News

Vienna VLBI group participates in EGU Sharing Geoscience Online


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While the physical general assembly of the European Geosciences Union (EGU) in Vienna in the first week in May 2020 was cancelled for the COVID19 pandemic, an event called Sharing Geoscience Onine (SGO) was organized instead. In the mostly text-chat-based sessions, we had several contributions. You can find the displays on EGUSphere and in the […]

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IVS Newsletter


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The IVS newsletter features, besides other important topics, VGOS correlation activities at TU Wien carried out by Jakob. Enjoy reading!

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VGOS sessions scheduled in Wien


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VieSched++, the new VieVS scheduling module, is used by Matthias Schartner for the generation of VGOS schedules for the International VLBI Service for Geodesy and Astrometry (IVS). Scientific investigations on optimizing VGOS schedules are published in Journal of Geodesy.

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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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PhD Defense Matthias Schartner


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On December 17, 2019, Matthias Schartner successfully defended his PhD thesis on scheduling VLBI observations. John Gipson, Axel Nothnagel, and Johannes Böhm challenged him with difficult questions, but Matthias masterfully answered all. Congratulations!

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VLBI discussions with John Gipson


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On the occasion of Matthias’ PhD defense, John Gipson from NVI/NASA GSFC visited the Vienna VLBI group. We took the chance to discuss the next steps for the generation of ITRF2020.

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Andreas Hellerschmied receives Karl Rinner Award


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On October 22, 2019, Andreas Hellerschmied was awarded the Karl Rinner Award by the Austrian Geodetic Kommission (ÖGK) for the publication on VLBI observations to the APOD satellite in the Journal Sensors in 2018. Congratulations, Andi!

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Visit of NVI group at NASA Goddard Space Flight Center


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This week, Matthias Schartner is visiting the VLBI group of the NASA Goddard Space Flight Center in Maryland, USA. The main purpose of this trip to demonstrate and teach how to use VieSched++ and VieVS together to generate high-quality VLBI schedules and Monte-Carlo simulations. Additionally, several other people from USNO and Haystack (MIT) took the […]

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VieVS days – day 3


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The third and final day of the VieVS days was devoted to the analysis of VGOS sessions as demonstrated by Markus and the presentation of the VieVS baseband simulator by Jakob. The first VieVS days in our new home – the Freihaus – went very well and will certainly find continuation in 2020.

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VieVS days – day 2


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The second day of the VieVS days is dedicated to scheduling with VieSched++. Matthias explains the intricacies of scheduling with his easy-to-use software package.

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