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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Zero-Altitude Shot
From: Paul Hirose
Date: 2019 Sep 8, 20:50 -0700
From: Paul Hirose
Date: 2019 Sep 8, 20:50 -0700
On 2019-09-08 14:31, Tony Oz wrote: > You made a notice here:[BEGIN QUOTE] > If (altitude < 0) or (X < 90), replace Z with its supplement: > Z = 180 - Z > Do the adjustment only when EXACTLY ONE of the conditions is true.[END QUOTE] > Could you please give an example when both conditions are true and the Z must not be altered. (this is how I understand your warning) The sunset sight reduction at the end of that message is such an example: "No Z adjustment is necessary since (altitude < 0) and (x < 90)." > By the way, how does your implementation work with the "folded" scales by Gary LaPook? I don't know. I know nothing about his folded scales.
