The 23cm setup consists of the following : 1) A 2.3 m solid dish , f/D=0.41 . 2) Big RAS SPID HR rotator and its Rot2Prog controller. 4) Tracking is done by “EME FUN software”, see related article 5) A dual dual mode septum feed is used based on the  W2IMU / N2UO design . … Continue reading 23cm EME setup