Heading for the Hills: Integrated GPS Vehicle Tracking Systems in Mountainous Areas

John W. Lavrakas

Abstract:	Vehicle tracking systems, also called automatic vehicle location (AVL) systems, have gained an impetus by the availability of low-cost GPS sensors. Communication and tracking problems are encountered in areas subject to signal masking. This paper will present options NSR has demonstrated for vehicle tracking systems operated both in mountainous and urban areas. It will examine the unique problems associated with GPS signal tracking and positioning accuracy with the use of inertial and dead reckoning sensors to supplement the GPS sensor.
Published in:	Proceedings of the 50th Annual Meeting of The Institute of Navigation (1994) June 6 - 8, 1994 Antlers Doubletree Hotel Colorado Springs, CO
Pages:	73 - 81
Cite this article:	Lavrakas, John W., "Heading for the Hills: Integrated GPS Vehicle Tracking Systems in Mountainous Areas," Proceedings of the 50th Annual Meeting of The Institute of Navigation (1994), Colorado Springs, CO, June 1994, pp. 73-81.
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