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BEGIN:VEVENT
DTSTART;VALUE=DATE:20260407
DTEND;VALUE=DATE:20260410
DTSTAMP:20260320T070747Z
CREATED:20251003T072122Z
LAST-MODIFIED:20260320T070747Z
UID:30385-1775520000-1775779199@geodesy.science
SUMMARY:PhHS-IHRF2026 - Int. Symposium on Physical Height Systems and the IHRF
DESCRIPTION:⚠️⚠️Given the recent evolving circumstances in the Middle East\, we would like to let you know that the IAG SC2.2\, SC2.4\, IGFS and GGOS Symposium “Physical Height Systems and the International Height Reference Frame – PhHS–IHRF2026” will be postponed to a future date. As the situation is quite uncertain\, no plans have been made yet\, hence we will keep you updated. Apologies for the last-minute change and any inconvenience this may cause to your schedule. ⚠️⚠️ \nThe PhHS-IHRF2026 “International Symposium on Physical Height Systems and the International Height Reference Frame” will be held in Riyadh\, Kingdom of Saudi Arabia from 7 to 9 April 2026. It focuses on methods for observing\, estimating and interpreting the Earth’s gravity field and the geoid with special emphasis on height systems\, physical height determination and the realization of the International Height Reference System (IHRS) into the International Height Reference Frame (IHRF). PhHS-IHRF2026 is a Joint IAG Symposium co-organized by IAG SC2.2 “Geoid\, Physical Height Systems and vertical datum unification”\, SC2.4 “Gravity and Geoid”\, the International Gravity Field Service (IGFS) and the Global Geodetic Observing System (GGOS). \nOfficial Symposium Website: https://geosa.gov.sa/en/Pages/phhs-ihrf-2026.aspx \n \nScientific Organizing Committee: \nGeorge Vergos (SC2.2 Chair\, IHRF CC director\, IGFS CB Director)\nRossen Grebenitcharsky (SC2.2 Vice-Chair)\nRiccardo Barzaghi (IGFS President)\nLaura Sanchez (GGOS President)\nHussein Abd-Elmotaal (SC2.4 Chair)\nRene Fordberg\nZuheir Altamimi  \nLocal Organizing Committee: \nAlShahrani Sultan Falah\nMohammed AlArjani\nMashael AlHarbi\nSaad AlQahtani\nAbdulmohsen AlDosari\nSaleh AlFaris\nEslam Abdulsamie
URL:https://geodesy.science/event/phys-ihrf2026/
LOCATION:General Authority for Survey and Geospatial Information (GEOSA)\, Riyadh\, Kingdom of Saudi Arabia
CATEGORIES:Commission 2,GGOS,IGFS
ATTACH;FMTTYPE=image/png:https://geodesy.science/wp-content/uploads/PHyS_logo-002.png
ORGANIZER;CN="IAG Commission 2%2C%2C SC2.2":MAILTO:sf.alshahrani@geosa.gov.sa
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Vienna:20260505T190000
DTEND;TZID=Europe/Vienna:20260505T214500
DTSTAMP:20260515T060212Z
CREATED:20250711T070656Z
LAST-MODIFIED:20260515T060212Z
UID:28843-1778007600-1778017500@geodesy.science
SUMMARY:IAG Geodesy Reception 2026
DESCRIPTION:The Geodesy Reception 2026 took place on Tuesday\, May 5 (19:00-21:45) during the EGU General Assembly 2026. It was hosted for the third time at BEV (Federal Office of Metrology and Surveying). \n👉 Read the full recap of this event \nRegistration\nRegistration was required\, as capacity was limited to 120 participants. Attendance is only possible with confirmed registration! Access to the building will be granted upon verification at the entrance. Due to high demand and limited availability\, registration was opened in two separate tranches (April 8 and 2) to accommodate participants from different time zones. \nGeodesy Cartoon Competition – Winner Announcement\nAs a special highlight\, the winners of the Geodesy Cartoon Competition were officially announced\, and the top-ranked cartoons were showcased during the event. Read more: https://geodesy.science/cartoon/competition/ \nSponsors\n        \n \n  \n         \n \n  \n\n\nMain Sponsor:\n\nIAG | International Association of Geodesy\n\nFurther Sponsors:\n\nGFZ | Helmholtz Centre for Geosciences (Department 1 – Geodesy)\nEGU Geodesy Division\nDGFI-TUM | Deutsches Geodätisches Forschungsinstitut (DGFI-TUM) of Technische Universität München\nETH Zürich – Space Geodesy\nIGN France | National Institute of Geographic and Forest Information\n\nOrganiser and Event Host:\n\nBEV | Federal Office of Metrology and Surveying\, Austria\nIAG-GGOS (Global Geodetic Observing System) Coordinating Office (CO)
URL:https://geodesy.science/event/iag-geodesy-reception-2026/
LOCATION:BEV – Federal Office of Metrology and Surveying\, Schiffamtsgasse 1-3\, Vienna\, 1020\, Austria
CATEGORIES:ECS,EGU,GGOS,IAG
ATTACH;FMTTYPE=image/jpeg:https://geodesy.science/wp-content/uploads/geodesyReception2025-1-scaled.jpg
ORGANIZER;CN="GGOS Coordinating Office":MAILTO:ggos@geodesy.science
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260601
DTEND;VALUE=DATE:20260606
DTSTAMP:20250910T134919Z
CREATED:20250526T030337Z
LAST-MODIFIED:20250910T134919Z
UID:27957-1780272000-1780703999@geodesy.science
SUMMARY:IGS Workshop 2026
DESCRIPTION: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. \nOn behalf of the Local Organizing Committee\, we are pleased to formally announce the International GNSS Service (IGS) Workshop 2026\, which will take place from the 1st to the 5th of June 2026 at the Intercontinental Santiago. \nThe IGS Workshop serves as the premier global forum for advancing GNSS and geodesy. Hosted jointly by the University of Santiago de Chile (USACH) and the Military Geographic Institute (IGM)\, the 2026 edition will bring together leading experts\, researchers\, and practitioners to exchange insights\, showcase technological breakthroughs\, and define the trajectory of global geodetic infrastructure. \nKey Details : \n\nDates : 1-5 June 2026\nVenue : Intercontinental Santiago (Avenida Vitacura 2885\, 7550023 Las Condes\, Región Metropolitana\, Chile)\nWebsite : https://www.igs-workshop-2026.com\nGeneral Inquiries : workshop2026@igs.org
URL:https://geodesy.science/event/igs-workshop-2026/
LOCATION:InterContinental Hotels Santiago\, Av. Vitacura 2885\, Santiago de Chile\, 7550023\, Las Condes\, Chile
CATEGORIES:GGOS,IAG Services,IGS
ATTACH;FMTTYPE=image/jpeg:https://geodesy.science/wp-content/uploads/Banner-scaled_Copyright-IGS_2025-05-26.jpg
ORGANIZER;CN="IGS":MAILTO:CB@igs.org
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260616
DTEND;VALUE=DATE:20260620
DTSTAMP:20260312T075546Z
CREATED:20260312T075546Z
LAST-MODIFIED:20260312T075546Z
UID:34152-1781568000-1781913599@geodesy.science
SUMMARY:12 Spanish-Portuguese Assembly of Geodesy & Geophysics
DESCRIPTION: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. Over the course of its sessions\, it has established itself as a research forum in the fields of Geodesy\, Seismology\, Meteorology\, Geomagnetism\, Hydrology\, Oceanography\, Volcanology\, Applied Geophysics\, and Cryospheric Sciences\, as well as a place for meeting and scientific exchange between Spanish and Portuguese researchers through the presentation and discussion of papers in these fields. The COVID-19 period marked the largest gap in the established periodicity\, which we now wish to resume. Thus\, two years after the last meeting\, which took place in Évora in 2024\, the 2026 meeting will be held in Spain. Next June\, from the 16th to the 19th\, Universidad Politécnica de Madrid and its Higher Technical School of Topography\, Geodesy\, and Cartography will host the 12th Spanish-Portuguese Assembly of Geodesy and Geophysics.
