Results of Real-Time Testing & Demonstration of the U.S. Army Corps of Engineers Real-Time On-The-Fly Positioning System

Sally L. Frodge, Benjamin Remondi, Dariusz Lapucha

Abstract:	The U. S. Army Corps of Engineers has been developing a GPS carrier phase based positioning system for hydrogmphic surveying and dredging since 1988. This system provides real-time three dimensional positions with horizontal and vertical accuracies better than one decimeter over ranges up to 20 kilometers from a single reference station without static initialization. The project has passed from concept development through feasibility studies, system analysis, resolution of carrier ambiguities on- the-fly (CYTF), to final system integration. The real- time testing of the system began in March of 1993 and public demonstrations of the system began in October, 1993. Testing of the system has been performed under varying operating conditions to evaluate the limits of CYTF ambiguity resolution for precisely positioning moving platforms. Tests have shown that this system is capable of l-3 centimeters in all three dimensions. This paper will summarize the results of the testing to date and briefly describe the OTF system.
Published in:	Proceedings of the 1994 National Technical Meeting of The Institute of Navigation January 24 - 26, 1994 Catamaran Resort Hotel San Diego, CA
Pages:	883 - 892
Cite this article:	Frodge, Sally L., Remondi, Benjamin, Lapucha, Dariusz, "Results of Real-Time Testing & Demonstration of the U.S. Army Corps of Engineers Real-Time On-The-Fly Positioning System," Proceedings of the 1994 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 1994, pp. 883-892.
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