off of any other CASE tool I've tried so far that was written in Java, some of
which sell for several thousand dollars. It also has features that don't exist
in other commercial tools. So far, performance hasn't been bad either. I'm very
impressed. So you *can* write quality software with Java, but it still lacks
that 'snap' you get with native object code.

There are quite a few freeware and shareware flight planning tools for Windows,
but not on Linux, so I don't see the point of concentrating on portability so
much. That's mainly why I would favor native compiled code, no matter what the
language.

--
 _    _                ___   __    ________________________________
| |  (_)_ _ _  ___ __ |_  ) /  \  | Keith Brown bahalana@wt.net    |\
| |__| | ' \ || \ \ /  / / | () | | http://web.wt.net/~bahalana    |\
|____|_|_||_\_,_/_\_\ /___(_)__/  |________________________________|\
   THE SOURCE IS OUT THERE....     \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\



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From: John Peterson <jaypee@netcom.com>
To: linux-aviation@nl.linux.org
Subject: Personal Java (was: Java)
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On Fri, Mar 26, 1999 at 08:42:11PM +0000, Bob Deep wrote:
> 
> > 
> > Well, when my boss said, "Oh, and it has to run on these twelve different
> > platforms," I opted for Java.  The learning curve was steep and the
> > language was immature but it has gotten much better.  I think that, today,
> > you can do production work with it.
> 
> Yea, you can.. At least I currently am...
> 
> I see no real reason not to code any new application in Java if you meet
> the four following tests...
> 
> 1. Your application does not need top computational performance in a
> small foot print..
> 2. You can get a VM for the platform.
     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

   Relatively speaking, I'm still a neophyte as far as Java goes. However,
I have taken an interest in the language because of the portability
aspect, Sun's vocal plans for using Java in the embedded market, and my
own personal interest in handheld computers for aviation usage.

   Can someone summarize what is going on in the area of Personal Java
on embedded devices?  As far as I can tell, "not much" sums it up.
Corel was talking about marketing a Personal Java based PDA which was
apparently shelved a year ago or so.

-- 
 ___|___  John C. Peterson, KD6EKQ | "I believe OS/2 is destined to be the most
  -(*)-   mailto:jaypee@netcom.com | important operating system, and possibly
  o/ \o   San Diego, CA   U.S.A    | program, of all time." - Billy Gates, 1987
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From owner-linux-aviation@humbolt.nl.linux.org  Sat Mar 27 21:32:02 1999
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From: "Norman Vine" <nhv@laserplot.com>
To: <linux-aviation@nl.linux.org>
Subject: RE: Personal Java (was: Java)
Date: Sat, 27 Mar 1999 15:28:40 -0500
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>   Can someone summarize what is going on in the area of Personal Java
>on embedded devices?  As far as I can tell, "not much" sums it up.
>Corel was talking about marketing a Personal Java based PDA which was
>apparently shelved a year ago or so.
>
>-- 

With all this talk of Perl and Java and all I was biting my tongue.

But I can not resist any longer :-)

following snipped from
http://www.concentric.net/~n9mtb/cq

The flagship CQ Codeworks product is Pyrite, 
a Python library which provides high-level object-oriented access 
to Palm Computing platform handhelds and their data. 

also see
ftp://ryeham.ee.ryerson.ca/pub/PalmOS/

Cheers

Norman
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From owner-linux-aviation@humbolt.nl.linux.org  Mon Mar 29 16:37:18 1999
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John Peterson wrote:
> 
> On Fri, Mar 26, 1999 at 08:42:11PM +0000, Bob Deep wrote:
> >
> > >
> > > Well, when my boss said, "Oh, and it has to run on these twelve different
> > > platforms," I opted for Java.  The learning curve was steep and the
> > > language was immature but it has gotten much better.  I think that, today,
> > > you can do production work with it.
> >
> > Yea, you can.. At least I currently am...
> >
> > I see no real reason not to code any new application in Java if you meet
> > the four following tests...
> >
> > 1. Your application does not need top computational performance in a
> > small foot print..
> > 2. You can get a VM for the platform.
>      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
>    Relatively speaking, I'm still a neophyte as far as Java goes. However,
> I have taken an interest in the language because of the portability
> aspect, Sun's vocal plans for using Java in the embedded market, and my
> own personal interest in handheld computers for aviation usage.
> 
>    Can someone summarize what is going on in the area of Personal Java
> on embedded devices?  As far as I can tell, "not much" sums it up.
> Corel was talking about marketing a Personal Java based PDA which was
> apparently shelved a year ago or so.

I beleive that a lot of this was put on hold as it was based on
MicroSoft's CE (??) OS that was supposed to support Java programs native
and run in a small foot print.  At this point M$ does not seem to be
wanting to do anything with Java due to their lawsuit with Sun and the
case with the DOJ and antitrust.  Don't blame them, but some development
shops are up a creek without an OS at this point...

