SOLE MEANS NAVIGATION THROUGH HYBRID LORAN-C AND GPS

Frank van Graas

Peer Reviewed

Abstract:	A minimum of four GPS range measurements or two Loran-C time differences are normally required for a position solution for en route navigation, area navigation, and nonprecision approaches. This paper describes a new technique that hybridizes GPS and Loran-C used in the pseudorange mode to process efficiently all available navigation information. Emphasis is placed on combined GPS and Loran-C timing, both for the ground/space facilities and the user. The hybrid system has the potential to solve the GPS and Loran-C integrity problems; more range measurements are available than are required for the navigation solution.
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 35, Number 2
Pages:	147 - 160
Cite this article:	van Graas, Frank, "SOLE MEANS NAVIGATION THROUGH HYBRID LORAN-C AND GPS", NAVIGATION: Journal of The Institute of Navigation, Vol. 35, No. 2, Summer 1988, pp. 147-160.
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