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Re: FAA To Finally Ditch Floppy Disks & Win-95

From rbowman <bowman@montana.com>
Newsgroups comp.os.linux.misc
Subject Re: FAA To Finally Ditch Floppy Disks & Win-95
Date 2025-06-23 19:11 +0000
Message-ID <mbtn7fFjbqdU3@mid.individual.net> (permalink)
References (20 earlier) <FCV5Q.1598985$G6Lf.181139@fx17.iad> <mbr2nlF5ijfU2@mid.individual.net> <DZ_5Q.1372755$6%s6.27132@fx12.iad> <mbs7dgFbafcU2@mid.individual.net> <Xuf6Q.1622915$G6Lf.431992@fx17.iad>

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On Mon, 23 Jun 2025 16:43:35 GMT, Charlie Gibbs wrote:

> On 2025-06-23, rbowman <bowman@montana.com> wrote:
> 
>> Years ago Trimble was a big player when emergency services started
>> using AVL and they had their own format. Geocom, another player, sent
>> the coordinated in hex. It's been a long time but there was also a
>> magic number involved where x and y were the hex values.
>>
>> 	*lat = (double) x * 5.729577957 * .0000001;
>> 	*lon = (double) y * 5.729577957 * .0000001;
> 
> That number looks suspiciously like the number of degrees in a radian,
> divided by 10.

You're right. I was looking at source code I wrote about 20 years ago 
without giving it much thought. 

Unfortunately, now I'm thinking. I wonder what the raw GNSS data looks 
like? There are a lot of GPS modules for microprocessors but afaik they 
only spit out NMEA sentences. That's no fun.

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Thread

FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-13 22:38 -0400
  Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-14 03:35 +0000
    Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-14 00:29 -0400
      Re: FAA To Finally Ditch Floppy Disks & Win-95 Rich <rich@example.invalid> - 2025-06-14 16:34 +0000
        Re: FAA To Finally Ditch Floppy Disks & Win-95 The Natural Philosopher <tnp@invalid.invalid> - 2025-06-15 00:38 +0100
          Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-14 23:28 -0400
            Re: FAA To Finally Ditch Floppy Disks & Win-95 Rich <rich@example.invalid> - 2025-06-15 14:04 +0000
              Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-15 21:44 -0400
        Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-14 22:41 -0400
          Re: FAA To Finally Ditch Floppy Disks & Win-95 Rich <rich@example.invalid> - 2025-06-15 14:19 +0000
            Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-15 18:45 +0000
            Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-15 22:02 -0400
              Re: FAA To Finally Ditch Floppy Disks & Win-95 Rich <rich@example.invalid> - 2025-06-16 03:00 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-16 01:13 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Rich <rich@example.invalid> - 2025-06-17 03:42 +0000
              Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-16 17:52 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Rich <rich@example.invalid> - 2025-06-17 03:49 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-17 01:29 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-17 18:20 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-17 23:06 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Rich <rich@example.invalid> - 2025-06-18 14:15 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-18 19:38 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-18 00:02 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2025-06-17 17:30 -0700
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-17 22:38 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-18 03:55 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 John Ames <commodorejohn@gmail.com> - 2025-06-18 08:03 -0700
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-18 16:15 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-18 19:41 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-19 22:25 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-19 23:12 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-06-20 08:36 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-20 20:00 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-21 01:34 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-06-21 06:50 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-21 19:30 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-06-22 06:43 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-21 23:57 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-22 01:15 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-21 21:24 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-22 06:14 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-22 02:50 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-22 15:49 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-22 18:22 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-23 00:40 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 John Ames <commodorejohn@gmail.com> - 2025-06-23 11:27 -0700
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-24 01:34 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 John Ames <commodorejohn@gmail.com> - 2025-06-24 07:52 -0700
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-24 22:24 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 John Ames <commodorejohn@gmail.com> - 2025-06-25 09:20 -0700
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-26 03:36 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Andreas Eder <a_eder_muc@web.de> - 2025-06-29 15:20 +0200
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-30 00:01 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-23 18:43 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 The Natural Philosopher <tnp@invalid.invalid> - 2025-06-22 11:43 +0100
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-22 15:49 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-23 01:01 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-23 18:46 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-24 04:52 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-24 05:06 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-24 01:24 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-24 06:31 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 The Natural Philosopher <tnp@invalid.invalid> - 2025-06-24 10:19 +0100
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-24 22:25 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-25 02:02 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-25 01:58 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-25 02:17 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-22 15:49 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-22 19:09 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-22 21:55 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-23 02:25 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-23 01:07 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-23 05:52 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-23 05:35 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-23 16:43 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-23 19:11 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-24 01:36 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-24 04:52 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-24 06:47 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-24 01:02 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-06-22 06:49 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-22 15:49 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-22 02:14 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-18 22:44 +0000
          Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-15 18:36 +0000
            Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-15 22:40 -0400
              Re: FAA To Finally Ditch Floppy Disks & Win-95 rbowman <bowman@montana.com> - 2025-06-16 04:11 +0000
                Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-16 01:30 -0400
                Re: FAA To Finally Ditch Floppy Disks & Win-95 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-06-16 18:15 +0000
      Re: FAA To Finally Ditch Floppy Disks & Win-95 John Ames <commodorejohn@gmail.com> - 2025-06-16 09:35 -0700
        Re: FAA To Finally Ditch Floppy Disks & Win-95 Rich <rich@example.invalid> - 2025-06-17 04:00 +0000
          Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-17 04:22 -0400
        Re: FAA To Finally Ditch Floppy Disks & Win-95 c186282 <c186282@nnada.net> - 2025-06-17 23:11 -0400
          Re: FAA To Finally Ditch Floppy Disks & Win-95 John Ames <commodorejohn@gmail.com> - 2025-06-18 08:01 -0700

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