The instrument system used in the satellite triangulation program.
The large instrument consol on the left is the electronic synchronization unit
while the modified BC-4 camera used for observations is on the right.
Image ID: geod0006, NOAA's Geodesy Collection
Category: Geodesy/Satellite Triangulation/Instruments/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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November 10, 2017