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In Memoriam: Professor Byron D. Tapley (1933–2026)

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Professor Byron Tapley (1932–2026), pioneer of space geodesy and GRACE Principal Investigator, passed away. He transformed Earth observation and satellite gravimetry. His scientific leadership, mentorship and legacy shaped generations worldwide.

Celebrating 160 Years Chair of Higher Geodesy at TU Wien

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TU Wien marked 160 years since Josef Herr’s appointment as first professor of Higher Geodesy and Spherical Astronomy with a homecoming event for about 70 former colleagues and students.

TIGER Symposium in Geodesy 2026 – Programme online and early-bird deadline approaching

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We would like to inform you that the programme of the TIGER Symposium in Geodesy 2026 is now available online: TIGER 2026. A general overview can be found on the website: Programme In addition, the deadline for in-person early-bird registration…

Stay Connected with GGOS IberAtlantic

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GGOS IberAtlantic has updated its website and launched a newsletter to share news, events, and opportunities across the IberAtlantic region.

GGOS Session at AGU26 – Call for Abstracts

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Submit your abstract to the GGOS Session at AGU26 in San Francisco! Contributions on geodetic products, standards, Earth & Moon geodesy welcome. Deadline: 5 Aug 2026.

Geodesy Glossary: A Reference Guide to Geodetic Terminology

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A living reference for geodetic terms and abbreviations, linked across IAG website for up-to-date explanations. We are open for updates, corrections, links and contributions from the community.

GGHS2026 – 12-16 October 2026 – New Delhi, India

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I would like to draw your attention to the Gravity, Geoid and Height Systems 2026 (GGHS-2026) conference, to be held from 12–16 October 2026 in New Delhi, India. GGHS-2026 brings together the international geodetic and geophysical community…

FIG Congress 2026

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Franck Ghomsi @ FIG Congress 2026   Franck Ghomsi, our early career representative (ECS) of the Inter-Commission Committee on Climate Research (ICCC), attended the recent FIG Congress and represented the IAG ECS group there. FIG is the…

Meet Jorge Martinez – Early Career Scientist

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Jorge Martinez is a Spanish aerospace engineer specializing in orbit determination and planetary science. He analyzes spacecraft data to reconstruct trajectories and study the internal structure and evolution of planets and moons. Currently working at the Royal Observatory of Belgium, he is preparing to pursue a PhD focused on advancing data processing methods and uncertainty estimation in space research.

Honorary colloquium for Prof. Torge and Prof. Seeber at Leibniz University Hannover

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Honorary colloquium on the occasion of the 95th birthday of Prof. Wolfgang Torge and the 85th birthday of Prof. Günter Seeber at Insitute of Geodesy, Leibniz University Hannover, Germany The keynote lecture "Hochstabile GNSS-Positionierung…