A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Bob Goethe
Date: 2018 Jan 18, 18:43 -0800
If I have a gnomonic chart, such as the attached graphic file, a great circle route is represented as a straight line.
Is this true for all visible portions of this chart? Or does the straight-line-GC lose accuracy as you move to the bottom (or some other) edge of the chart?