GPSNOTAM: A Demonstration System for GPS Status Notification

Paul M. Creamer, Kenneth A. Tench, Karen L. Van Dyke

Abstract:	The Federal Aviation Administration (FAA) is in the process of formulating procedures for the dissemination of NAVSTARI GPS-related navigation information to pilots and flight crews. Of particular interest to the FAA is the dissemination of times and locations where GPS does not meet minimum accuracy requirements for the enroute and non-precision approach phases of flight. The FAA is exploring new approaches for dissemination of this information. One likely approach is through the existing network of Flight Service Station (FSS) briefers. The FAA is currently establishing the requirements for a workstation which will display GPS navigation status information in a format which is useful to FSS briefers. To assist in the requirements definition process, the Transportation Systems Center (TSC), under the sponsorship of the FAA, supported the rapid prototyping of a demonstration workstation to be used by the FAA to solicit briefer and pilot reaction. GPSNOTAM, developed by The Analytic Sciences Corporation (TASC), is the result of this prototyping effort. This paper presents a set of strawman requirements developed for the workstation, the GPSNOTAM design developed to meet the strawman requirements, and a set of proposed future requirements for the workstation based in part on preliminary reaction to GPSNOTAM.
Published in:	Proceedings of the 45th Annual Meeting of The Institute of Navigation (1989) June 27 - 29, 1989 Alexandria, VA
Pages:	189 - 194
Cite this article:	Creamer, Paul M., Tench, Kenneth A., Van Dyke, Karen L., "GPSNOTAM: A Demonstration System for GPS Status Notification," Proceedings of the 45th Annual Meeting of The Institute of Navigation (1989), Alexandria, VA, June 1989, pp. 189-194.
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