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  • GGHS 2024 Symposium
    Featured

    GGHS Symposium – Gravity, Geoid and Height Systems 2024


    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

    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…

  • 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

    • Sponsorship/Co-Organised:
    • EGU
    • IAG

    BEV - Federal Office of Metrology and Surveying Schiffamtsgasse 1-3, Vienna, Austria
    IAG

    The Geodesy Reception 2026 is planned to take place in the evening during one of the weekdays of the EGU General Assembly 2026 (May 4–7, 2026), probably the May 5. The exact date, time, and venue will be announced later. See recap of last years Geodesy Reception 2025. Stay tuned for further updates! Registration Registration will be […]

  • 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 […]

  • Sweden

    GGOS Days 2026 + GGOS Topical Meeting on Geohazards


    Gävle, Sweden Gävle, Sweden
    GGOS

    We will be hosting three consecutive meetings in Gävle (Sweden) in autumn 2026. Please join us for: Tracking and Investigating Geodynamics and Earth Rotation - TIGER Symposium in Geodesy (the 1st symposium of the IAG Commission 3 on Earth Rotation and Geodynamics, in cooperation with the Journees meeting series) - September 28th to October 1st, […]

  • 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 […]