• AGU25 – GGOS Session

    • Category:
    • GGOS
    • AGU

    New Orleans, USA New Orleans, United States
    GGOS

      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 […]

  • Webinar – AI For GNSS Remote Sensing

    • Category:
    • GGOS

    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 […]

  • Munich 2026 | REFAG Symposium + Unified Analysis Workshop UAW

    • Category:
    • Commission 1
    • GGOS
    • IAG Services
    • IERS

    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 […]

  • UAW2026: GGOS/IERS Unified Analysis Workshop 2026

    • Category:
    • GGOS
    • IERS

    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 […]

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

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

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

    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.

  • IGS Workshop 2026

    • Category:
    • GGOS
    • IAG Services
    • IGS

    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 […]

  • 12 Spanish-Portuguese Assembly of Geodesy & Geophysics

    • Sponsorship/Co-Organised:
    • Universidad Politécnica de Madrid
    • Category:
    • GGOS
    • IACS
    • IAGA
    • IAHS
    • IAMAS
    • IAPSO
    • IASPEI
    • IAVCEI
    • 📚 Education & Training

    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. […]

  • Summer School: satellite-based hydrological data assimilation

    • Sponsorship/Co-Organised:
    • Aalborg University
    • Category:
    • ECS
    • AGU
    • Commission 2
    • EGU
    • GGOS
    • IAHS
    • ICCC
    • ICGEM
    • UN (United Nations)
    • 📚 Education & Training

    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 […]

  • ESA 10th International Colloquium on GNSS

    • Sponsorship/Co-Organised:
    • ESA
    • Category:
    • Commission 1
    • GGOS
    • IDS
    • IERS
    • IGS
    • ILRS
    • IVS

    École de technologie supérieure (ETS) of Quebec Montreal, Canada
    Commission 1

    The ESA 10th International Colloquium on GNSS covers topics such as time and frequency principles, positioning and navigation, orbit determination, space navigation, GNSS-enabled science, Earth sciences, fundamental physics, remote sensing, and quantum technologies for PNT. Abstract submission is extended to 8 May 2026; selected papers appear in Advances in Space Research.

  • Gravity Geoid and Height Systems Symposium (GGHS2026)

    • Category:
    • GGOS
    • Commission 2
    • IGFS

    Indian National Science Academy New Delhi, India
    GGOS

    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 […]

  • NGGM Science and Applications Workshop 2027

    • Category:
    • AGU
    • BGI
    • Commission 2
    • Commission 3
    • COSPAR
    • EGU
    • FIG
    • GGOS
    • IACS
    • IAGA
    • IAHS
    • IAMAS
    • IAPSO
    • IASPEI
    • IAU
    • IAVCEI
    • ICCC
    • ICGEM
    • IGFS
    • ISG
    • IUGG
    • Projet QuGe
    • UN (United Nations)

    TBD Gruttosingel 20, Carcassonne, France
    AGU
  • CGU 2028-IGC2028 First Circular

    • Category:
    • AGU
    • Commission 1
    • Commission 2
    • Commission 3
    • Commission 4
    • ECS
    • EGU
    • FIG
    • GGOS
    • IAG
    • IAG Comissions
    • IAG ICCs
    • IAG Projects
    • ICCC
    • ICCM
    • ICCT
    • Projet QuGe
    • 📚 Education & Training

    BMO Centre Calagry, Canada
    📚 Education & Training

    The Canadian Geophysical Union (CGU) 2028 annual meeting will be held in conjunction with the 38th International Geological Congress (IGC) in Calgary, Canada, from August 12–20, 2028. Under the overarching […]