IAG website

Welcome to the New IAG Website

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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…
ESA atomic clock satellite

A new atomic clock in space could help us measure elevations on Earth

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What if we could measure height differences on Earth to the centimeter from space? ESA’s ACES mission on the ISS links ultra-precise atomic clocks in orbit with those on Earth — enabling more accurate global elevation data. This could transform geodesy and help refine height reference systems worldwide.

Virtual School of Geodesy – Reference Frames, Geodynamics, Atmosphere

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Are you passionate about geodesy, climate change, and the global systems that help us understand our planet? Don’t miss this unique opportunity to dive deep into one of the most relevant scientific topics of our time! This international online…

New RAEGE Station in Gran Canaria: A Milestone for Global Geodesy

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The Spanish Ministry of Transport and Sustainable Mobility (MTMS) has officially begun the construction of the third RAEGE station on a site granted by the Cabildo of Gran Canaria to the National Geographic Institute (IGN) in March 2023.…
Geoid School Kazakhstan 2025

International Geoid School in Kazakhstan

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The 15th International School on “The Determination and Use of the Geoid” will be organized in Almaty, Kazakhstan between April 7-11, 2025 Information Location: Kazakhstan - Almaty Event date: 2025-04-07 - 2025-04-11 Event's site From…
Freepic

International Height Reference Frame IHRF – Coordination Centre

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From the GGOS Focus Area Unified Height System to the IHRF Coordination Centre One initial objective of the Global Geodetic Observing System (GGOS) of the International Association of Geodesy (IAG) was the standardisation of height systems worldwide.…
GGHS 2024 Symposium

Symposium on Gravity, Geoid and Height Systems – GGHS2024

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The GGHS2024 “Gravity, Geoid and Height Systems 2024” Symposium will be held in Thessaloniki, Greece, from 4 to 6 September 2024. It focuses on methods for observing, estimating and interpreting the Earth’s gravity field and the essential…
Geoid School 2023

School on “The Determination and Use of the Geoid”

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From November 13 to 17, 2023 will be held the 14th International School on “The Determination and Use of the Geoid”. The School will take place at the Instituto Geográfico Nacional, in Buenos Aires, Argentina. The School will be held in…
UAW Unified Analysis Workshop 2022 Thessaloniki Greence

Successful Unified Analysis Workshop 2022

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The Unified Analysis Workshop UAW 2022 which took place end of October 2022 in the beautiful city Thessaloniki in Greece. It was a very successful conference based on intensive discussions to advance geodesy. Many thanks to all participants…

Tour de l’IGS

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The Tour de l’IGS is a series of virtual workshops on relevant topics to the IGS membership, stakeholders and GNSS community in general. These events will be hosted several times a year and will cover a wide range of topics including space-borne and ground-based instrumentation, technology development, scientific and societal applications, etc.