8139 20260714093138.0 CTALK-2026-0128 Collilieux, Xavier EUREF Study Group on alternatives to ETRS89. Status of work 2026 2026-03-02 NO EUREF Altamimi, Zuheir Ampatzidis, Dimitrios Araszkiewicz, Andrzej Arnfinnsdatter Skaar, Karoline Azcue Infanzón, Esther Bruyninx, Carine Caporali, Alessandro Dach, Rolf Danezis, Chris Gianniou, Michail Kenyeres, Ambrus Kollo, Karin Kotsakis, Christopher Häkli, Pasi Huisman, Lennard Legrand, Juliette Liebsch, Gunter Lidberg, Martin Liepiņš, Ivars Liwosz, Tomasz Männel, Benjamin Pacione, Rosa Poutanen, Markku Prange, Lars Sacher, Martina Schwabe, Joachim Söhne, Wolfgang Torres, João Agria Verbeurgt, Jeffrey Virly, Brice Völksen, Christof Walenta, Anastasiia Wang, Lin Zurutuza, Joachim IAG Symposium Reference Frames for Applications in Geosciences (REFAG2026), Munich, Germany carine.bruyninx@ksb-orb.be Contributed CTALKCONT