Impact of Elevation Angle on 100 Gbps Optical Coherent Uplink Transmission in Low Earth Orbit Satellite Communication. - Mindaugas Jarmolovicius; Ognjen Jovanovic; Samuele Raffa; Gianluca La Torre; Linus Reger; Günter Ritter; Achim Autenrieth; Jörg-Peter Elbers (ECOC, 2025)