The first US-Japan VLBI test observation by use of K-3 system at the Radio Research Laboratories

Details The first US-Japan VLBI test observation by use of K-3 system at the Radio Research Laboratories The first US-Japan VLBI test observation by use of K-3 system at the Radio Research Laboratories

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984rarlj..31...31s&link_type=abstract

Radio Research Laboratories, Journal (ISSN 0033-8001), vol. 31, March 1984, p. 31-37.

Astronomy and Astrophysics

Astronomy

Computer Techniques, Radio Astronomy, Very Long Base Interferometry, Correlation, Data Acquisition, Japanese Space Program, Nasa Programs, Radio Antennas, Systems Integration

Scientific paper

The first test observation by the K-3 VLBI system is reported. The K-3 has an altitude-azimuth driving mount, and the reference point for VLBI observation is the intersection of the azimuth and altitude axes. The IF channels consist of eight low-frequency channels (90-230 MHz), and eight high-frequency channels (200-520 MHz) which are followed by 14 video converters. The system is designed to be compatible with the Mark-III system of the U.S. for the purpose of a joint U.S.-Japan experiment. The purpose of the test observation was to check generalized system performance and compatibility with the Mark-III system. Preliminary results show that internal error in the test observation was better than 20 cm for the X, Y and Z components and distance, and better than 1 ns for clock synchronization. K-3 VLBI was also found to be highly compatible with the Mark-III system.

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