Sokkia SET 550, Setup And Operation, Page: 20 / 33

3D Coordinates
3D Coordinates
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Coordinates may be absolute or relative depending on
Coordinates may be absolute or relative depending on
survey requirements
survey requirements
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Surveying the area of a mining site would require
Surveying the area of a mining site would require
relative coordinates, therefore, the initial instrument
relative coordinates, therefore, the initial instrument
X,Y,Z coordinates may be 5000, 5000, 100
X,Y,Z coordinates may be 5000, 5000, 100
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Surveys that have to match a downloaded aerial photo
Surveys that have to match a downloaded aerial photo
from the USGS would have to match UTM NAD83
from the USGS would have to match UTM NAD83
coordinates so the starting point would have to be
coordinates so the starting point would have to be
determined by an accurate GPS receiver
determined by an accurate GPS receiver