• Vienna Center for VLBI

    The Vienna Center for VLBI is a joint effort by TU Wien and Austria's Federal Agency for Metrology and Surveying (BEV).

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  • Geodetic Very Long Baseline Interferometry

    Very Long Baseline Interferometry (VLBI) is a microwave-based technique that evolved from radio astronomy in the early 1970s. Nowadays, VLBI is a major space-geodetic technique, indispensable for geodesy.

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  • Unique Geodetic Products

    VLBI delivers unique geodetic products that play indispensable roles for science and society.

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  • Where are we?

    VLBI uniquely contributes to the most precise and stable reference frames, which are fundamental for numerous applications - from navigation to global change monitoring.

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  • Precise timing!

    VLBI is the only operational technique to determine the Universal Time UT1 that reflects the Earth's rotation behavior. Precisely knowing this parameter is essentiual for navigation systems, such as ESA's Galileo.

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  • Extragalactic benchmarks

    Bright radio sources located at the edge of the universe - billions of light-years from Earth - serve as ultra-stable benchmarks that are observed by VLBI.

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Scheduling: generating highly sophisticated VLBI observation schedules

Our new scheduling software VieSched++ smoothly connects observation planning with simulations to generate the best schedules for your specific purposes.

Scheduling Center

Correlation: Processing raw data records to derive delay observables

The VSC has the capacities to process vast amounts of raw observation data. The derived quantities are the basis for geodetic parameter estimation.

Correlation Center

Analysis: Estimation of geodetic products

Using our in-house software suite VieVS for the analysis of VLBI sessions gives us great flexibility at estimating high quality geodetic parameters.

Analysis Center

Latest News

VGOS sessions scheduled in Wien

VGOS sessions scheduled in Wien

VieSched++, the new VieVS scheduling module, is used by Matthias Schartner for the generation of VGOS schedules for the International…

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First light on the VSC-4

First light on the VSC-4

Just before Christmas, on December 20, 2019, 240 private cores of the VSC-4 dedicated for VLBI correlation could be used…

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PhD Defense Matthias Schartner

PhD Defense Matthias Schartner

On December 17, 2019, Matthias Schartner successfully defended his PhD thesis on scheduling VLBI observations. John Gipson, Axel Nothnagel, and…

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Team Members

Hana Krásná

Senior Scientist

Axel Nothnagel

Consultant

Lisa Kern

Student Assistant

Markus Mikschi

Student Assistant

Sigrid Böhm

University Assistant

Helene Wolf

Student Assistant

Matthias Schartner

Researcher

Jakob Gruber

University-Assistant

Johannes Böhm

Professor

David Mayer

Researcher

Anna Zessner-Spitzenberg

Student Assistant