Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989georl..16..695s&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 16, July 1989, p. 695-698. Research supported by DMA, NOAA, and U.S. Navy.
Astronomy and Astrophysics
Astronomy
4
Celestial Geodesy, Global Positioning System, Satellite Tracking, Deflection, Feasibility Analysis, Leveling, Mathematical Models
Scientific paper
The capabilities of the GPS for accurately determining geodetic quantities are well established. Nevertheless, no comparison between deflections of the vertical as determined through GPS with leveling and values conventionally computed by astrogeodetic methods has yet been published. This investigation demonstrates that accurate deflections of the vertical components along the geodetic meridian(eta) and prime vertical(xi) can be obtained independent of classical astronomic observations by combining geodetic leveling with satellite GPS positioning. The approach uses a radial configuration of baselines to determine the 'best' (in a least squares sense) values of (eta, xi) at the central station.
Carlson E. Jr. A.
Evans Alan G.
Soler Tomás
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