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  • GGHS 2024 Symposium

    GGHS Symposium – Gravity, Geoid and Height Systems 2024

    Featured

    Thessaloniki, Greece 3ης Σεπτεμβρίου Πανεπιστημιούπολη, Thessaloniki, Greece
    Commission 2

    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 role of gravity field modelling in measuring, understanding and predicting changes in the Earth system. More information on […]

  • Africa Rising: Shaping Our Common Future Through Geodesy


    CURE, New York 345 Park Avenue South, New York, NY, United States
    GGOS

    We invite you (in-person or online) to join us for an amazing meeting on Geodesy in Africa at the Science Summit for the UN Sustainable Development Goals. In addressing global challenges like climate change, urbanization, and sustainable resource management, accurate geodetic data is crucial. We aim to elevate the global geodesy supply chain, align geodetic […]

  • GGOS topical meeting on the atmosphere 2024 - Potsdam Germany

    GGOS Topical Meeting on the Atmosphere


    Wissenschaftetage im Bildugsforum - Potsdam, Germany Am Kanal 47, Potsdam, Germany
    IAG

    Topics Meeting Logistics Dates Registration Abstract Submission Travel Award GGOS serves as an integrating framework for all components of the International Association of Geodesy (IAG), providing a clearinghouse for geodetic expertise and fostering interdisciplinary research. A current challenging topic is the modelling of spatio-temporal variations of the atmosphere (troposphere, stratosphere, mesosphere, thermosphere, ionosphere/plasmasphere) and the […]

  • GGOS Days 2024


    Potsdam, DE Potsdam, Germany
    GGOS

    Main Topics Participation Registration The annual business meeting of GGOS – the GGOS Days 2024 – was held in 2024 at the Wissenschaftsetage im Bildungsforum in Potsdam, Germany, from October 10-11 as a hybrid meeting. Programme - Agenda Detailed Meeting Description Status Report of GGOS components Meeting Summary List of Participants (online & in-person) Presentation […]

  • AGU Conference Meeting

    AGU24 Annual Meeting


    Washington D.C. 801 Mt. Vernon Place NW, Washington, DC, United States
    AGU

    The next annual meeting of the American Geoscience Union - AGU24 - will be held this year in Washington, D.C. on 9-13 December 2024. More info: agu.org/annual-meeting GGOS Session We would like to draw your attention to our GGOS session G007: Geodetic Standards for Improved Accurate and Consistent Earth Observation Products from the Global Geodetic […]

  • GGOS Governing Board Meeting


    TU Wien - Arnold Schmidt Raum Gußhausstraße 27-29 (6th floor), Vienna, Austria
    GGOS

    The governing-board meets on the weekend before EGU General Assembly 2025 (online or in-person): Date: Saturday, April 26 Time: 09:00 - 12:30 (CEST, UTC+2) Venue: TU Wien - Gußhausstraße 27-29, 1040 Vienna Room: 6th floor -Arnold Schmidt Raum Closed Meeting - Participants: governing-board members + Invitees Agenda: will follow ... Participation: It is possible to participate both in […]

  • IAG Geodesy Reception 2023 TU Wien Austria

    IAG Geodesy Reception 2025


    BEV - Federal Offie of Metrology and Surveying Schiffamtsgasse 1-3, Vienna, Austria
    IAG
    Registered people: 0 / 80

    Details: The Geodesy Reception 2025 will take place at: Date: Tuesday, April 29, 2025 Time: 19:00-22:00 Venue: BEV – Federal Office of Metrology and Surveying Address: Schiffamtsgasse 1-3, 1020 Vienna – 8th floor Sponsors: IAG (International Association of Geodesy) EGU Geodesy Division BEV (Federal Office of Metrology and Surveying) GGOS (Global Geodetic Observing System) Registration […]

  • GGOS IAG EGU Vienna background

    EGU General Assembly 2025 – GGOS


    Austria Center Vienna Vienna, Austria
    EGU

    The EGU General Assembly 2025 brings together geoscientists from all over the world to one meeting covering all disciplines of the Earth, planetary, and space sciences. The EGU aims to provide a forum where scientists, especially early career researchers, can present their work and discuss their ideas with experts in all fields of geoscience. EGU […]

  • Virtual School of Geodesy – Reference Frames, Geodynamics, Atmosphere


    📚 Education & Training

    🎯 Course Objective: The objective of the 2025 School is to provide the most important concepts on the definition, implementation, and maintenance of global, continental, and national reference frameworks, as well as their importance in various applications. It will also address advances in Earth System monitoring in response to the challenges posed by climate change, […]

  • GGOS IberAtlantic School 2025

    1st GGOS IberAtlantic Summer School


    Yebes Observatory Cerro de la Palera, s/n, Yebes, Guadalajara, Spain
    📚 Education & Training

    Location: Yebes Observatory, Cerro de la Palera, s/n, 19141 Yebes, Guadalajara, Spain Organizers: GGOS IA, IGN, Yebes Observatory, RAEGE-Az Sponsors: IGN Spain, RAEGE-Az, ROA Parteners: National Geographic Institute of Spain (IGN Spain), Yebes Observatory, RAEGE-Az, Royal Observatory of Spanish Navy (ROA), Directorate-General for the Territory of Portugal (DGT), College of Geographic Engineering of the Order of […]

