A method to calibrate the station coordinate using GGTTS files

Details A method to calibrate the station coordinate using GGTTS files A method to calibrate the station coordinate using GGTTS files

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002psao...25...28g&link_type=abstract

Publications of the Shaanxi Astronomical Observatory (ISSN 1001-1544), Vol. 25, No. 1, p. 28 - 34 (2002)

Astronomy and Astrophysics

Astronomy

Gps Common-View, Station Coordinates, Positioning

Scientific paper

The TAI is computed by BIPM from a set of atomic clocks distributed in about 50 time laboratories over the world. GPS has served the principal needs of timing laboratories for regular comparisons of remote atomic clocks to calculate TAI for the last two decades. The precise time comparison over intercontinental distance by GPS common-view require a consistent set of station coordinates. If the coordinate of antenna in time laboratory does not determined precisely, both the observation and the result of comparison will be badly influenced. The method for calibrating the station coordinates with GGTTS file and the test results are described here. The results indicate that there are obvious coordinate errors in the observation data of NRLM, CNM and UME in July, 2001.

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