Methodologies sufficient to monitor GPS satellite orbit ephemeris for category I aircraft precision approach navigation are described. In the absence of a satellite maneuver, it is shown that a monitor based on the projection of previously validated ephemeris parameters is adequate to meet navigation integrity and availability requirements. After scheduled stationkeeping maneuvers, no previously validated ephemerides are available, so a measurement-based method is required. The feasibility of such a monitor is also established.
Orbit ephemeris monitors for local area differential GPS
IEEE Transactions on Aerospace and Electronic Systems ; 41 , 2 ; 449-460
2005-04-01
1714413 byte
Article (Journal)
Electronic Resource
English
Orbit Ephemeris Monitors for Local Area Differential GPS
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