The activities started in 2008 with an IAG Inter-Commission Project and have been continued as Joint Working Group with IGFS, BGI and IGETS in IAG Subcommission 2.1 on Terrestrial Gravimetry. 

The base basis of the activities is documented below.

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Minutes of Working Group Meetings

Webmeeting 16. July 2026: Presentation

Webmeeting 17. February 2026:   Presentation

IAG 2025 Rimini, Italy, 3. September 2025:  Minutes | Presentation

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