Coordinate determination by a multiple-arm radiointerferometer using navigation-geodesic satellites

Details Coordinate determination by a multiple-arm radiointerferometer using navigation-geodesic satellites Coordinate determination by a multiple-arm radiointerferometer using navigation-geodesic satellites

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986kosis..24..466a&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 24, May-June 1986, p. 466-468. In Russian.

Physics

Geodetic Coordinates, Geodetic Surveys, Radio Interferometers, Satellite-Borne Instruments, Geodetic Accuracy, Geodetic Satellites, Navigation Satellites

Scientific paper

Reference is made to an earlier study (MacDoran, 1979) in which a method has been proposed for determining the coordinates of ground point by using a multiple-arm radiointerferometer observing four satellites. The method relies on step-by-step survey control, with the maximum distance between a new point and the reference points not exceeding 200 km. It is shown here that the requirement of step-by-step control can be avoided by using 5-6 reference point instead of four. Five reference points should be spaced apart by about 30 deg (3000 km), while the 6th point can be located 2-3 times closer. The mean value of the geometrical factor is 5-10; the accuracy of the new method is several decimeters less than that of the MacDoran method.

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