Alan H. Phillips

Peer Reviewed

Abstract: A method of geometrically determining Position Dilution of Precision (PDOP) is given. The method gives an insight which is lacking in the purely mathematical determination. The method applies to 3-dimensional GPS fixes. With slight modification it can be applied to 2-dimensional GPS fixes, to 2-dimensional hyperbolic fixes, or to 2-dimensional range-range fixes. Practical examples are given, and the results are shown to agree with the purely mathematical determination.
Published in: NAVIGATION: Journal of the Institute of Navigation, Volume 31, Number 4
Pages: 329 - 337
Cite this article: Phillips, Alan H., "GEOMETRICAL DETERMINATION OF PDOP", NAVIGATION: Journal of The Institute of Navigation, Vol. 31, No. 4, Winter 1984-1985, pp. 329-337.
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