Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent
1989-07-05
1990-09-04
Lobo, Ian J.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
364459, G01S 502
Patent
active
049548336
ABSTRACT:
An improved method for fixing position of a land-based target site with respect to a reference site in the natural coordinate frame comprising the steps of determining geodetic azimuth between the target site and the reference target using Global Positioning System (GPS) satellites and relative positioning survey techniques; then calculating a relationship using gravity vertical deflections; and then coverting the geodetic azimuth to astronomic azimuth. This method has several advantages over conventional methods of targeting, including speed, the ability to work in all weather conditions, and improved accuracy.
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Carter, et al., "The Accuracy of Astronomic Azimuth Determinations," Bull. eodetic Survey, vol. 52, #2, pp. 107-113, 1978.
Physical Geodesy, Heiskanen and Moritz, Freeman & Co., San Francisco, 1967, pp. 184-189.
"Dept. of Defense World Geodetic System-Its Definition & Relationships with Local Geodetic Systems," DMA TR 8350.2, Sep. '87.
Evans Alan G.
Stein William L.
Lewis John D.
Lobo Ian J.
The United States of America as represented by the Secretary of
Walden Kenneth E.
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