Calibrating Raydist by using three-point sextant fix.
Initial tests of Raydist off of SOSBEE
Image ID: theb2229, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Tampa Bay area, Florida
Photo Date: 1954
Credit: C&GS Season's Report Bolstad 1954-87
Category: Charting/Navigation/Visual Signals/Sextant/
• High Resolution Photo Available