IAG Updates
International Association of Geodesy
November 2025
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🌍 General and Geodesy Insights
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The Global Geodetic Observing System (GGOS) invites contributions to Session G2.2 “New Technologies for the Global Geodetic Observing System (GGOS)” at the EGU General Assembly 2026 in Vienna. This session will highlight innovations and advances in geodetic observing systems for monitoring Earth’s geometry, gravity, and rotation. Topics include emerging technologies such as relativistic geodesy, quantum sensors, next-generation laser systems, LEO-based positioning, navigation and timing (PNT), and other forward-looking geodetic techniques. The session also welcomes contributions on general GGOS developments, new observatory concepts, and strategies to enhance the global geodetic infrastructure. Join us in shaping the future of geodesy and exploring how cutting-edge technology can strengthen GGOS’s role in observing and understanding our dynamic planet. Abstract Deadline: 15 January 2026, 13:00 CET
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Categories: GGOS, Other, 📅 Event Update
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The GGOS Days 2025 took place on 3–5 September within the IAG2025 Scientific Assembly in Rimini, Italy. The event featured five symposia and a highlight session on global geodetic infrastructure, standardization, regional collaboration, AI, space weather, and geohazards. Sessions on Geodesy for Society emphasized data management, policy engagement, and communication, highlighting geodesy’s role in sustainable development. The GGOS Governing Board and Science Panel met in hybrid format to review the implementation plan, update outreach materials, and coordinate capacity-building efforts. Read the full report for details.
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Categories: GGOS, 📅 Event Update
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We will be hosting the TIGER Symposium in Geodesy 2026 in Gävle, Sweden. The symposium is organized by the International Association of Geodesy (IAG) Commission 3 and will bring together scientists working on Earth rotation, geodynamics, crustal deformation, and related fields, fostering collaboration across the many disciplines that study the Earth’s dynamic behaviour with geodetic methods and datasets. Please save …
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Categories: Com3, IAG, IERS, IGETS, IGFS, 📅 Event Update
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Want to read this monthly news as a PDF?
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Events in next 6 months:
| Date | Event | Affiliation |
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| January 27, 2026 | Webinar – AI For GNSS Remote Sensing | GGOS | | February 3, 2026 | “Talks on GIA” seminar 3 | Commission 3 | | March 2-6, 2026 | Munich 2026 | REFAG Symposium + Unified Analysis Workshop UAW | Commission 1, GGOS, IAG Services, IERS | | March 16-20, 2026 | EPOS days 2026 | Commission 3, IAGA, IASPEI, IAVCEI, IGETS, IGS, 🌐 Other, 📚 Education & Training | | April 7-9, 2026 | PhHS-IHRF2026 – Int. Symposium on Physical Height Systems and the IHRF | Commission 2, GGOS, IGFS | | April 12-17, 2026 | 14th IVS General Meeting | IVS | | April 28-30, 2026 | ENC2026 European Navigation Conference | Commission 4, IGS, 🌐 Other | | May 3-8, 2026 | EGU General Assembly 2026 | EGU | | May 5, 2026 | IAG Geodesy Reception 2026 | ECS, EGU, GGOS, IAG | | May 24-29, 2026 | JpGU-AGU Joint Meeting 2026 | AGU | | May 24-29, 2026 | FIG CONGRESS 2026 | FIG | | June 1-5, 2026 | IGS Workshop 2026 | GGOS, IAG Services, IGS | | June 3-5, 2026 | EU-wide Community Workshop on Quantum Gravimetry | Commission 2, Projet QuGe | | June 23-25, 2026 | EUREF Symposium 2026 | Commission 1 |
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International Asscociation of Geodesy - IAG
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