The Role of GPS in Automatic Dependent Surveillance (ADS) and a Methodology for the Formulation of Requirements in That Role

Michael Ashbury and Rolf Johannessen

Abstract:	In Automatic Dependent Surveillance (ADS) the air traflic controller is presented with data on the aircraft position based on the aircraft’s own navigation instruments. This form of surveillance differs considerably from that of radar. The paper discusses these differences and considers in particular how GPS fits into the overall system. A methodology is then developed for determining the requirements from ADS in terms of availability and service continuity.
Published in:	Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995) September 12 - 15, 1995 Palm Springs, CA
Pages:	1383 - 1391
Cite this article:	Ashbury, Michael, Johannessen, Rolf, "The Role of GPS in Automatic Dependent Surveillance (ADS) and a Methodology for the Formulation of Requirements in That Role," Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995), Palm Springs, CA, September 1995, pp. 1383-1391.
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