-= Bob =-
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 31 00:39:53 1999
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Date: Tue, 30 Mar 1999 14:39:35 -0800
From: John Peterson <jaypee@netcom.com>
To: linux-aviation@nl.linux.org
Subject: Re: Personal Java (was: Java)
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References: <3.0.6.32.19990326120330.00969be0@158.222.8.12> <36FBF123.77961E22@cssgroup.com> <19990327105112.A27233@netcom9.netcom.com> <36FF8F70.26C8F2DA@cssgroup.com>
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On Mon, Mar 29, 1999 at 02:34:24PM +0000, Bob Deep wrote:
> John Peterson wrote:
> > 
> > On Fri, Mar 26, 1999 at 08:42:11PM +0000, Bob Deep wrote:
> > >
> > > >
> > > > Well, when my boss said, "Oh, and it has to run on these twelve different
> > > > platforms," I opted for Java.  The learning curve was steep and the
> > > > language was immature but it has gotten much better.  I think that, today,
> > > > you can do production work with it.
> > >
> > > Yea, you can.. At least I currently am...
> > >
> > > I see no real reason not to code any new application in Java if you meet
> > > the four following tests...
> > >
> > > 1. Your application does not need top computational performance in a
> > > small foot print..
> > > 2. You can get a VM for the platform.
> >      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > 
> >    Relatively speaking, I'm still a neophyte as far as Java goes. However,
> > I have taken an interest in the language because of the portability
> > aspect, Sun's vocal plans for using Java in the embedded market, and my
> > own personal interest in handheld computers for aviation usage.
> > 
> >    Can someone summarize what is going on in the area of Personal Java
> > on embedded devices?  As far as I can tell, "not much" sums it up.
> > Corel was talking about marketing a Personal Java based PDA which was
> > apparently shelved a year ago or so.
> 
> I beleive that a lot of this was put on hold as it was based on
> MicroSoft's CE (??) OS that was supposed to support Java programs native
> and run in a small foot print.  At this point M$ does not seem to be
> wanting to do anything with Java due to their lawsuit with Sun and the
> case with the DOJ and antitrust.  Don't blame them, but some development
> shops are up a creek without an OS at this point...
> 
   I guess this is good news and bad news. It's too bad that PJ is stalled
because of this, but then I (for one) am elated that M$ most likely won't
be involved.

   On the other hand, I don't think Java is dead in the embedded world.
I'm starting to dabble some with programming the Palm Pilot, and I find
Greg Hewgill's Jump translator an interesting approach. If anyone has
any experience with it, please let us know! It converts Java code into
68000 assembler, which can then be assembled into a .prc file. For
details, see

	http://www.hewgill.com/pilot/jump/index.html

-
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 31 07:09:25 1999
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Date: Tue, 30 Mar 1999 21:09:08 -0800
From: John Peterson <jaypee@netcom.com>
To: linux-aviation@humbolt.nl.linux.org
Subject: Java applications for aviation?
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   While on the subject of Java, I'm curious to hear more about Java
based software for aviation related endeavors. I found several good
applications and applets while doing research for the FAQ (EPS, IGCview,
and PilotPal). Are there any other ones out there that I have missed???
(Including commercial software).

-- 
 ___|___  | John C. Peterson, <jaypee@netcom.com> | "Once you have flown,
  -(*)-   | you will walk the earth with your eyes turned skyward, for there
  o/ \o   | you have been, there you long to return." -- Leonardo da Vinci.
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From owner-linux-aviation@humbolt.nl.linux.org  Wed Mar 31 08:47:55 1999
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To: linux-aviation@nl.linux.org
Subject: Re: Personal Java (was: Java) 
In-reply-to: Your message of "Tue, 30 Mar 1999 14:39:35 -0800."
             <19990330143935.A17152@netcom13.netcom.com> 
Date: Wed, 31 Mar 1999 09:48:14 +0400
From: Amos Shapira <amos@gezernet.co.il>
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On Tue, March 30 1999, John Peterson <jaypee@netcom.com> wrote:
|   On the other hand, I don't think Java is dead in the embedded world.

Not at all.  As far as I get it, Java was INVENTED for the Embedded
market.

I don't know how much of what I know I can disclose (I work for Sun),
but you can see even in the press about the Sun/Symbian which was
struck just last week or so.  The deal is about embedding Java in the
Epoch OS, as far as I'm aware.

Symbian is not only important because it is co-owned by the largest
cellular manufacturers, who already agreed to standardize on Psion's
Epoch OS, but also because Psion are one of the largest Palm-top
computer makers, their OS is considered the main competitor for M$
WinCE (or at least used to be about a year ago).

Disclaimer - I speak only for myself.

Cheers,

--Amos

--Amos Shapira                    | "Of course Australia was marked for
133 Shlomo Ben-Yosef st.          |  glory, for its people had been chosen
Jerusalem 93 805                  |  by the finest judges in England."
ISRAEL        amos@gezernet.co.il |                     -- Anonymous
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