Global Positioning System Differential Navigation Tests at the Yuma Proving Ground

The Global Positioning System (GPS) Joint Program Office has conducted the majority of user equipment testing at the U.S. Army Yuma Proving Ground (YPG), Yuma, Arizona. This paper briefly reviews the history of GPS testing at YPG, describes the major assets of the test range and presents the results of dynamic and static differential GPS tests conducted at YPG.