Airport Pseuodolite for Precision Approach Applications

Chris Bartone, Frank van Graas

Abstract:	This paper discusses with the integration of airport/ship pseudolites (APLs) into a local area augmented differential GPS (dGPS) based precision approach system. The paper outlines generic challenges with airport pseudolites in these high accuracy applications, introduces the concept of a multipath limiting antenna (MLA) for APL applications, presents APL power link and error budgets, as well as, data pertaining to APL error characterization. Additionrd topics include APL signal structure factors, ground multipath, power and error budget parameters, electromagnetic interference with nominal dGPS performance, operating range, frequency of operation, and logistic considerations pertaining to the implementation, operation, and maintenance of the system.
Published in:	Proceedings of the 10th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1997) September 16 - 19, 1997 Kansas City, MO
Pages:	1841 - 1850
Cite this article:	Bartone, Chris, van Graas, Frank, "Airport Pseuodolite for Precision Approach Applications," Proceedings of the 10th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1997), Kansas City, MO, September 1997, pp. 1841-1850.
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