URL:https://geodesy.science/event/12-spanish-portuguese-assembly-of-geodesy-geophysics/
LOCATION:ETSI Topografía\, Geodesia y Cartografía\, Mercator Avenue\, Madrid\, 28031\, Spain
CATEGORIES:GGOS,IACS,IAGA,IAHS,IAMAS,IAPSO,IASPEI,IAVCEI,📚 Education & Training
ATTACH;FMTTYPE=image/jpeg:https://geodesy.science/wp-content/uploads/ahpgg_2026.jpg
ORGANIZER;CN="CEGG - Comision Espa%C3%B1ola de Geodesia y Geofisica and Politechnical University of Madrid":MAILTO:ahpgg2026@topografia.upm.es
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260825
DTEND;VALUE=DATE:20260829
DTSTAMP:20260316T113957Z
CREATED:20260316T113957Z
LAST-MODIFIED:20260316T113957Z
UID:34297-1787616000-1787961599@geodesy.science
SUMMARY:Summer School: satellite-based hydrological data assimilation
DESCRIPTION: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 sessions. The focus will be on advanced techniques and open challenges in measuring and modeling the water cycle\, as well as integrating satellite-based observations\, including Satellite Gravity (GRACE/GRACE-FO and future missions NGGM/MAGIC)\, Satellite Altimetry (Sentinel and SWOT)\, and Soil Remote Sensing into large-scale hydrological models. Participants will be introduced to ensemble-based sequential Data Assimilation techniques for merging satellite data with models. The school emphasises hands-on learning\, featuring practical exercises in Python\, along with various interactive activities. \nThe school is free of charge\, but a registration process will be followed to select the most relevant audiences. The registration link will be announced soon.
URL:https://geodesy.science/event/summer-school-satellite-hydrological-data/
LOCATION:Geodesy group\, Aalborg University\, Rendsburggade 14\, Aalborg\, 9000\, Denmark
CATEGORIES:AGU,Commission 2,ECS,EGU,GGOS,IAHS,ICCC,ICGEM,UN (United Nations),📚 Education & Training
ATTACH;FMTTYPE=image/jpeg:https://geodesy.science/wp-content/uploads/Summer_School.jpg
ORGANIZER;CN="Ehsan Forootan%2C Aalborg University":MAILTO:efo@plan.aau.dk
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260916
DTEND;VALUE=DATE:20260917
DTSTAMP:20260824T062342Z
CREATED:20260824T062342Z
LAST-MODIFIED:20260824T062342Z
UID:38646-1789516800-1789603199@geodesy.science
SUMMARY:Global Geodesy: A Common Language for the Earth
DESCRIPTION:The registration is accepted from below by September 6\, 23:59JST \nhttps://forms.cloud.microsoft/r/snuYXftqLc \nFree of Charge.
URL:https://geodesy.science/event/global-geodesy-a-common-language-for-the-earth/
LOCATION:Tsukuba International Congress Center\, Tsukuba\, Japan
CATEGORIES:GGOS
ATTACH;FMTTYPE=image/jpeg:https://geodesy.science/wp-content/uploads/AdobeStock_236598424_landscape.jpeg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Vienna:20261002T080000
DTEND;TZID=Europe/Vienna:20261002T150000
DTSTAMP:20260415T090449Z
CREATED:20260414T053237Z
LAST-MODIFIED:20260415T090449Z
UID:35380-1790928000-1790953200@geodesy.science
SUMMARY:GGOS Topical Meeting on Geohazards
DESCRIPTION:
URL:https://geodesy.science/event/ggos-topical-meeting-geohazards/
LOCATION:Lantmäteriet\, Lantmäterigatan 2C\, Gävle\, 802 64\, Sweden
CATEGORIES:GGOS
ATTACH;FMTTYPE=image/png:https://geodesy.science/wp-content/uploads/GGOS_TM_Geohazards_2026-scaled.png
ORGANIZER;CN="GGOS Coordinating Office":MAILTO:co@ggos.org
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261005
DTEND;VALUE=DATE:20261008
DTSTAMP:20260928T054329Z
CREATED:20260928T054329Z
LAST-MODIFIED:20260928T054329Z
UID:39289-1791158400-1791417599@geodesy.science
SUMMARY:GGOS-Africa Workshop
