Mario Costantini, Federico Minati, Francesco Trillo, Sergio Proietti, e-GEOS - an Italian Space Agency and Telespazio company, Italy; Alessandro Ferretti, Emanuele Passera, Alessio Rucci, TRE Altamira, Italy; John Dehls, Geological Survey of Norway, Norway; Yngvar Larsen, NORCE, Norway; Petar Marinkovic, PPO.labs, Netherlands; Michael Eineder, Ramon Brcic, German Aerospace Center (DLR), Germany; Robert Siegmund, Paul Kotzerke, GAF AG, Germany; Ambrus Kenyeres, Satellite Geodetic Observatory, Hungary; Vera Costantini, NHAZCA, Italy; Lorenzo Solari, CTTC, Spain; Henrik Andersen, European Environment Agency, Denmark