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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Digital Dead Reckoning Calcs
From: David C
Date: 2023 Nov 20, 22:38 -0800
From: David C
Date: 2023 Nov 20, 22:38 -0800
Here is a copy of a page from Nicholls's Concise Guide volume II 1968. Formulae are provided for plain, parallel and Mercator sailings. Note that the Middle latitude and the Mean latitude are not the same thing. The former takes into account the exact shape of the earth.
Your question has raised a complicated subject!!!!
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