High-Quality Products from GNSS data
Global Network of 500+ GNSS Stations
IGS Technical Report 2024 Now Available
View the annually published comprehensive overview of IGS activities
Why Join the IGS?
Learn more about the IGS and how to participate.
The IGS technical Committees and Pilot Projects work on topics of particular interest to the IGS, such as improving the IGS products and infrastructure.
Co-Chairs: Médéric Gravelle, Guy Wöppelmann; Est. 2001
Chair: Erik Schönemann; Est. 2017
Arturo Villiger, Chair Est. 2008
Chair: Peter Steigenberger; Est. 2003
Michael Coleman, Chair Est. 2003
Chair: Jianghui Geng; Est. 2025
Andrzej Krankowski, Chair Est. 1998
Chair: Jianghui Geng; Est. 2024
Markus Bradke, Coordinator
Axel Rülke, Chair Est. 2001
Paul Rebischung, Chair Est. 1999
Francesco Gini, Acting Chair Est. 2011
Bingbing Duan, Chair Est. 2011
Sharyl Byram, Chair Est. 1998
To streamline our social media communications, we are now only updating our IGS LinkedIn page: This X profile will remain for reference, but will no longer be updated.
International GNSS Service (IGS) | LinkedIn
International GNSS Service (IGS) | 2,989 followers on LinkedIn. Enabling a better understanding of the Earth through ...
www.linkedin.com
🌍 Discover the Importance of #TerrestrialReferenceFrames 🌍 @IAG_GGOS released a 2 min video on the crucial role of geodetic reference frames. Essential for science & society, enabling innovative, location-based apps.📽️ Watch now:
@iag_geodesy #UNGGCE
The IGS Technical Report for 2023 is now available!
➡ https://t.co/ppnjvbyLDZ
Published annually, IGS Technical Reports are a comprehensive overview of the activities undertaken by the IGS in a given calendar year.
#GNSS #GNSS4impact #geodesy #referenceframe #ITRF
🛰️The deadline to submit a proposal for the IGS Analysis Center Coordinator has been extended to 15 June, 2024.
↘️More info available at the "ACC Transition Information Hub" https://t.co/AYgSNU5mHA
#GNSS #GNSS4impact #GeodesyEnabled
A very crude offset estimation for @IGSorg station TWTF for the M7.4 earthquake in Taiwan. Due to the timing of the event, only a few 30-s GNSS samples are available after the earthquake near the UTC day boundary. ~20 cm southward motion with ~10 cm subsidence
Thanks to @NASAEarthData for profiling the work and accomplishments of the International GNSS Service (IGS) on its 30th Anniversary!
↘ Read the whole article on the EarthData website
#GNSS #GNSS4impact #GeodesyEnabled #Geodesy4impact
The IGS, a federation of more than 200 agencies, universities, and research institutions (including NASA's own #CDDIS) that produce high-precision #GNSS data products, is celebrating its 30th anniversary! #geodesy
➡️Learn about their accomplishments at: https://t.co/5jPsK5zfiw
In his new year's message, our Governing Board Chair, Rolf Dach of University of Bern Astronomical Institute, reflects on the 30th anniversary of the IGS ⬇
https://t.co/P8oRtmZdl4
#GNSS #Geodesy #GNSS4impact #GeodesyEnabled
Call for Nominations 📢 @IAG_GGOS requests nominations for the position of Director of the GGOS Bureau of Networks 🪩 and Observations 🔭(GGOS-BNO) ‼️ This is your chance to take on this important leadership role: https://t.co/FjEV5k1qhh
@iag_geodesy
🛰️Tomorrow at #AGU23, we invite you to discover the potential applications of @NASAJPL's Global Differential Global Positioning System (GD #GPS), from enhancing mobile phone positioning accuracy to #GeodesyEnabled natural hazard detection.
More info: https://t.co/dLOKCx0TPt
#SatelliteAltimetry operational geodetic #remotesensing measurement systems are fostering interdisciplinary research at the intersection of #climate and #geodesy. This Thursday at #AGU23, learn more: https://t.co/dLOKCx0lZV #Geodesy4impact #GeodesyEnabled #gnss4impact
REFAG 2026
IAG International Symposium on Reference Frames for Applications in Geosciences (REFAG2026) to be held on 2-4 March 2026, followed by the GGOS/IERS Unified Analysis Workshop (UAW2026) on 5-6 March 2026.
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