Calibrating Raydist by using three-point sextant fix.Initial tests of Raydist off of SOSBEE
3/20/2019 9:43:04 AM
Date: 1954
Credit: C&GS; Season's Report Bolstad 1954-87
Location: Tampa Bay area, Florida
Subject: Charting
Subject: Navigation
Subject: Visual Signals
Subject: Sextant