International data transfer for space very long baseline interferometry

Details International data transfer for space very long baseline interferometry International data transfer for space very long baseline interferometry

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994smog.symp..169w&link_type=abstract

In NASA. Goddard Space Flight Center, Third International Symposium on Space Mission Operations and Ground Data Systems, Part 1

Astronomy and Astrophysics

Astronomy

Data Transfer (Computers), International Cooperation, Very Long Base Interferometry, Data Management, Data Systems, Downlinking, Ground Stations, Japanese Spacecraft, Russian Space Program, Tdr Satellites, Tracking Stations, Uplinking

Scientific paper

Space very long baseline interferometry (SVLBI) experiments using a TDRSS satellite have successfully demonstrated the capability of using spacecraft to extend the effective baseline length of VLBI observations beyond the diameter of the Earth, thereby improving the resolution for imaging of active galactic nuclei at centimeter wavelengths. As a result, two spacecraft dedicated to SVLBI, VSOP (Japan) and RadioAstron (Russia), are scheduled to be launched into high Earth orbit in 1996 and 1997. The success of these missions depends on the cooperation of the international community in providing support from ground tracking stations, ground radio telescopes, and correlation facilities. The timely exchange and monitoring of data among the participants requires a well-designed and automated international data transfer system. In this paper, we will discuss the design requirements, data types and flows, and the operational responsibilities associated with the SVLBI data transfer system.

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