  • GGOS Days 2025 | GGOS Governing Board Meeting | GGOS Science Panel Meeting


    Rimini, Italy Via della Fiera, 23, Rimini, Rimini, Italy
    GGOS

    The annual business meeting of GGOS, known as GGOS Days, was integrated in 2025 with the IAG Scientific Assembly 2025. GGOS reports were given during the GGOS-related oral and poster sessions and at the GGOS Governing Board and Science Panel meeting: GGOS Days 2025 | Oral & Poster Sessions Date: September 3-5, 2025 (in-person only) […]

  • Africa Workshop

    South African National Geodesy Workshop

    • Sponsorship/Co-Organised:
    • DLRRD
    • NRF-SARAO
    • SANSA
    • UCT
    • UKZN

    South African Astronomical Observatory (SAAO) Auditorium SAAO, 1 Observatory Rd, Observatory, Cape Town, Cape Town, South Africa
    GGOS

    Towards a National Geodesy Working Group for South Africa Geodesy — the science of measuring the Earth’s shape, orientation, gravity field, and changes over time — is the foundation of modern mapping, positioning, land administration, infrastructure, and climate monitoring. South Africa has a proud history in terrestrial and space geodesy, from early triangulation networks to […]

  • AGU25 – GGOS Session


    New Orleans, USA New Orleans, United States
    AGU

      The AGU Annual Meeting 2025 brings together geoscientists from all over the world to one meeting covering all disciplines of the Earth, planetary, and space sciences. GGOS is planning to have it’s own session. More information will follow…

  • Webinar – AI For GNSS Remote Sensing


    GGOS

    This online meeting of the IAG GGOS Joint Study Group on AI for GNSS Remote Sensing (open to non-members) brings together researchers and practitioners to discuss recent advances in artificial intelligence and machine learning applied to GNSS-based Earth observation. The program covers AI-driven approaches for atmospheric and ionospheric sensing, tropospheric modeling, uncertainty quantification, and GNSS reflectometry. […]

  • UAW REFAG Munich 2026

    Munich 2026 | REFAG Symposium + Unified Analysis Workshop UAW


    LDBV - Landesamt für Digitalisierung, Breitband und Vermessung Alexandrastraße 4, Munich, Germany
    Commission 1

    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 […]

  • UAW2026: GGOS/IERS Unified Analysis Workshop 2026


    Munich, Germany Munich, Germany
    GGOS

      Under the umbrella of the International Association of Geodesy (IAG), the IAG’s Global Geodetic Observing System (GGOS) and the International Earth Rotation and Reference Systems Service (IERS) periodically hold unified analysis workshops to discuss current issues in geodetic data analysis and the determination of geodetic reference frames, as well as the provision of reliable […]

  • Postponed PhHS-IHRF2026 – Int. Symposium on Physical Height Systems and the IHRF

    • Sponsorship/Co-Organised:
    • GGOS
    • IAG SC2.2
    • IGFS
    • IHRF CC
    • SC2.4

    General Authority for Survey and Geospatial Information (GEOSA) Riyadh, Kingdom of Saudi Arabia
    Commission 2

    The PhHS-IHRF2026 symposium will be held in Riyadh, Saudi Arabia from 7-9 April 2026. It focuses on observing and interpreting the Earth's gravity field and geoid, emphasizing height systems and the International Height Reference Frame (IHRF). This Joint IAG Symposium is co-organized by IAG Sub-Commissions 2.2 and 2.4, IGFS, and GGOS.

  • Geodesy Reception 2025 EGU

    IAG Geodesy Reception 2026

    Featured
    • Sponsorship/Co-Organised:
    • BEV
    • DGFI-TUM
    • EGU
    • GFZ
    • GGOS
    • IAG

    BEV - Federal Office of Metrology and Surveying Schiffamtsgasse 1-3, Vienna, Austria
    IAG
    Registered people: 100 / 80

    The Geodesy Reception 2026 will take place on Tuesday, May 5 (19:00-21:45) during the EGU General Assembly 2026. It will be hosted again at the main building of BEV (Federal Office of Metrology and Surveying). See recap of last years Geodesy Reception 2025. Registration ⚠️ Registration is required, as capacity is limited to 120 participants. […]

  • IGS Workshop 2026


    InterContinental Hotels Santiago Av. Vitacura 2885, Santiago de Chile, Chile
    GGOS

    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 […]

  • 12 Spanish-Portuguese Assembly of Geodesy & Geophysics

    • Sponsorship/Co-Organised:
    • Universidad Politécnica de Madrid

    ETSI Topografía, Geodesia y Cartografía Mercator Avenue, Madrid, Spain
    📚 Education & Training

    The Spanish-Portuguese Assembly of Geodesy and Geophysics, which held its first meeting in Almería in 1998, began meeting every two years, alternating between the two countries responsible, Spain and Portugal. Over the course of its sessions, it has established itself as a research forum in the fields of Geodesy, Seismology, Meteorology, Geomagnetism, Hydrology, Oceanography, Volcanology, […]

  • Summer School: satellite-based hydrological data assimilation

    • Sponsorship/Co-Organised:
    • Aalborg University

    Geodesy group, Aalborg University Rendsburggade 14, Aalborg, Denmark
    📚 Education & Training

    Geodesy group of Aalborg University is planning to have a summer school at the Geodesy Group, Aalborg University, August 25-28 2026. The school will be for four days and focusing on training Early Careers to improve their skill of satellite data processing and hydrological data assimilation. The program will be ~50%-50% on theory and practical […]

  • Geoid Potsdam Kartoffel Potatoe

    Gravity Geoid and Height Systems Symposium (GGHS2026)


    Indian National Science Academy New Delhi, India
    Commission 2

    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 […]