FAA GPS RFI Mitigation Program

Michael Geyer and Robert Frazier

Abstract:	This paper describes the Federal Aviation Administration (FAA) GPS radio frequency interference (RFI) mitigation program from its inception in 1993 to the present time. Early program efforts focused on RFI prevention, by developing standards for GPS receivers and potential RFI sources. Several sets of laboratory and field tests were conducted to help formulate these standards. Subsequent-ly a GPS signal environment monitoring system was developed, to identify unanticipated interference sources. In preparation for GPS becoming a sole-means navigation system, airborne and ground-based RFI localization sys-tems development efforts were initiated. Work on pro-cedures for responding to an RFI incident (e.g., for air traffic management) was also begun. Concurrent with these activities, national and international policies were established which ensure that the existing L1 and planned L5 signals will have the same protection as other Aero-nautical Radio Navigation Services (ARNS) signals.
Published in:	Proceedings of the 12th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1999) September 14 - 17, 1999 Nashville, TN
Pages:	107 - 114
Cite this article:	Geyer, Michael, Frazier, Robert, "FAA GPS RFI Mitigation Program," Proceedings of the 12th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1999), Nashville, TN, September 1999, pp. 107-114.
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