Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979rarlj..26...13k&link_type=abstract
Radio Research Laboratories, Journal, vol. 26, Mar. 1979, p. 13-64.
Astronomy and Astrophysics
Astronomy
Radio Astronomy, Satellite Tracking, Technology Utilization, Very Long Base Interferometry, Antennas, Ats 1, Intelsat Satellites, Japan, Synchronism, Time Lag
Scientific paper
The first VLBI experiment in Japan was conducted in 1977 between Kashima and Yokosuka using antennas of 26 m and 12.8 m in diameter. The baseline length was about 121 km; the frequency range was 4180-4182 MHz; two types of radio source were used - geostationary satellites, such as ATS 1 and Intelsat IV, and celestial bodies, such as 3C273B. A resolution of 5 ns in determining delay time was obtained from the slope of the phase spectrum of ATS 1 data. The resolution of instrument delay in measuring was about 10 ns.
Kawajiri N.
Kawano Naomi
Koike Kenji
Ojima T.
Takahashi Fuminobu
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