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![A modified BC-4 satellite triangulation camera used inthe world-wide triangulation program geod0005.jpg A modified BC-4 satellite triangulation camera used inthe world-wide triangulation program](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_geod0005.jpg?itok=prCPYG3S)
Description
A modified BC-4 satellite triangulation camera used inthe world-wide triangulation program. The original BC-4 had a 350 mm focallength while the modified camera used in the program had a 450mm focal length.
Collection
Geodesy
Keywords
Geodesy
Satellite Triangulation
Instruments