A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Brian Villmoare
Date: 2020 Oct 30, 09:30 -0700
RTFM is how computer developers say 'read the _____ manual', often to the end-user.
But this is somewhat to the point - the Hanno Ix chart doesn't really have a clear 'manual' of instructions that can be followed (or at least I haven't been able to find one). Nothing explicit like the haversine formula instructions, where, for example: