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  • ILRS laser ranging service iag

    23rd International Workshop on Laser Ranging


    Kunming, China Z031, Guandu District, Kunming, Yunnan, China
    ILRS

    The 23rd International Workshop on Laser Ranging will be held during the week of October 20th- 26th, 2024, in Kunming, China. Details can be found in the attached announcement, and on the website for the workshop is https://23rdworkshop.casconf.cn/.  

  • Geoid School Kazakhstan 2025

    15th International School on “The Determination and Use of the Geoid”


    ECS

    Dear Colleagues, We are glad to inform you that the International Service for the Geoid (ISG) has organized a new edition of the traditional International School on “The Determination and Use of the Geoid”. It has been planned in cooperation with the Institute of Ionosphere (Almaty, Kazakhstan), which fostered this initiative. Please share this announcement […]

  • China Wuhan

    3rd IAG Commission 4 Symposium: Positioning and Applications


    Wuhan, China
    Commission 4

    The 3rd IAG Commission 4 Symposium: Positioning and Applications, will take place from 13 to 15 May, 2025, in Wuhan, China. As a continued Symposium Series of IAG Commission 4, this event will bring together scientists, researchers, and professionals working across the diverse field of positioning and its applications. The symposium a aims to foster […]

  • 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, […]

  • IGS Logo

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


    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 Agency, Nigeria). Registration: https://forms.gle/A5nyo8g9sjUDog3D9.

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

    • Sponsorship/Co-Organised:
    • DANSk-LSM project

    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 by the Geodesy Group at Aalborg University, Denmark, from August 26th to 28th, 2025. Why Attend? Dive into advanced techniques and tackle open challenges in measuring, modeling, […]

  • VLBI Jive school

    JIVE VLBI School (JVS 2025)


    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 Joint Institute for VLBI ERIC (JIVE) in Dwingeloo, the Netherlands, and the University of Pretoria, South Africa. The University of Pretoria will serve as a […]

  • GRACE-FO Science Team Meeting 2025

    • Sponsorship/Co-Organised:
    • NASA

    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 be held in hybrid mode (i.e., in-person with live-remote options). Event Category: igfs

  • vlbi göteborg sweden

    10th International VLBI Technology Workshop (IVTW)


    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


    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 VLBI Global Observing System (VGOS) is being installed worldwide and continues to develop. VGOS promises significant improvement in the accuracy of VLBI results. Thus, VGOS […]

  • Doris Days School 2025

    IDS DORIS School | DORIS Days 2025

    • Sponsorship/Co-Organised:
    • IDS

    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


    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  

  • 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 […]

  • EPOS days 2026


    Palazzo Doglio hotel conference centre Cagliary, Italy
    📚 Education & Training

    EPOS Days is the flagship annual conference of the European Plate Observing System (EPOS), bringing together researchers, data providers, and infrastructure developers from across Europe to advance collaboration in solid Earth science. The event serves as a key forum to discuss the evolution of EPOS as a pan-European research infrastructure and to showcase progress in […]

  • IGETS SG Technical Workshop

    • Sponsorship/Co-Organised:
    • GWR
    • IGN-SPAIN

    Yebes Observatory Cerro de la Palera, s/n, Yebes (Guadalajara), Spain
    IGETS

    This Technical Workshop aims to bring together operators, users, and manufacturers of superconducting gravimeters to share, collect and transmit knowledge and experiences, providing a forum to discussing instrumental challenges, processing […]

  • 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
    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.

  • 14th IVS General Meeting 2026

    • Sponsorship/Co-Organised:
    • IVS

    Congress House Garmisch-Partenkirchen, Germany
    IVS

    The 14th General Meeting of the International VLBI Service for Geodesy and Astrometry (IVS) is the biennial general assembly of the geodetic/astrometric VLBI community. All IVS Associate Members and individuals […]

  • ENC2026 European Navigation Conference

    • Sponsorship/Co-Organised:
    • ENC
    • EUGIN
    • OVN

    Austria Center Vienna Bruno-Kreisky-Platz 1, Vienna, Austria
    Commission 4

    We are pleased to announce the next edition of the European Navigation Conference series, ENC 2026, will take place in Vienna, April 28-30, 2026. The ENC-series is now widely acknowledged […]

  • 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 […]

  • IDS Workshop 2026

    • Sponsorship/Co-Organised:
    • CNES.
    • Copernicus
    • Eumetsat

    RheinMain CongressCenter CLS, Wiesbaden, Germany
    IDS

    The 2026 IDS Workshop will be held in Wiesbaden, Germany, from 23–25 June 2026 alongside the 2026 OSTST meeting. Organized by Eumetsat, Copernicus and CNES, it will showcase recent developments and scientific results based on DORIS data and foster discussion and coordination of future IDS community activities.

  • 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 […]

  • 17th European VLBI Network Symposium

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

    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

    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


    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 & VieSched++. The workshop is aimed at PhD students and newcomers to the field of geodetic VLBI analysis. The registration is offered on a first-come, first-served […]

  • ESA 10th International Colloquium on GNSS

    • Sponsorship/Co-Organised:
    • ESA

    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.

  • Geoid Potsdam Kartoffel Potatoe

    Gravity Geoid and Height Systems Symposium (GGHS2026)


    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 […]

  • IAU Symposium 2027


    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 dramatic multiwavelength variability and gamma-ray flares, offering unique insights into particle acceleration, jet dynamics, and magnetic field structure. Yet key processes, such as jet formation, […]