************************************************************************ IERS Message No. 533 April 23, 2025 ************************************************************************ Forthcoming meetings Content: 1. Newly added meetings 2. Changed data 3. Complete list of forthcoming meetings, April to July 2025 1. Newly added meetings During the last months the following forthcoming conferences, workshops, etc. have been added to the list of meetings related to IERS and its fields of activity: 2025 3rd IAG Commission 4 Symposium: Positioning and Applications 13-15 May 2025 Wuhan, China https://iagc4.bdsmart.cn/index UN-GGCE Geodesy Capacity Development Workshop for Africa on Transitioning to a Modern Geospatial Reference System 19-23 May 2025 Bonn, Germany Science and Technology with the Wetterstein Millimeter Telescope 23-24 June 2025 Zugspitze, Germany https://indico.astro.uni-wuerzburg.de/event/1/ EUREF Symposium 2025 25-26 June 2025 Covilha, Portugal https://euref2025.segal.ubi.pt/ Fifteenth Session of the United Nations Committee of Experts on Global Geospatial Information Management (UN-GGIM) 6-8 August 2025 New York City, USA https://ggim.un.org/meetings/GGIM-committee/15th-Session/ JIVE VLBI School (JVS 2025) 15-19 September 2025 Dwingeloo, The Netherlands https://www.jive.eu/news/jive-vlbi-school-2025 2025 GRACE-FO Science Team Meeting 7-9 October 2025 Boulder, CO, USA https://grace.jpl.nasa.gov/events/117/2025-grace-fo-science-team-meeting 34th CODATA General Assembly 17-18 October 2025 Brisbane, Australia https://codata.org/events/general-assembly/general-assembly-2025/ 10th International VLBI Technology Workshop (IVTW) 22-24 October 2025 Gothenburg, Sweden 5th IVS Training School on VLBI for Geodesy and Astrometry 26-28 October 2025 Gothenburg, Sweden https://www.maanmittauslaitos.fi/en/about-nls/organisation/ cooperation-groups/ivs-committee-education-and-training/ 5th-ivs-training [Please note the line wraps in this link.] DORIS Analysis Working Group Meeting Athens, Greece 6-7 November 2025 https://ids-doris.org/ids/reports-mails/meeting-presentations/ ids-awg-11-2025.html [Please note the line wrap in this link.] 2026 IAG International Symposium on Reference Frames for Applications in Geosciences (REFAG2026) 2-4 March 2026 Munich, Germany https://ggos.org/event/munich2026/ GGOS/IERS Unified Analysis Workshop (UAW2026) 5-6 March 2026 Munich, Germany https://ggos.org/event/munich2026/ TIGER (Tracking and Investigating Geodynamics and Earth Rotation) Symposium (1st symposium of the IAG Commission 3 on Earth Rotation and Geodynamics, in cooperation with the Journees meeting series) 28 September - 1 October 2026 Gavle, Sweden https://ggos.org/event/tiger-symposium-commission3/ GGOS Days 2026 5-7 October 2026 Gavle, Sweden https://ggos.org/event/ggos-days-2026-topical-meeting/ 2027 ION Precise Time and Time Interval Meeting (PTTI) 25-28 January 2027 Anaheim, CA, USA 2028 ION Precise Time and Time Interval Meeting (PTTI) 24-27 January 2028 Monterey, CA, USA 2029 ION Precise Time and Time Interval Meeting (PTTI) 22-25 January 2029 Monterey, CA, USA 2030 ION GNSS+ 2030 9-13 September 2030 San Diego, CA, USA 2031 ION GNSS+ 2031 8-12 September 2031 San Diego, CA, USA 2. Changed data For the following meetings that were previously announced, data has been updated (link added, or start/end dates changed, or location changed or added, etc.): Thirteenth IVS Technical Operations Workshop (TOW 2025) 4-8 May 2025 Westford, MA, USA https://www.haystack.mit.edu/tow2025/ European Navigation Conference 2025 (ENC 2025) 21-23 May 2025 Wroclaw, Poland https://enc-series.org/2025/ ION GNSS+ 2025 8-12 September 2025 Baltimore, MD, USA https://www.ion.org/gnss/ ILRS Technical Workshop 19-24 October 2025 Arequipa, Peru AGU 2025 Fall Meeting 15-19 December 2025 New Orleans, LA, USA https://www.agu.org/annual-meeting 3. Complete list of forthcoming meetings, April to July 2025 The following list indicates meetings for the following 3 months. A complete list of forthcoming meetings until 2031 is available at https://www.iers.org/IERS/meetings. EGU General Assembly 2025 27 April - 2 May 2025 Vienna, Austria https://www.egu25.eu/ Thirteenth IVS Technical Operations Workshop (TOW 2025) 4-8 May 2025 Westford, MA, USA https://www.haystack.mit.edu/tow2025/ Joint IEEE International Frequency Control Symposium and European Frequency and Time Forum (IFCS-EFTF 2025) 12-16 May 2025 Queretaro, Mexico https://www.eftf.org/next-meeting/ 3rd IAG Commission 4 Symposium: Positioning and Applications 13-15 May 2025 Wuhan, China https://iagc4.bdsmart.cn/index UN-GGCE Geodesy Capacity Development Workshop for Africa on Transitioning to a Modern Geospatial Reference System 19-23 May 2025 Bonn, Germany European Navigation Conference 2025 (ENC 2025) 21-23 May 2025 Wroclaw, Poland https://enc-series.org/2025/ Science and Technology with the Wetterstein Millimeter Telescope 23-24 June 2025 Zugspitze, Germany https://indico.astro.uni-wuerzburg.de/event/1/ EUREF Symposium 2025 25-26 June 2025 Covilha, Portugal https://euref2025.segal.ubi.pt/ AOGS 22nd Annual Meeting 27 July - 1 August 2025 Singapore https://www.asiaoceania.org/aogs2025/ ************************************************************************ IERS Messages are edited and distributed by the IERS Central Bureau. 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