The S2 Geodetic VLBI Program in Canada: System Validation Experiments and Results

Details The S2 Geodetic VLBI Program in Canada: System Validation Experiments and Results The S2 Geodetic VLBI Program in Canada: System Validation Experiments and Results

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ivsg.conf..173k&link_type=abstract

International VLBI Service for Geodesy and Astrometry 2000 General Meeting Proceedings, edited by Nancy R. Vandenberg and Karen

Astronomy and Astrophysics

Astronomy

Scientific paper

In this report we discuss a number of 52 geodetic system validation experiments and their results. These experiments are those in which we use one or more VLBI baselines, observe a number of geodetic radio sources (full sky coverage) and use frequency-switching to achieve bandwidth synthesis. The experiments performed to date used the three geodetic antennas in Canada: ALGOPARK, YEL07296 and the Canadian Transportable VLBI Antenna (CTVA). ALGOPARK and YEL07296 are IVS Network stations, while the CTVA is a 3.6 m antenna being operated as part of the development center activities [2]. Each of the three antennas is equipped with an 52 RT, an 52 DAS, a PC Field System computer and a hydrogen maser frequency standard. The 52 Recording Terminal (RT) is a well established VLBI recording system utilizing an array of eight commercial video cassette recorder (VCR) transports to record at rates of up to 128 Mbits/sec. The focus of much recent activity is the frequency-switching 52 Data Acquisition System (DAS). Currently the DAS systems in use utilize two baseband converters and switch frequencies in order to synthesize a larger bandwidth [1]. Correlation is done at the Canadian 52 Correlator, which is currently configured with six playback terminals.

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