THE LEAR SELF-CORRECTING AUTOMATIC NAVIGATOR (SCAN)

D. J. Green

Peer Reviewed

Abstract:	To this time all dead reckoning or position indicating systems for moving vehicles have belonged to either of two types: The selfcontained or the externally referenced. The method herein discloses an advanced technique for utilizing the best features of each of the classical methods so as to greatly enhance accuracy and to avoid, or greatly minimize, the deficiencies of each. The method will be termed the Lear Self-Correcting Auto Navigator, or briefly the SCAN method. The SCAN technique is concerned with the interconnection of a self-contained dead reckoning instrumentation with a ground referenced position indicating system of the radio type. The concept involved is a fundamental departure from current techniques, although as will be shown, the instrumentation can be achieved by relatively simple and conventional methods. The new principles concerned are primarily from the fields of statistical processes and information theory; these applications will be discussed in the following treatment.
Published in:	NAVIGATION: Journal of the Institute of Navigation, Volume 5, Number 4
Pages:	182 - 192
Cite this article:	Green, D. J., "THE LEAR SELF-CORRECTING AUTOMATIC NAVIGATOR (SCAN)", NAVIGATION: Journal of The Institute of Navigation, Vol. 5, No. 4, 1956-1957, pp. 182-192.
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