Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: FAA To Finally Ditch Floppy Disks & Win-95
Date: Mon, 23 Jun 2025 02:25:45 -0000 (UTC)
Organization: A noiseless patient Spider
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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.

>> 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 ...