1. A boom in Earth observation satellites creating new demands for intelligence;Erwin;SpaceNews,2022
2. DIRECT OPTICAL HIGH SPEED DOWNLINKS AND GROUND STATION NETWORKS FOR SMALL LEO MISSIONS;Giggenbach,2010
3. High data-rate optical communication payload for CubeSats
4. An Optical Ground Station for the German Space Operations Center – Status and Outlook;Lantschner,2019
5. The European Optical Nucleus Network;Krynitz,2021