NAVIGATION AND CONTROL FROM LORAN-C

Loren E. deGroot

Peer Reviewed

Abstract:	The position fixing capability of the Loran system has been well recognized for use in transport aircraft as a navigation system monitor. The role of Loran-C as a navigation and control system has not been recognized, however, primarily because of the unwieldly time difference coordinates of the system. With the successful development of cockpit operable auto-track receivers and proof of the feasibility of automatic coordinate conversion, it now becomes possible to discuss the potential of Loran-C as a system capable of providing navigation control in the horizontal plane. To this end, three separate tracks across the North Atlantic area are analyzed to show the accuracy of positional, track and steering information that is available from the proper processing of Loran-C signals. From the analysis, it is evident that within its coverage area the system is capable of being used as a primary navigation system or, on a supersonic transport, it can be used in conjunction with an inertial navigator to obtain dual operational redundancy of the navigation systems.
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 11, Number 3
Pages:	213 - 227
Cite this article:	deGroot, Loren E., "NAVIGATION AND CONTROL FROM LORAN-C", NAVIGATION: Journal of The Institute of Navigation, Vol. 11, No. 3, Fall 1964, pp. 213-227.
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