8203 20261014130756.0 CTALK-2026-0151 Collilieux, Xavier EUREF Study Group on alternatives to ETRS89 2026 2026-06-24 NO Altamimi, Zuheir Ampatzidis, Dimitrios Araszkiewicz, Andrzej Skaar, Karoline Azcue Infanzón, Esther Bauer, Tobias Bruyninx, Carine Caporali, Alessandro Dach, Rolf Danezis, Chris Gianniou, Michail Kenyeres, Ambrus Kollo, Karin Kotsakis, Christopher Häkli, Pasi Himle, Sveinung Huisman, Lennard Legrand, Juliette Liebsch, Gunter Lidberg, Martin Liepiņš, Ivars Liwosz, Tomasz Männel, Benjamin Pacione, Rosa Poutanen, Markku Prange, Lars Schwabe, Joachim Söhne, Wolfgang Torres, João Agria Verbeurgt, Jeffrey Virly, Brice Völksen, Christof Walenta, Anastasiia Wang, Lin Zurutuza, Joachim Hide EUREF Symposium 2026, Paris, France carine.bruyninx@ksb-orb.be Contributed CTALKCONT