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Re: [gpsd-dev] ✘magnetic variation
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From: |
Eric S. Raymond |
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Subject: |
Re: [gpsd-dev] ✘magnetic variation |
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Date: |
Sun, 28 Jul 2019 18:25:24 -0400 |
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User-agent: |
Mutt/1.10.1 (2018-07-13) |
Gary E. Miller <address@hidden>:
> Turns out I can not find a source of magnetic variation that works
> near the poles. So now I know why GNSS receivers typically do not
> try to calculate the magnetic variation.
Not sure how much of an issue in practice. IIRC GPS is flaky in the high arctic
because the orbital inclination of the sats means you seldom get one above
the horizon.
> What a mess... Anyone know a working magnetic variation calculator?
Alas, no.
--
<a href="http://www.catb.org/~esr/";>Eric S. Raymond</a>
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