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  • 2025 Glacial Isostatic Adjustment workshop: Advancing Models and Observational Constraints

    • Category:
    • Commission 3
    • IACS
    • IASPEI

    Sidney, CA Sidney, Canada
    Commission 3

    We are excited to announce that registration for the “2025 Glacial Isostatic Adjustment workshop: Advancing Models and Observational Constraints” taking place on June 2nd to 6th, 2025, in Sidney (British Columbia, Canada) & online, is now open. To register, please visit our website at https://polenet.org/2025-gia-workshop-registration/. Please note that space is limited by the physical capacity […]

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

    • Category:
    • GGOS
    • Commission 1
    • ECS
    • IERS
    • 📚 Education & Training

    📚 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, […]

  • IGS Logo

    Tour de l’IGS 7th Stop: Spotlight on Africa

    • Category:
    • Commission 1
    • IGS

    Commission 1

    This 7th stop focuses on the African continent. Virtual Organising Committee: Fernand Balé (Bureau National d’Etudes Techniques et de Développement, Côte d’Ivoire) and Babatunde Rabiu (National Space Research and Development […]

  • EUREF Reference Frame IAG

    EUREF Symposia 2025 + AC Workshop

    • Category:
    • Commission 1

    University Beira Interior, Covilh Covilh, Portugal
    Commission 1

    The Local and Scientific Organizing Committees are pleased to announce that the next EUREF Symposium will take place from 24 to 26 June 2025, at the University of Beira Interior, […]

  • ESA Living Planet Symposium 2025

    • Sponsorship/Co-Organised:
    • ESA
    • NASA
    • Category:
    • Commission 2
    • 🌐 Other

    ESA's Living Planet Symposium 2025(LPS) - Austria Center Vienna (ACV) Vienna, Austria
    Commission 2

    ESA-NASA Joint session C.02.05 “MAGIC – Preparing for the ESA-NASA satellite gravity constellation”. 25/06/2025, Part 1, 14:00 - 15:30, Room 0.94/0.95 25/06/2025, Part 2, 16:15 - 17:45, Room 0.94/0.95 A.10.02 […]

  • GGOS IberAtlantic School 2025

    1st GGOS IberAtlantic Summer School

    • Category:
    • GGOS
    • ECS
    • 📚 Education & Training

    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 […]

  • IAU Symposium 401 2025

    IAU Symposium 401: Advancing Reference Systems, Ephemeris, and Standards

    • Category:
    • 🌐 Other
    • IAU

    La Plata, AR La Plata, Argentina
    🌐 Other

    It is our pleasure to announce that the International Astronomical Union (IAU) Symposium "Advancing Reference Systems, Ephemeris, and Standards: from the Earth and the Moon to Solar System Bodies" (IAUS […]

  • Summer School on “Satellite-based Hydrological Data Assimilation”

    • Sponsorship/Co-Organised:
    • DANSk-LSM project
    • Category:
    • ECS
    • Commission 2
    • IGFS
    • 📚 Education & Training

    Aalborg University Aalborg, Denmark
    📚 Education & Training

    We are thrilled to announce the upcoming Summer School on "Satellite-based Hydrological Data Assimilation", specifically designed for early career scientists (MSc, PhD, and Postdoctoral researchers). This exciting event will be hosted […]

  • Rimini, Italy IAG Scientific Assembly 2025

    IAG Scientific Assembly 2025

    Featured
    • Category:
    • IAG

    Rimini, IT Rimini, Italy
    IAG

    Join us at the IAG 2025 Scientific Assembly from 1 to 5 September 2025, in Rimini, Italy. With the theme "Geodesy for a Changing Environment", the conference will explore critical […]

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

    • Category:
    • GGOS

    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) […]

  • VLBI Jive school

    JIVE VLBI School (JVS 2025)

    • Category:
    • IVS
    • ECS
    • 📚 Education & Training

    Joint Institute for VLBI ERIC (JIVE) & University of Pretoria Dwingeloo, Netherlands
    📚 Education & Training

    We are pleased to announce that the JIVE VLBI School (JVS 2025) will take place during the week of 15-19 September 2025. The school will be held simultaneously at the […]

  • GRACE Satellite

    GRACE Hackweek 5

    • Category:
    • ECS
    • Commission 2
    • 📚 Education & Training

    📚 Education & Training

    An online school on time-variable gravity from GRACE and GRACE-FO satellite missions Satellite gravimetry has become an indispensible tool for studying the earth system. The satellite missions CHAMP, GRACE/GRACE-FO and […]

  • Africa Workshop

    South African National Geodesy Workshop

    • Sponsorship/Co-Organised:
    • DLRRD
    • NRF-SARAO
    • SANSA
    • UCT
    • UKZN
    • Category:
    • GGOS
    • UN (United Nations)

    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 […]

