Jamming the GPS signal

Aron Pinker, David Walker, Charles Smith

Abstract:	GPS and WAAS provide low power signals that are susceptible to interference. The potential exists for a person or organization to jam GPS or WAAS sig-nals, causing a loss of service over a large area. Accidental interference by extraneous radio trans-missions on the GPS frequency also can cause loss of service. Jamming has become a serious issue for GPS and the U.S. military is making a significant effort to mitigate its effects. While jamming is a major concern of the military, interference is of a no lesser concern to the civilian sector. In fact, with varying emphasis both jamming and interference are concerns of the entire GPS user community. This paper explores the jamming and interference threats to the GPS. We provide a general overview of the GPS signal structure, discuss jamming effects on the GPS, and consider mitigating options.
Published in:	Proceedings of the 55th Annual Meeting of The Institute of Navigation (1999) June 27 - 30, 1999 Royal Sonesta Hotel Cambridge, MA
Pages:	829 - 837
Cite this article:	Pinker, Aron, Walker, David, Smith, Charles, "Jamming the GPS signal," Proceedings of the 55th Annual Meeting of The Institute of Navigation (1999), Cambridge, MA, June 1999, pp. 829-837.
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