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Canadian Geophysical Union 2026 Scientific Meeting – Call for Abstracts

The Canadian Geophysical Union (CGU) announces the opening of abstract submissions for the 2026 Scientific Meeting, to be held May 24–27, 2026, in Halifax, Canada. The Geodesy Section will offer a comprehensive program covering advances in gravity field modelling, geoid and height system modernization, GNSS/GNSS-IR, InSAR, geodynamics, deformation monitoring, satellite missions, and innovations in gravimetry. International contributions from the IAG community are encouraged. Travel support for students and Early Career Researchers is available. The abstract submission deadline is January 10, 2026.
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New IAG Publications | Geodesist’s Handbook 2024 & IAG Travaux 2023–2025

The IAG has released two flagship open-access references: the Geodesist’s Handbook 2024 and the IAG Travaux Report 2023–2025. The Handbook presents IAG statutes, structure, officers, and planned scientific activities, while the Travaux documents scientific and organizational progress across all IAG components. Both volumes provide DOIs for the full work and for each chapter, supporting precise citation and strengthening the international visibility of IAG activities.
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From Struve to Space: 11th Nordic Geodetic Commission Summer School held in Estonia 2025

The Nordic Geodetic Commission’s 11th Summer School "From Struve to Space" gathered 61 participants from 13 countries in Tartu, Estonia (Aug 25–29, 2025). Hosted for the first time on the Baltic shore, the event blended history and innovation — exploring GNSS, machine learning, and geodesy’s future. A collegial, inspiring setting connected young researchers with Struve’s scientific legacy.
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IAG Honors Outstanding Contributions in Geodesy: Awardees of 2023 and 2024

The International Association of Geodesy (IAG) has honored four outstanding scientists with its Young Author’s and Best Reviewer’s Awards for 2023 and 2024. The recipients are Dr. Safoora Zaminpardaz, Dr. Justyna Śliwińska-Bronowicz, Dr. Bailing Li, and Dr. Judit Benedek. These awards recognize excellence in scientific research and dedicated service to the geodetic community worldwide.
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Satellite Laser Ranging – How SLR Powers Geodesy

Discover Satellite Laser Ranging (SLR) – lasers from ground stations measure satellite and Moon positions with millimeter precision. SLR supports the Terrestrial Reference Frame, tracks Earth rotation, tectonic motion, improves gravity and sea level models, and tests relativity. Explore the science behind these precision measurements in our Geodesy Cartoon.
Geodesy Cartoon
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Lost Without Geodesy

What happens if geodesy disappears? Phones, planes, and warning systems would fail. Our cartoon “Lost Without Geodesy” shows how vital this invisible science is. Geodesy powers GNSS, enabling precise positioning, earthquake monitoring, sea level studies, and more. Without it, GNSS would drift and global systems would collapse.
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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Announcement of 3rd IAG Commission 4 Symposium

The 3rd International Symposium of IAG Commission 4: Positioning and Applications will take place from 13 to 15 May 2025 in Wuhan, China.