  • GRACE-FO Science Team Meeting 2025

    • Sponsorship/Co-Organised:
    • NASA
    • Category:
    • Commission 2
    • IGFS

    University of Colorado, Boulder Boulder, USA
    Commission 2

    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 […]

  • CODATA

    34th CODATA General Assembly

    • Category:
    • 🌐 Other

    Australia, Brisbane Brisbane, Australia
    🌐 Other

    The 34th CODATA General Assembly will take place on 17-18 October 2025 in Brisbane, Australia, and online. See the letter from CODATA President convening the General Assembly on the dates […]

  • vlbi göteborg sweden

    10th International VLBI Technology Workshop (IVTW)

    • Category:
    • IVS

    Gothenburg, Sweden Gothenburg, Sweden
    IVS

    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 […]

  • VLBI school Chalmers

    5th IVS Training School on VLBI for Geodesy and Astrometry

    • Category:
    • ECS
    • IVS
    • 📚 Education & Training

    Sweden, Gothenburg Gothenburg, Sweden
    📚 Education & Training

    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 […]

  • XVI SIRGAS School “VLBI and SLR Data Processing”

    • Sponsorship/Co-Organised:
    • IAG; IUGG; IAGA; PAIGH
    • Category:
    • Commission 1
    • 📚 Education & Training

    Facultad de Ingeniería - Universidad Nacional de San Juan Av. Libertador Gral. San Martín 1109, J5400ARL San Juan, Argentina, San Juan, Argentina
    📚 Education & Training

    The XVI SIRGAS School will be held in the beautiful city of San Juan, Argentina, with the aim of training professionals in the field of geodesy through the processing of VLBI (Very Long Baseline Interferometry) and SLR (Satellite Laser Ranging) data, key techniques for the definition of global reference frames. The purpose of this course is to provide […]

  • Doris Days School 2025

    IDS DORIS School | DORIS Days 2025

    • Sponsorship/Co-Organised:
    • IDS
    • Category:
    • IDS
    • 📚 Education & Training

    National Technical University of Athens, Athens, Greece Zografos Campus, School of Rural Surveying & Geoinformatics Engineering, Labadarion Building 9 Heroon Polytechniou Street, Athens, Greece
    📚 Education & Training

    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 […]

  • IDS meeting

    DORIS Analysis Working Group Meeting

    • Category:
    • IDS

    Athens, Greece Athens, Greece
    IDS

    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  

  • “Talks on GIA” seminar

    • Category:
    • Commission 3
    • 📚 Education & Training

    📚 Education & Training

    "Talks on GIA" seminar - Constraining GIA where the mantle is heterogeneous AND Community Priorities for GNSS Measurements We will have two presentations. Erica Lucas (University of California, Santa Cruz, USA) will present "Constraining Glacial Isostatic Adjustment where the mantle is heterogeneous". Terry Wilson (Ohio State University, Columbus, USA) will present "Community Priorities for GNSS […]

  • “Talks on GIA” seminar

    • Category:
    • Commission 3

    Commission 3

    Helio Guerra Neto and Jeff Freymueller from Michigan State University, East Lansing, USA, will present "GIA in the Great Lakes Basin: A Geodetic Perspective on Vertical Motion and Hydrological Loading" Vertical crustal motion in the Great Lakes Basin, North America, results from a combination of ongoing Glacial Isostatic Adjustment (GIA) and environmental and hydrological loadings. […]

  • 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 to have it’s own session. More information will follow…

  • AGU

    AGU Annual Meeting 2025

    • Category:
    • AGU

    New Orleans, USA New Orleans, United States
    AGU

    Event Category: agu

  • 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 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. […]

  • “Talks on GIA” seminar 3

    • Category:
    • Commission 3

    Commission 3

    Mirjam Bilker-Koivula (Finnish Geospatial Research Institute) and Holger Steffen (Lantmäteriet, Sweden), will present "The Whys and Hows of Dealing with Glacial Isostatic Adjustment in a Mapping Authority" Glacial isostatic adjustment (GIA) affects among others vertical datums, sea-level measurements, GNSS heights, and crustal motion models. Hence, it creates technical and practical challenges for mapping agencies. They […]

  • Women in scientific organizations

    • Category:
    • ECS
    • IUGG

    ECS

    An event to mark the International Day of Women and Girls in Science on 11 February 2026 the International Science Council (ISC), InterAcademy Partnership (IAP) and Standing Committee for Gender […]

  • GNSS-EPOS Webinar, with Dr. Marianne Métois

    • Category:
    • Commission 3

    Commission 3

    We are pleased to invite the GNSS-EPOS community to the inaugural session of our 2026 webinar series, featuring guest speaker Dr. Marianne Métois from the Laboratoire de Géologie de Lyon. Presentation Title: "Tracking very slow deformation of continental Europe with GNSS: challenges and perspectives" Event Details: Date: Monday, 23rd February 2026 Time: 10:00 – 11:00 […]