![]() Position is determined by distance from at least 4 satellites It achieves higher positional accuracy by making use of the differential capabilities of two GPS antenna linked by a radio signal. These are surveys which are carried out using the differential GPS. The DGPS (Differential Geographic Positioning System) Survey Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization.This GIS Tutorial is about How to Create DEM Using Leica Geo Office 8.4 software!! ![]() By using this site, you agree to the Terms of Use and Privacy Policy.
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