Phase III GPS Manpack Receiver Operation and Navigation Performance

Larry D. Synstelien and Theodore C. Dass III

Abstract:	One of the earliest practical navigation demonstrations of GPS was the flight of a Rockwell-owned Sabreliner from Cedar Rapids, Iowa, to the Paris Air show in May of 1983. The receiver used was a single channel Phase II Manpack receiver which provided position information to the air navigation computer. Since this historic flight, much effort has been made toward redesigning, refining and testing both the software and hardware to make the Phase III Manpack a high volume, production quality receiver. This paper will present performance data using a PPS authorized Manpack receiver in various practical land and air applications. First, coordinates given by the Manpack receiver will be compared to the coordinates of independently surveyed locations. This data will show operation in environments with and without Continuous Wave (CW) jamming. In addition, since the receiver will be Precise Positioning Service (PPS) authorized, results from live satellite tracking on Y-code with compensation for Selective Availability (SA) perturbations will be included. Second, performance in a vehicular application will be examined by comparing Manpack performance to known positions. Lastly, performance results from a low dynamics flight environment will be compared to results from VHF Omni Range (VOR)/ Distance Measuring Equipment (DME) navigation. The data confirms that the Manpack allows both manned, portable and vehicular worldwide navigation in various environments.
Published in:	Proceedings of the 1990 National Technical Meeting of The Institute of Navigation January 23 - 25, 1990 Princess Resort Hotel San Diego, CA
Pages:	95 - 104
Cite this article:	Synstelien, Larry D., Dass, Theodore C., III, "Phase III GPS Manpack Receiver Operation and Navigation Performance," Proceedings of the 1990 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 1990, pp. 95-104.
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