****************************************************************************** dorismail 12-Jun-2026 21:01:46 Message No 1489 ****************************************************************************** Author: Urs Hugentobler Subject: CfP for Genesis IAG/ESA Combination Pilot Project Dear Colleagues, the upcoming Genesis mission requires for the first time a rigorous combination of the satellite orbit in the ITRF-combination. In order to test and assess the feasibility of procedures for orbit combination at normal equation level, the IAG WG 1.1.1 jointly with the ESA Genesis WG 1 issue a Call for Participation for a Combination Pilot Project that you find at this link: https://colab.tuwien.ac.at/spaces/GW/pages/637764156/PP-Combination We are looking forward to a participation of multiple expert groups, joining efforts for finding optimum procedures for consistent realization of a future ITRF containing Genesis observations. Please reply to the call until 17.07.2026 or at your earliest convenience. Best regards Urs Hugentobler Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr