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Accurate Three Dimensional Coordinates Measurements Using Differential GPS Real Time Kinematic Mode

Reyam R. Muhammed1 --- Alaa S. Mahdi

Iraqi Journal of Science المجلة العراقية للعلوم
ISSN: 00672904/23121637 Year: 2018 Volume: 59 Issue: 2C Pages: 1146-1151
Publisher: Baghdad University جامعة بغداد

Abstract

The accurate 3-D coordinate's measurements of the global positioning systems are essential in many fields and applications. The GPS has numerous applications such as: Frequency Counters, Geographic Information Systems, Intelligent Vehicle Highway Systems, Car Navigation Systems, Emergency Systems, Aviations, Astronomical Pointing Control, and Atmospheric Sounding using GPS signals, tracking of wild animals, GPS Aid for the Blind, Recorded Position Information, Airborne Gravimetry and other uses. In this paper, the RTK DGPS mode has been used to create precise 3-D coordinates values for four rover stations in Baghdad university camp. The HiPer-II Receiver of global positioning system was used to navigate the coordinate value. The results will be compare with the Google Earth viewer coordinates values, the comparison shows that absolute error was few millimeters between actual and measured coordinate's values.

Keywords

DGPS --- RTK --- GPS