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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(...)

IAG/CPGPS International Conference on GNSS+ (ICG+ 2016)

Nowadays, multi-Global Navigation Satellite Systems (GNSS) have been developed and widely used, including US\'s GPS, Russia\'s GLONASS, China\'s BeiDou and EU\'s Galileo as well as regional systems, such as Japan\'s QZSS and India\'s IRNSS. The IAG/CPGPS International Conference on GNSS+ (ICG+2016) was held at the Shanghai Astronomical Observatory, CAS, July 27-30, 2016, Shanghai, China. The recent advances, opportunities and challenges on GNSS were presented and discussed, i(...)

Milestone for global geodesy

The UN calls for enhanced cooperation on global geodesy. At the UN-GGIM sixth session in New York in August, the UN Committee of Experts on Global Geospatial Information Management endorsed the GGRF Roadmap and decided to establish a permanent Sub-Committee on Geodesy. \"This is a significant milestone for global geodesy. It sends a very clear message to member states, and other global geodetic entities, that the focus on enhancement of geodetic reference frames should b(...)

IVS School on Very Long Baseline Interferometry

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

The ITRF 2014 has been published

ITRF2014, released January 21, 2016. By Zuheir Altamimi, IGN France, IAG Vice-President The new version of the International Terrestrial Reference Frame (ITRF) was released in January 21, 2016, and is available at the dedicated website: http://itrf.ign.fr/ITRF_solutions/2014/. As recognized by the United Nations General Assembly resolution on the Global Geodetic Reference Frame for Sustainable Development ((...)

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