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GPS is an excellent data collection tool for creating and maintaining a GIS.
This ensures that each satellite is transmitting accurate information about its orbital path.
The difference is applied to the GPS data recorded by the roving GPS receiver.
GPS is a satellite-based positioning system operated by the United States Department of Defense (Do D).
By verifying the location of previously recorded sites, GPS can be used for inspecting, maintaining, and updating GIS data.
GPS provides an excellent tool for validating features, updating attributes, and collecting new features. Because GPS provides accurate location information in the field, it is an essential component for mobile GIS.