Taking three-point sextant fix with check angle.
Calibrating electronic navigation system.
Third man searching for signal.
On NOAA Launch 1255
Image ID: theb2233, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1981
Credit: Captain George Jamerson, NOAA Corps
Category: Charting/Navigation/Visual Signals/Sextant/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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