GGOS monitors global changes through geodesy
The Global Geodetic Observing System (GGOS) of the International Association of Geodesy (IAG) provides the essential framework for accurate measurements and consistent modelling and interpretation of Earth system processes and interactions, including global change, Earth deformation, and mass exchange between and within the geosphere, biosphere, cryosphere, hydrosphere and atmosphere. GGOS provides a framework of geodetic observation infrastructure and expertise to analyze observational data and produce geodetic products that serve science and society.
GGOS Latest News
New Website: Discover the Importance of VLBI for Geodesy and Society
February 24, 2026/by adminIAG News – New Ways to Stay Connected
February 16, 2026/by Martin SehnalLast Call: Join the Geodesy Cartoon Competition Before March 22!
February 12, 2026/by adminTIGER Symposium in Geodesy 2026 – Abstract submission and registration open
February 4, 2026/by adminIDS Workshop, Wiesbaden, Germany, 23-25 June 2026
February 3, 2026/by adminREFAG2026: Early bird registration deadline – 15 December 2025
December 12, 2025/by adminTurn Your Holiday Creativity into a Geodesy Cartoon!
December 5, 2025/by adminOpen Call for Early Career Researchers – EPOS-GNSS TCS Participation in EPOS Days 2026
November 24, 2025/by adminGGOS Upcoming Events
Munich 2026 | REFAG Symposium + Unified Analysis Workshop UAW
2 March - 6 MarchLDBV – Landesamt für Digitalisierung, Breitband und VermessungGeodCon-26
11 March - 13 MarchIndian National Science Academy (INSA), New DelhiPhHS-IHRF2026 – Int. Symposium on Physical Height Systems and the IHRF
7 April - 9 AprilGeneral Authority for Survey and Geospatial Information (GEOSA)IAG Geodesy Reception 2026
5 May | 19:00 - 21:45 CEST BEV – Federal Office of Metrology and SurveyingIGS Workshop 2026
1 June - 5 JuneInterContinental Hotels SantiagoDon’t miss any News, Events or Jobs!
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IAG Related Organisations
IAG collaborates closely with numerous organizations within geodesy and beyond. See the list for details.
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References
This website is provided by the IAG Secretariat and the GGOS Coordinating Office, which are hosted by the BEV – Federal Office of Metrology and Surveying (Bundesamt für Eich- und Vermessungswesen) in Vienna, Austria.
Website Language Translation
The primary language of this website is English – however, the integrated GTranslate tool enables automatic translation into several languages:
Please note that translations into other languages may not be accurate. For reliable information, refer to the English version of the website.