Roadmap to wide band optical GEO relay networks. - Robert Lange; Frank Heine; Matthias Motzigemba; Michael Lutzer; Rolf Meyer (MILCOM, 2012)

Alphasat laser terminal commissioning status aiming to demonstrate Geo-Relay for Sentinel SAR and optical sensor data. - Stefan Seel; Daniel Troendle; Frank Heine; Herwig Zech; Matthias Motzigemba; Uwe Sterr (IGARSS, 2014)