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What is DGPS

Chapter 35
Handbook of Research on Geoinformatics
The Differential GPS (DGPS) is used to correct GPS signal data errors, using two receivers, one stationary (placed at a precisely known geographic point) and one roving (carried by the surveyor). The stationary receiver sends differential correction signals to the roving one.
Published in Chapter:
Coupling GPS and GIS
Mahbubur R. Meenar (Temple University, USA), John A. Sorrentino (Temple University, USA), and Sharmin Yesmin (Temple University, USA)
Copyright: © 2009 |Pages: 8
DOI: 10.4018/978-1-59140-995-3.ch035
Abstract
Since the 1990s, the integration of GPS and GIS has become more and more popular and an industry standard in the GIS community worldwide. The increasing availability and affordability of mobile GIS and GPS, along with greater data accuracy and interoperability, will only ensure steady growth of this practice in the future. This chapter provides a brief background of GPS technology and its use in GIS, and then elaborates on the integration techniques of both technologies within their limitations. It also highlights data processing, transfer, and maintenance issues and future trends of this integration.
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