geodesy.science - IAG website

GRACE-FO Science Team Meeting 2025
2025-10-07 - 2025-10-09 | University of Colorado, Boulder, Boulder, USA
The 2025 GRACE-FO Science Team Meeting will take place from Oct 7-9, 2025, in Boulder, CO (USA), at the University of Colorado, Boulder, in the Village Center! This meeting will be held in hybrid mode (i.e., in-person with live-remote options).
Event Category: igfs

10th International VLBI Technology Workshop (IVTW)
2025-10-21 - 2025-10-25 | Gothenburg, Sweden, Gothenburg, Sweden
The 10th International VLBI Technology Workshop (IVTW) will take place October 21-25, 2025. The meeting will be hosted by Chalmers University of Technology, Onsala Space Observatory, in Gothenburg, Sweden.
The scope of the workshop is to encompass all areas of VLBI hardware and software development and techniques on station updates, frontends, backends, recorders, correlation, image processing, potential space VLBI missions and RFI monitoring, mitigation and other strategies in today’s rapidly changing environment.
Learn more…

5th IVS Training School on VLBI for Geodesy and Astrometry
2025-10-26 - 2025-10-28 | Sweden, Gothenburg, Gothenburg, Sweden
﻿The aim of this training school is to prepare for the next generation of VLBI, both in terms of technical development and knowledge transfer between generations of researchers. The new VLBI Global Observing System (VGOS) is being installed worldwide and continues to develop. VGOS promises significant improvement in the accuracy of VLBI results. Thus, VGOS will be of great importance for geosciences and global change research as part of the Global Geodetic Observing System (GGOS).
The successful development of VLBI technology in the future requires training and educating the young generation of scientists and their familiarization with all aspects of VLBI technology, starting with VLBI station instrumentation receiving and converting the radio signal, data processing and analysis and obtaining the final results, such as Terrestrial and Celestial Reference Frames and Earth Orientation Parameters.
The IVS Training School is organized by the IVS Committee on Education and Training (IVS CTE)
Details about the school will be made available in due time on the website:
https://www.maanmittauslaitos.fi/en/about-nls/organisation/cooperation-groups/ivs-committee-education-and-training/5th-ivs-training
For further information contact Nataliya Zubko (firstname.lastname@nls.fi)
Event Category: ivs

IDS DORIS School | DORIS Days 2025
2025-11-03 - 2025-11-05 | National Technical University of Athens, Athens, Greece, Zografos Campus, School of Rural Surveying & Geoinformatics Engineering, Labadarion Building 9 Heroon Polytechniou Street, Athens, 15780, Greece
The IDS is organizing a new edition of the “DORIS Days” designed to offer both a foundational and hands-on experience with DORIS and the IDS community, tailored especially to early-career researchers and students.
Monday, 3 November (second half of UTC day)
Introductory and advanced presentations on the DORIS system, IDS, precision applications, and associated tools and products.
Venue: online only
Wednesday, 5 November (full day, hybrid with in-person participation strongly encouraged)
Introduction to handling and processing DORIS data, with theoretical lectures and guided practical sessions using Jupyter Notebook.
Venue: National Technical University of Athens, Greece – Zografos Campus, School of Rural Surveying & Geoinformatics Engineering, Labadarion Building 9 Heroon Polytechniou Street, 15780 Athens
Learn More: https://ids-doris.org/ids/meetings/ids-meetings.html%20

DORIS Analysis Working Group Meeting
2025-11-06 - 2025-11-07 | Athens, Greece, Athens, Greece
Dates: November 6 (full day) & 7 (morning), 2025
Local host: Maria Tsakiri (NTUA)
Meeting location: National Technical University of Athens, Greece – Patision Campus 28th Oktovriou (Patision) Avenue No 42, 10682 Athens
Hybrid meeting
Other related event (invitation-only): Governing Board hybrid meeting, Friday November 7 (TBD)

More information: https://ids-doris.org/ids/meetings/ids-meetings.html

Munich 2026 | REFAG Symposium + Unified Analysis Workshop UAW
2026-03-02 - 2026-03-06 | LDBV – Landesamt für Digitalisierung, Breitband und Vermessung, Alexandrastraße 4, Munich, 80538, Germany
The Technical University of Munich (TUM) is proud to lead global geodetic research as it currently holds the presidents of Commission 1 “Reference Frames” of the International Association of Geodesy (IAG) and the IAG Global Geodetic Observing System (GGOS). In this prominent role, TUM is excited to host two landmark events in 2026:

The IAG International Symposium on Reference Frames for Applications in Geosciences (REFAG2026), 2–4 March 2026, and
The joint GGOS/IERS (International Earth Rotation and Reference Systems Service) Unified Analysis Workshop (UAW2026), 5–6 March 2026

These events will bring together leading experts, researchers, and institutions to shape the future of global geodesy — right here at TUM in Munich, Germany.
Please find more information here…

EPOS days 2026
2026-03-16 - 2026-03-20 | Palazzo Doglio hotel conference centre, Cagliary, Italy
EPOS Days is the flagship annual conference of the European Plate Observing System (EPOS), bringing together researchers, data providers, and infrastructure developers from across Europe to advance collaboration in solid Earth science. The event serves as a key forum to discuss the evolution of EPOS as a pan-European research infrastructure and to showcase progress in data interoperability, FAIR principles, and service integration across the various Thematic Core Services (TCS).
The programme combines plenary talks, thematic sessions, and interactive discussions covering:

introductions to EPOS and its services for newcomers and partners;
updates from the different TCS communities, including geodesy, seismology, volcanology, and geomagnetism;
sessions on technical challenges, data policy, and ICS–TCS integration;
discussions on responsible and societal use of research infrastructures;
international collaboration and national implementation showcases;
networking opportunities such as poster sessions and a dedicated Early Career Researchers event.

