David Last, Mark Searle, and Richard Farnworth

Peer Reviewed

Abstract: In August 1992, six European nations-Denmark, France, Germany, Ireland, The Netherlands, and Norway-signed an international agreement to establish a Loran-C system covering North-West Europe and the North Atlantic Ocean. The system will comprise nine stations (six existing and three new), arranged in four chains. In estimating the coverage this system will provide, the effects of signal attenuation, atmospheric noise, carrier-wave interference, skywave propagation, the change of envelope-to-cycle difference with range, and transmitter timing uncertainty have all been taken into account. Contours of repeatable accuracy have been predicted for conventional hyperbolic receivers, and for receivers that work in the newer semicircular, cross-chain, and master-independent modes. This paper explains the coverage prediction process and the assumptions made. It presents details of the final configuration of stations chosen from a number of alternatives and shows the predicted performance of the new system.
Published in: NAVIGATION: Journal of the Institute of Navigation, Volume 40, Number 3
Pages: 209 - 226
Cite this article: Last, David, Searle, Mark, Farnworth, Richard, "THE NORTH-WEST EUROPEAN LORAN-C SYSTEM: COVERAGE AND PERFORMANCE PREDICTIONS", NAVIGATION: Journal of The Institute of Navigation, Vol. 40, No. 3, Fall 1993, pp. 209-226.
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