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Re: LOP's without DR Position
From: Robin Stuart
Date: 2015 Feb 26, 04:55 -0800

John,

While we're on the subject, in your book "Celestial Navigation in the GPS age" you give an elegant solution to the double altitude problem using 5 successive applications of the cosine rule of spherical trigonometry. What is the origin of this method?

Regards,
Robin Stuart

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