Overall, EPOS Days provides a dynamic platform to exchange knowledge, align technical developments, and strengthen the community working towards a FAIR, open, and sustainable EPOS infrastructure for solid Earth science in Europe.

PhHS-IHRF2026 - Int. Symposium on Physical Height Systems and the IHRF
2026-04-07 - 2026-04-09 | General Authority for Survey and Geospatial Information (GEOSA), Riyadh, Kingdom of Saudi Arabia
The PhHS-IHRF2026 “International Symposium on Physical Height Systems and the International Height Reference Frame” will be held in Riyadh, Kingdom of Saudi Arabia from 7 to 9 April 2026. It focuses on methods for observing, estimating and interpreting the Earth’s gravity field and the geoid with special emphasis on height systems, physical height determination and the realization of the International Height Reference System (IHRS) into the International Height Reference Frame (IHRF). PhHS-IHRF2026 is a Joint IAG Symposium co-organized by IAG SC2.2 “Geoid, Physical Height Systems and vertical datum unification”, SC2.4 “Gravity and Geoid”, the International Gravity Field Service (IGFS) and the Global Geodetic Observing System (GGOS).
Scientific Organizing Committee:
George Vergos (SC2.2 Chair, IHRF CC director, IGFS CB Director)
Rossen Grebenitcharsky (SC2.2 Vice-Chair)
Riccardo Barzaghi (IGFS President)
Laura Sanchez (GGOS President)
Hussein Abd-Elmotaal (SC2.4 Chair)
Rene Fordberg
Zuheir Altamimi
Local Organizing Committee:
AlShahrani Sultan Falah
Mohammed AlArjani
Mashael AlHarbi
Saad AlQahtani
Abdulmohsen AlDosari
Saleh AlFaris
Eslam Abdulsamie

ENC2026 European Navigation Conference
2026-04-28 - 2026-04-30 | Austria Center Vienna, Bruno-Kreisky-Platz 1, Vienna, 1220, Austria
We are pleased to announce the next edition of the European Navigation Conference series, ENC 2026, will take place in Vienna, April 28-30, 2026.
The ENC-series is now widely acknowledged as the most important annual event in Europe bringing together the full positioning, navigation and timing community.
What you can expect at ENC2026:

Technical programme across three days with up to four parallel sessions;
Daily keynote addresses in plenary, bringing the community together;
A friendly and collaborative atmosphere, with opportunities to meet exhibitors and fellow delegates, including informally over drinks and dinner as part of the conference social programme;
An environment to gain insights, grow your network and foster new collaborations.

The ENC-series is a collaboration across the European Group of Institutes of Navigation (EUGIN), with the Austrian Institute of Navigation (OVN) leading ENC 2026 at the Austria Center Vienna (ACV).
The conference will highlight the latest advancements in positioning, navigation and timing. The broad technical program will include all related aspects of technology, science, systems and applications.
ENC-series is open to all from across industry, academia, government and user segments. Whatever your level of knowledge and experience, you will find a warm welcome and have much to gain by joining ENC2026.
We warmly invite you to join us in Vienna. Please do prepare your abstract, review our sponsorship opportunities and save the date to join us.
These web pages will remain the hub of latest information as we move towards the conference in April 2026. Please sign up here to receive regular updates by e-mail and also follow us on LinkedIN via the QR code below.
See you at #ENC2026 in Vienna!
https://enc-series.org/

IGS Workshop 2026
2026-06-01 - 2026-06-05 | InterContinental Hotels Santiago, Av. Vitacura 2885, Santiago de Chile, 7550023, Las Condes, Chile
Chile – where the crust trembles daily and even a traditional cocktail is nicknamed the “Earthquake” – will become the epicenter of an unprecedented scientific gathering in South America.
On behalf of the Local Organizing Committee, we are pleased to formally announce the International GNSS Service (IGS) Workshop 2026, which will take place from the 1st to the 5th of June 2026 at the Intercontinental Santiago.
The IGS Workshop serves as the premier global forum for advancing GNSS and geodesy. Hosted jointly by the University of Santiago de Chile (USACH) and the Military Geographic Institute (IGM), the 2026 edition will bring together leading experts, researchers, and practitioners to exchange insights, showcase technological breakthroughs, and define the trajectory of global geodetic infrastructure.
Key Details :

Dates : 1-5 June 2026
Venue : Intercontinental Santiago (Avenida Vitacura 2885, 7550023 Las Condes, Región Metropolitana, Chile)
Website : https://www.igs-workshop-2026.com
General Inquiries : workshop2026@igs.org

VieVS Days 2026
2026-09-15 - 2026-09-16 | TU Wien, Vienna, Austria
The two-day workshop will cover the basics of analysing VLBI geodetic data, simulations and scheduling. Participants will have the opportunity to apply their learning through hands-on exercises utilising VieVS & VieSched++.

Gravity Geoid and Height Systems Symposium (GGHS2026)
2026-10-12 - 2026-10-16 | Indian National Science Academy, New Delhi, India
The Gravity, Geoid and Height Systems Symposium (GGHS) is a leading international meeting organized under the International Association of Geodesy (IAG). It brings together experts, researchers, and students to discuss the latest developments in gravity field modeling, geoid determination, height systems, and their applications in Earth sciences and society.
The next edition, GGHS2026, will continue this tradition by providing a forum for exchanging ideas, presenting new research, and fostering collaboration across the global geodetic community.

The official website with full details will be available soon.
