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16th SIRGAS School: “VLBI and SLR Data Processing”

The 16th SIRGAS School (San Juan, Argentina | Oct 27–Nov 1, 2025) will train professionals in VLBI and SLR data processing, strengthening geodetic capacities in Latin America through theory and practice at the Félix Aguilar Astronomical Observatory. Join us.
vlbi göteborg sweden
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IVTW2025 – 10th International VLBI Technology Workshop

This VLBI Workshop will be held October 21–25, 2025, at Chalmers University of Technology, Gothenburg, Sweden. It gathers global experts to discuss VLBI advancements, including station systems, recording, correlation, imaging, and space VLBI. Participants can visit Onsala Space Observatory and receiver clean rooms. Abstract submission closes September 1.
IAG website
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Welcome to the New IAG Website

We are excited to announce the official launch of the new IAG website geodesy.science. This launch marks a major milestone for the IAG and reflects our ambition to make geodesy more visible, accessible, and connected — both within the scientific…
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New RAEGE Station in Gran Canaria: A Milestone for Global Geodesy

The Spanish Ministry of Transport and Sustainable Mobility (MTMS) has officially begun the construction of the third RAEGE station on a site granted by the Cabildo of Gran Canaria to the National Geographic Institute (IGN) in March 2023.…
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Inauguration of the Onsala Twin Telescopes

The Onsala Space Observatory, Chalmers University of Technology, and the International VLBI Service for Geodesy and Astrometry (IVS) are proud to announce the ceremonial inauguration of a new pair of Twin Telescopes for geodetic and astrometric VLBI. More than 200 international and national guests, including veterans of the first transatlantic VLBI observations in 1968 as well as the regional governors and representatives of Chalmers, participated in the festivity on Thursday, 18 May 2017.
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IVS School on Very Long Baseline Interferometry

2nd IVS Training School on VLBI for Geodesy and Astrometry – Frank Lemoine, NASA Goddard Space Flight Center