A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Azimuth diagram of Hanno Ix
From: Greg Rudzinski
Date: 2020 Sep 28, 06:06 -0700
I like using a pocket slide rule to determine the Hc of prime vertical. This allows for determining whether to use north or south as reference. Formula: PV (Hc) = arc sin} sin dec/sin lat.
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