A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2018 Jun 3, 10:24 -0700
A general question...are precalculated Hp altitudes for a fixed angle reflection (such as the Bris sextant) plotted from an assumed position that is shifted in longitude by the observed time difference converted to arc ? Is the time sight formula to be used for the precalculation ?