Real-time VLBI

A press release from CSIRO (AU) tells us that for the first time radio astronomers have linked up telescopes in Australia, China and Europe to form a Very Long Baseline Interferometry array that was nearly the size of the earth, in REAL TIME!  This is a significant achievement, as prior  VLBI efforts required the use of taped data synchronized to time signals from atomic clocks being post-processed at a data center.  The real-time VLBI array used 256Megabit data streams to link up the telescopes and the data center in China. 

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