COMMENTS ON "PERFORMANCE ANALYSIS OF A TIGHTLY COUPLED GPS/INERTIAL SYSTEM FOR TWO INTEGRITY MONITORING METHODS"

J. L. Farrell, Frank van Graas, and Robert K. Anoll

Peer Reviewed

Abstract:	The paper by Lee and O’Laughlin 1 presents an analysis of the coast capability of GPS/inertial navigation system (INS) systems after all updates have been withdrawn for extended periods. In the summary, coast durations of up to 30 min are claimed without violating a 0.3 nmi allowable error limit at 95 percent probability. We believe the industry has now been given an unwarranted sense of security, especially in view of very real jamming possibilities.
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 48, Number 2
Pages:	131 - 132
Cite this article:	Farrell, J. L., van Graas, Frank, Anoll, Robert K., "COMMENTS ON "PERFORMANCE ANALYSIS OF A TIGHTLY COUPLED GPS/INERTIAL SYSTEM FOR TWO INTEGRITY MONITORING METHODS"", NAVIGATION: Journal of The Institute of Navigation, Vol. 48, No. 2, Summer 2001, pp. 131-132.
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