LOCATING DOWNED AIRCRAFT BY GRAN (GLOBAL RESCUE ALARM NET)

W. R. Crattford and W. E. Rupp, Jr.

Peer Reviewed

Abstract:	This paper describes a worldwide distress alarm, identification, and position location system which could be operational within three years. The Global Rescue Alarm Net (GRAN) feasibility tests conducted by the Naval Air Test Center utilized a NASA Omega Position Locating Equipment (OPLE) package modified for the UHF operation. Results of low power (ERP) tests with four satellites are discussed. Follow-on tests already funded by a Navy/ NASA/Coast Guard joint program to develop system specifications are described.
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 19, Number 4
Pages:	311 - 316
Cite this article:	Crattford, W. R., Rupp, W. E., Jr.,, "LOCATING DOWNED AIRCRAFT BY GRAN (GLOBAL RESCUE ALARM NET)", NAVIGATION: Journal of The Institute of Navigation, Vol. 19, No. 4, Winter 1972-1973, pp. 311-316.
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