A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding
Re: The "golden rule of three" - what's that?
From: John D. Howard
Date: 2018 Feb 13, 18:25 -0800
How can ZD ever be negative? If the horizon is 0 d and overhead is 90 d then ZD is the angle from overhead to the sun or star - positive.
Am I missing something?
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