• 17th European VLBI Network Symposium

    • Sponsorship/Co-Organised:
    • e-MERLIN
    • EVN
    • RAS
    • SKAO
    • The University of Manchester
    • UKRI
    • ukSRC
    • Category:
    • IAU
    • IVS

    The University of Manchester Manchester, United Kingdom
    IAU

    The European VLBI Network Symposium is the main forum for discussion of the latest Very Long Baseline Interferometry scientific results and technical developments within the EVN member countries. This biennial meeting brings together the global VLBI community to exchange knowledge, share research, discuss advancements in VLBI techniques, and foster collaboration in radio astronomy.

  • ITGRF Workshop 2026

    • Sponsorship/Co-Organised:
    • IAG
    • Category:
    • Commission 2
    • BGI
    • IGFS

    Herstmonceux Castle Hailsham, East Sussex, United Kingdom,
    Commission 2

    The 2026 ITGRF workshop will provide an excellent opportunity to advance the International Terrestrial Gravity Reference Frame and to discuss current activities within the IAG Joint Working Group 2.1.1. The workshop will focus on ensuring the compatibility of absolute gravity observations, establishing and maintaining gravity reference stations, and developing a modern, user-oriented infrastructure for end-users. […]

  • VieVS Days 2026

    • Category:
    • IVS
    • 📚 Education & Training

    TU Wien Vienna, Austria
    📚 Education & Training

    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 & […]

  • 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 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 […]

  • GRACE/GRACE-FO Science Team Meeting 2026

    • Category:
    • Commission 2
    • ICCC
    • ICGEM
    • IGFS
    • Projet QuGe

    GFZ Helmholtz Centre for Geosciences in Potsdam, Potsdam, Germany
    Commission 2

    Yearly meeting addressing satellite gravimetry (data processing & applications), in particular related to the GRACE satellite missions, but also including planned missions such as NGGM/MAGIC or other future mission concepts. Overview on planned sessions: A. GRACE and GRACE-FO Geodesy: A.1 GRACE-FO Project Status, A.2 Analysis Techniques & Inter-comparisons, A.3 GRACE-C, NGGM, and Future Missions, A.4 […]

  • 24th International Workshop on Laser Ranging

    • Sponsorship/Co-Organised:
    • CONICET
    • ILRS
    • UTN
    • Category:
    • AGU
    • Commission 1
    • Commission 2
    • Commission 3
    • Commission 4
    • EGU
    • GGOS
    • IAG Services
    • ILRS
    • IUGG

    Rectoria de la Universidad Tecnologica Nacional (UTN) Sarmiento 440, Buenos Aires, Argentina
    AGU

    The 24th International Workshop on Laser Ranging will take place in Buenos Aires from the 1st to 6th of November 2026. The conference venue is the Rectoría (rectorate building) de la Universidad Tecnológica Nacional (UTN), Sarmiento 440, Buenos Aires. Event Website: https://bkg.bund.de/en/bkg/events/ilrs-workshop

  • SIRGAS School

    • Sponsorship/Co-Organised:
    • IAG
    • UNGGCE
    • UNOOSA
    • Category:
    • BGI
    • Commission 1
    • Commission 2
    • FIG
    • IGFS
    • IGS
    • UN (United Nations)

    Faculty of Engineering of the University of the Republic Av. Julio Herrera y Reissig 574-592, Montevideo, Departamento de Montevideo, Montevideo, Uruguay
    BGI

    9th SIRGAS School on “Reference Systems and Reference Frames”. The School will be offered in a hybrid format: the theoretical component will be delivered online, From October 19 to 30. […]

  • IAU Symposium 2027

    • Category:
    • IAU
    • IVS

    Windhoek, Namibia Balderichgasse 31/24, Windhoek, Namibia
    IAU

    January 18th – January 22nd, 2027 in Windhoek, Namibia Relativistic jets from active galactic nuclei are among the Universe’s most extreme particle accelerators. Blazars, with jets pointed toward Earth, show […]

  • 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