************************************************************************ IERS Message No. 559 June 22, 2026 ************************************************************************ GGOS Session at AGU26 - Call for Abstracts Dear colleagues, We would like to draw your attention to the GGOS session at the AGU Annual Meeting 2026 in San Francisco: G007 - "GGOS Contribution to Improving the Accuracy, Consistency and Availability of Essential Geodetic Products and Standards for the Earth and the Moon" The session welcomes contributions on the role of GGOS and the broader geodetic community in improving the accuracy, consistency and availability of essential geodetic observations, products and standards. Contributions may address Earth monitoring, reference frames, Earth rotation, gravity field observations and products, FAIR data and services, standards, or emerging topics such as quantum and optical geodesy and geodesy for the Moon. We kindly encourage you to consider submitting an abstract yourself. We would also be grateful if you could forward this information to colleagues, working groups, services, young scientists or other experts who may be interested in contributing to this session. The abstract submission deadline is 5 August 2026, 23:59 EDT/03:59 UTC. More information & abstract submission: https://agu.confex.com/agu/agu26/prelim.cgi/Session/281731 Thank you very much for helping us promote this GGOS session and for supporting a strong geodetic contribution to AGU26. Best regards, Martin Sehnal Director of GGOS Coordinating Office | IAG Assistant Secretary-General | Secretary IAG-COB IAG - International Association of Geodesy IAG Secretariat: iag@geodesy.science GGOS - Global Geodetic Observing System GGOS Coordinating Office: ggos@geodesy.science Located at Federal Office of Metrology and Surveying (BEV), Vienna, Austria Email: martin.sehnal@geodesy.science | martin.sehnal@bev.gv.at ************************************************************************ IERS Messages are edited and distributed by the IERS Central Bureau. If not stated otherwise, the IERS is only the distributor of the message and is not responsible for its content. To submit texts for distribution, please write to . To subscribe or unsubscribe, please create an IERS account or modify it: https://www.iers.org/Login/Login/EN/login_node.html or write to . Archives: http://www.iers.org/IERS/Messages ************************************************************************