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Wednesday 27 January 2016

DIFFERENTIAL GLOBAL POSITIONING SYSTEM (DGPS)

DIFFERENTIAL GLOBAL POSITIONING SYSTEM (DGPS)



It is a Satellite based system , where errors in Global Positioning System (GPS) are accurately calculated at a fixed surveyed point and then transmitted by MF Beacon ( 285-325 KHz). In the coverage area of 100 - 150 NM, the position can be fixed by mariners to an accuracy of better than 5 meter. It is an state-of-the- art Aid for the modern days Navigation. Differential Global Positioning System (DGPS) is an enhancement to Global Positioning System that provides improved positional accuracy.


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