A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2014 Aug 5, 11:20 -0700
A fix using the classic time sight (body near prime vertical) was generally obtained by crossing with a latitude obtained from an observation of a body at meridian passage. Latitude and Longitude were kept in log form saving wear and tear on the chart.