ACCURACY OF OMEGA/VLF RANGE-RATE MEASUREMENTS

Julian Wright

Peer Reviewed

Abstract: RECEPTION OF OMEGA or other VLF transmissions may be used to supplement Satellite Doppler navigation in two ways: 1) To provide velocity data for improved doppler fix accuracy. 2) To provide location data between satellite passes. These applications require VLF/Omega range-rate measurements based on time spans of the order of 15 minutes to several hours. Results of range-rate measurements relative to nine transmitters as received at Austin, Texas are presented here. Typical statistical results show two-thirds of the errors below 1/4 knot during periods of all-daylight propagation and below 3/4 knot during periods of all-nighttime propagation.
Published in: NAVIGATION, Journal of the Institute of Navigation, Volume 16, Number 1
Pages: 71 - 79
Cite this article: Wright, Julian, "ACCURACY OF OMEGA/VLF RANGE-RATE MEASUREMENTS", NAVIGATION, Journal of The Institute of Navigation, Vol. 16, No. 1, Spring 1969, pp. 71-79.
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