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Tag: GPS accuracy

Differential GPS and Other GPS Accuracy Improvement Systems

Less expensive, general purpose GPS receivers have an accuracy of about 10-20 meters ( 33 to 66 feet) which is too inaccurate for many GPS applications for example, vehicle GPS tracking systems. There are a number of techniques used to improve GPS accuracy. Nationwide Differential Global Positioning System (NDGPS) improves GPS navigational accuracy to a range of 1 to 3 meter (10 feet). The concept underlying differential GPS is the […]

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