DGPS SURVEY Instrument Tutorial || Site Topographic Survey|| Ground Survey|| Site Surveying
A Differential Global Positioning System (DGPS) is an enhancement to the Global Positioning System (GPS) which provides improved location accuracy, in the range of operations of each system .DGPS (Differential GPS) is essentially a system to provide positional corrections to GPS signals. DGPS uses a fixed, known position to adjust real time GPS ...
