AVAILABILITY ASSESSMENT OF ALTERNATIVE CATEGORY I PRECISION APPROACH AND LANDING SYSTEM ARCHITECTURES

Kelly R. Markin, Peter J. Wroblewski, T. Thomas Hsiao, and Walter A. Poor

Peer Reviewed

Abstract:	This paper presents results of a comparative assessment of the availability of alternative differential GPS (DGPS) precision approach and landing system architectures. The baseline availability for comparison is developed based on the performance of the current Instrument Landing System (ILS). The analysis addresses the number and positioning of geostationary satellites that are needed to achieve the availability requirements and identifies a possible role for pseudolites. Analysis of temporal availability characteristtcs of DGP!3 provides additional operational insight.
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 41, Number 3
Pages:	353 - 366
Cite this article:	Markin, Kelly R., Wroblewski, Peter J., Hsiao, T. Thomas, Poor, Walter A., "AVAILABILITY ASSESSMENT OF ALTERNATIVE CATEGORY I PRECISION APPROACH AND LANDING SYSTEM ARCHITECTURES", NAVIGATION: Journal of The Institute of Navigation, Vol. 41, No. 3, Fall 1994, pp. 353-366.
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