DESCRIPTION:GGOS-Africa Workshop 2026 takes place 5–7 October in Nairobi\, Kenya\, marking the first workshop of GGOS Africa\, which has just been officially adopted as a GGOS Affiliate by the Global Geodetic Observing System. \nIn-person attendance is by invitation\, but all talks are streamed free online — registration grants access to the livestream\, and recordings/slides will be posted afterward for anyone who misses a session. \nOver the three days\, speakers from across Africa and the international geodetic community will cover the state of geodetic infrastructure and human capacity in Africa (including first results of the GGOS Africa survey)\, AFREF\, CORS networks\, vertical datums and space geodesy\, country presentations and contributions to geodynamics/astronomy/space weather\, training and regional/analysis centres\, and the way forward for GGOS Africa — closing with adoption of the workshop resolutions on Wednesday\, 7 October. \n\nFull programme: jb.man.ac.uk/GGOS-Africa/GGOSAfrica26\nRegistration: https://docs.google.com/forms/d/e/1FAIpQLSd91UFOZDmJZqs_ugci5ZvpiLaC2eRYX0Syhq2gJ5e5FelKTg/viewform\n\n 
URL:https://geodesy.science/event/ggos-africa-workshop/
LOCATION:Ole-Sereni\, Nairobi\, Kenya\, Ole-Sereni\, Nairobi\, Kenya
CATEGORIES:GGOS
ATTACH;FMTTYPE=image/png:https://geodesy.science/wp-content/uploads/ggos-africa-logo.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Vienna:20261005T083000
DTEND;TZID=Europe/Vienna:20261007T173000
DTSTAMP:20260414T053707Z
CREATED:20260414T052135Z
LAST-MODIFIED:20260414T053707Z
UID:35368-1791189000-1791394200@geodesy.science
SUMMARY:GGOS Days 2026
DESCRIPTION:
URL:https://geodesy.science/event/ggos-days-2026/
LOCATION:Lantmäteriet\, Lantmäterigatan 2C\, Gävle\, 802 64\, Sweden
CATEGORIES:GGOS,IAG Services
ATTACH;FMTTYPE=image/png:https://geodesy.science/wp-content/uploads/GGOSDays2026-scaled.png
ORGANIZER;CN="GGOS Coordinating Office":MAILTO:co@ggos.org
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261007
DTEND;VALUE=DATE:20261010
DTSTAMP:20260423T103027Z
CREATED:20260423T103027Z
LAST-MODIFIED:20260423T103027Z
UID:35616-1791331200-1791590399@geodesy.science
SUMMARY:ESA 10th International Colloquium on GNSS
DESCRIPTION:The topics of the conference include:\no   Time and Frequency Principles and Novel Clock Technologies\no   Scientific Aspects of Positioning and Navigation Applications\no   Reference Frames and Precise Orbit Determination\no   Navigation for Lunar and for Space Applications\no   Scientific Opportunities enabled by GNSS and PNT systems\no   Geodesy\, Geophysics and Earth Sciences\no   Fundamental Physics\no   GNSS Remote Sensing\, Reflectometry and Atmosphere Sounding\no   Optical and Quantum Principles and Technologies for PNT\n\nThe abstract submission has been extended to 8 May\, 2026. The selected papers will be published in Advances in Space Research.\n\nSee the website for details:\nhttps://atpi.eventsair.com/10th-gnss-science-colloquium/
URL:https://geodesy.science/event/esa-10th-international-colloquium-on-gnss/
LOCATION:École de technologie supérieure (ETS) of Quebec\, Montreal\, Canada
CATEGORIES:Commission 1,GGOS,IDS,IERS,IGS,ILRS,IVS
ATTACH;FMTTYPE=image/png:https://geodesy.science/wp-content/uploads/7bd4e54f6bbd4e06b82efc5cd1ea9835__1__Copyright-ESA_2026-04-22_efbb15.png
ORGANIZER;CN="European Space Agency (ESA)":MAILTO:esaconferencebureau@atpi.com
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261012
DTEND;VALUE=DATE:20261017
DTSTAMP:20260709T073443Z
CREATED:20250908T133915Z
LAST-MODIFIED:20260709T073443Z
UID:29332-1791763200-1792195199@geodesy.science
SUMMARY:Gravity Geoid and Height Systems Symposium (GGHS2026)
DESCRIPTION: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. \nThe next edition\, GGHS2026\, will continue this tradition by providing a forum for exchanging ideas\, presenting new research\, and fostering collaboration across the global geodetic community. \n\nOfficial website: https://www.gghs2026.com/ \n\n\nGGHS 2026 Pamphlet [PDF]
URL:https://geodesy.science/event/gravity-geoid-and-height-systems-symposium-gghs2026/
LOCATION:Indian National Science Academy\, New Delhi\, India
CATEGORIES:Commission 2,GGOS,IGFS
ATTACH;FMTTYPE=image/jpeg:https://geodesy.science/wp-content/uploads/geoid-c2_edit.jpg
ORGANIZER;CN="Dr. Virendra Tiwari":MAILTO:virendra.m.tiwari@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261101
DTEND;VALUE=DATE:20261107
DTSTAMP:20260804T044720Z
CREATED:20260804T044430Z
LAST-MODIFIED:20260804T044720Z
UID:37857-1793491200-1794009599@geodesy.science
SUMMARY:24th International Workshop on Laser Ranging
