Control establishment and densification.The rover then uses this same difference to accurately determine its location. The base is continuously broadcasting a signal to the rover of this difference. The base station calculates the difference between the specified coordinates of its location and those indicated by the satellites. Time taken by signal to travel from satellite to antenna used to determine the distance. 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
This GIS Tutorial is about How to Create DEM Using Leica Geo Office 8.4 software!!
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