Integrated GPS/Loran Navigation Sensor For Aviation Applications

J.H. Doty, P.Y. Hwang, G.L. Roth, M.J. Narins

Abstract:	This paper describes a successful program, sponsored by the FAA, to develop an integrated GPS/Loran receiver and an integrated GPS/Loran antenna for flight demonstration and data collection. Described are the program structure and roles played by Rockwell Collins, Inc. and Locus, Inc., and the design approach and system integration architecture for the receiver. The performance and characteristics of alternative integration approaches are compared and the results of ground and flight testing are discussed. The paper also describes how the Rockwell Collins RAIM-FDE fault detection and exclusion algorithms were extended to incorporate the Loran data to derive a horizontal position protection bound for the GPS/Loran position, and how the GPS and Loran data are integrated to reduce Loran ASF errors while still maintaining a high integrity position solution.
Published in:	Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003) September 9 - 12, 2003 Oregon Convention Center Portland, OR
Pages:	470 - 479
Cite this article:	Doty, J.H., Hwang, P.Y., Roth, G.L., Narins, M.J., "Integrated GPS/Loran Navigation Sensor For Aviation Applications," Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003), Portland, OR, September 2003, pp. 470-479.
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