VLBI Determinations of Local Telescope Displacements

Details VLBI Determinations of Local Telescope Displacements VLBI Determinations of Local Telescope Displacements

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ivsg.conf..133h&link_type=abstract

International VLBI Service for Geodesy and Astrometry: 2000 General Meeting Proceedings, p. 133

Astronomy and Astrophysics

Astronomy

Geodetic Surveys, Radio Telescopes, Position Errors, Very Long Base Interferometry, Displacement, Maintenance, Wheels

Scientific paper

At three telescopes involved in the European geodetic VLBI network, track and wheel repair work had to be performed during 1996 and 1997, possibly changing the positions of the geodetic reference points. In order to monitor these changes conventional geodetic surveys have been done with respect to the local geodetic footprints of the telescopes. Knowledge of the position and possible change of position of the geodetic reference point of a telescope is of great importance for the geophysical interpretation of the results obtained from geodetic VLBI. In our paper we derive the changes of the geodetic reference points directly from the VLBI data observed in the European geodetic VLBI network and compare our results to the ones obtained by conventional geodetic surveys.

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