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Differential GPS

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Title Differential GPS
Edited by GMV
Level Basic
Year of Publication 2011
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Differential GPS (DGPS) is a kind of GNSS Augmentation system based on an enhancement to primary GPS constellation information by the use of a network of ground-based reference stations which enable the broadcasting of differential information to the user – also named rover – to improve the accuracy of his position – the integrity is not assured.

The Differential GNSS techniques and systems are explained in detail in the articles:

The case of DGPS is the same as DGNSS but using only measurements from the GPS constellation.