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$Brian Villmoare: Re: Refraction formula incorporating the elevation of the observer$

Re: Mercator projection in the news
From: Christopher Willmes
Date: 2025 Sep 6, 16:59 +0000

😂

On Sep 6, 2025, at 12:51, NavList Community <NavList@navlist.net> wrote:

Re: Mercator projection in the news
From: David Pike
Date: 2025 Sep 6, 09:32 -0700

Do you have to start and finish on a double?

File:

$Brian Villmoare: Re: Refraction formula incorporating the elevation of the observer$

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