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 05:52 +0000
Message-ID	<mbs8dhFbafcU3@mid.individual.net> (permalink)
References	(21 earlier) <mbpla6Ft9taU1@mid.individual.net> <FCV5Q.1598985$G6Lf.181139@fx17.iad> <mbr2nlF5ijfU2@mid.individual.net> <DZ_5Q.1372755$6%s6.27132@fx12.iad> <103adv8$vun4$5@dont-email.me>

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On Mon, 23 Jun 2025 02:25:45 -0000 (UTC), Lawrence D'Oliveiro wrote:

> On Sun, 22 Jun 2025 21:55:47 GMT, Charlie Gibbs wrote:
> 
>> Decimal degrees do make number crunching a lot easier.
> 
> Trig calculations are most easily done in radians.

And getting to radians is a hell of a lot easier without having to beat 
degrees, minutes, and decimal seconds into a usable variable.
> 
>>> If you want to have real fun with your Garmin set the datum to NAD27.
>>> When he first started a geocacher was using that instead of WGS 84.
>>> The coordinates were about 100 yards away, which is fun when you're
>>> looking for a hidden ammo can on the side of a mountain.
> 
> That 100 yards sounds about right for the distance between Greenwich
> Observatory and the current location of the 0° longitude line ...

https://www.australiangeographic.com.au/science-environment/2017/02/how-
gps-keeps-up-with-australias-continental-drift

I assume NZ is drifting around like an unmoored kayak too :)


I don't know about GDA2020 but I think NGS 2022 got derailed by Covid 2020 
and died a quiet death.

https://ctgis.uconn.edu/wp-content/uploads/sites/2163/2018/05
/Datum_Changes_CT_GIS.pdf


6 or 7 years ago that was on my plate as a potential future problem since 
we dealt with the Department of Interior. Like all good things I 
procrastinated until the problem went away.

https://www.esri.com/about/newsroom/arcuser/moving-from-static-spatial-
reference-systems-in-2022

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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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