DESCRIPTION: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. \nEvent Website: https://bkg.bund.de/en/bkg/events/ilrs-workshop
URL:https://geodesy.science/event/24th-international-workshop-on-laser-ranging/
LOCATION:Rectoria de la Universidad Tecnologica Nacional (UTN)\, Sarmiento 440\, Buenos Aires\, C1041AAJ\, Argentina
CATEGORIES:AGU,Commission 1,Commission 2,Commission 3,Commission 4,EGU,GGOS,IAG Services,ILRS,IUGG
ATTACH;FMTTYPE=image/webp:https://geodesy.science/wp-content/uploads/ilrs-workshop-2026.webp
ORGANIZER;CN="BKG%2C AGGO":MAILTO:kompetenzzentrum-gow@bkg.bund.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Vienna:20270406T190000
DTEND;TZID=Europe/Vienna:20270406T220000
DTSTAMP:20261012T104742Z
CREATED:20261012T102723Z
LAST-MODIFIED:20261012T104742Z
UID:39426-1807038000-1807048800@geodesy.science
SUMMARY:IAG Geodesy Reception 2027
DESCRIPTION:The Geodesy Reception 2027 is planned to take place on Tuesday\, April 6 (19:00-22:00) during the EGU General Assembly 2027. It will be hosted by the TU Wien and commonly organized with the GGOS Coordinating office at BEV (Federal Office of Metrology and Surveying). \nRegistration\nTo attend this event a registration is required. All details will follow… \nSponsors\nWe are currently looking for further sponsors to enable geodesy networking with more people. Please contact us… \n              \n\nIAG | International Association of Geodesy (main sponsor)\nEGU Geodesy Division\nTU Wien | Department of Geodesy and Geoinformation\n\nOrganiser\n\nIAG-GGOS Coordinating Office (CO) at BEV (Federal Office of Metrology and Surveying\, Austria)\nTU Wien | Department of Geodesy and Geoinformation
URL:https://geodesy.science/event/geodesy-reception-2027/
CATEGORIES:GGOS,IAG
ATTACH;FMTTYPE=image/jpeg:https://geodesy.science/wp-content/uploads/geodesyReception2025-1-scaled.jpg
ORGANIZER;CN="GGOS Coordinating Office":MAILTO:co@ggos.org
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270524
DTEND;VALUE=DATE:20270527
DTSTAMP:20260617T092053Z
CREATED:20260617T092053Z
LAST-MODIFIED:20260617T092053Z
UID:36950-1811116800-1811375999@geodesy.science
SUMMARY:NGGM Science and Applications Workshop 2027
DESCRIPTION:
URL:https://geodesy.science/event/nggm-science-and-applications-workshop-2027/
LOCATION:TBD\, Gruttosingel 20\, Carcassonne\, 2496HW\, France
CATEGORIES: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)
ATTACH;FMTTYPE=image/png:https://geodesy.science/wp-content/uploads/NGGM_Workshop_2027_Copyright-EuropeanSpaceAgency_2026-06-17_cda9f0.png
ORGANIZER;CN="European Space Agency":MAILTO:ilias.daras@esa.int
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20280812
DTEND;VALUE=DATE:20280821
DTSTAMP:20260408T052910Z
CREATED:20260408T052910Z
LAST-MODIFIED:20260408T052910Z
UID:35257-1849651200-1850428799@geodesy.science
SUMMARY:CGU 2028-IGC2028 First Circular
DESCRIPTION: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 theme “Geosciences for Humanity\,” this joint event serves as a premier global forum for advancing Earth science research and its societal applications. \nThe CGU program specifically anchors the Geomatics and Geodesy theme (Category V\, Group AJ)\, focusing on the critical role of geodetic infrastructure in monitoring a changing planet. \nKey Scientific Focus Areas: \n\nReference Frames & Gravity: Modernizing global and regional spatial frameworks.\nGeodynamics: Solid Earth processes\, active tectonics\, and natural hazard assessment.\nClimate & Cryosphere: Glacial Isostatic Adjustment (GIA) and sea-level change.\nSpace Geodesy: Advanced GNSS applications\, reflectometry\, and Earth observation.\nEnvironmental Monitoring: Hydrology and anthropogenic impact tracking.\n\nSubmission Deadline: Session proposals must be submitted via the Scientific Program Portal by March 2027. \nThe first circular is available here \n 
URL:https://geodesy.science/event/cgu-2028-igc2028-first-circular/
LOCATION:BMO Centre\, Calagry\, Canada
CATEGORIES: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
ATTACH;FMTTYPE=image/png:https://geodesy.science/wp-content/uploads/ICG2028_Calgary.png
END:VEVENT
END:VCALENDAR