On the 25th of June 2020, the EXCELSIOR consortium met on line with the members of the External Advisory Board:
• Vincent Ambrosia-NASA /USA
• Marcello Maranesi-Italy
• Lena Halounova-Czech Technical University/
Czech Republic
• Peter Zeil-Spatial Services/Austria
• Simonetta Cheli/ESA
• Daniel Barok/Israel
