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![Leveling the center leg of a GPS satellite receiver unit to assure that it isdirectly over the mark cgs02647.jpg Leveling the center leg of a GPS satellite receiver unit to assure that it isdirectly over the mark](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02647.jpg?itok=tI_so9Dq)
Description
Leveling the center leg of a GPS satellite receiver unit to assure that it isdirectly over the mark. (Image credit: Crew and Officers of the NOAA Ship FAIRWEATHER)
Credit
Crew and Officers of the NOAA Ship FAIRWEATHER
Collection
Historic Coast & Geodetic Survey