A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Lars Bergman
Date: 2022 Sep 1, 03:27 -0700
Rafael, a derivation of the intersection formulas enclosed, at least for the longitude. The latitude part requires some algebraic manipulation that I leave to you. Also, on page 3, I propose a simpler method using four auxiliary variables, i.e. the two slopes and the two intercepts.