Computer Science
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986bgeod..60..205b&link_type=abstract
Bulletin Geodesique (ISSN 0007-4632), vol. 60, no. 3, 1986, p. 205-220.
Computer Science
Carrier Waves, Global Positioning System, Orbit Calculation, Satellite Orbits, Orbital Elements, Precision, Radiation Pressure
Scientific paper
Techniques for calculating GPS orbits from double-difference carrier-phase measurements are described and demonstrated. The data analysis procedure comprises estimation of the receiver clock corrections (vis a vis GPS time) and estimation of the orbital parameters from the carrier-phase data (using a force-field model which includes GEM-10 earth-potential coefficients up to degree and order 8, sun and moon gravitation, and radiation pressure). This method is applied to data obtained at five U.S. stations during the March 1985 High-Precision Baseline Test, and preliminary results (without weather data) are presented in tables. Orbital accuracy of order 0.1 ppm and ground-station position accuracy about 5 cm for longitude and latitude and 10 cm for height are obtained.
Bauersima I.
Beutler Gerhard
Gurtner Werner
Rothacher Marcus
Schildknecht Thomas
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