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
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