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Jakob Gruber @ VSC4

First IVS VGOS session successfully correlated at TU Wien


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For the first time, a 24h VGOS session of the International VLBI Service for Geodesy and Astrometry (IVS) was correlated at TU Wien. Eight globally distributed radio telescopes participated in session VO1021 on January 21, 2021, each observing quasars with a data rate of 8 Gbit/s. In total, more than 220 TByte had to be […]

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New software to simulate raw telescope data for VLBI


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Jakob Gruber has developed software to simulate raw telescope data for VLBI (VieRDS). Interested? The software is available via Github and the description with the mathematical background has just gone online as open access paper. @IVS_OOC

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First light on the VSC-4


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Just before Christmas, on December 20, 2019, 240 private cores of the VSC-4 dedicated for VLBI correlation could be used for the first time. This test showed that DiFX 2.6 and HOPS-2.20 could have been installed successfully on the most powerful supercomputer in Austria currently available.

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