Ku Control Unit (KCU) Software Transition: Following yesterday’s swap to KCU2, running the new R4 software, the KCU2 modem card stopped processing Ku forward commands. An eventual power cycle of the entire KCU2 unit recovered KCU2 forward link. Later the KCU2 modem card once again stopped processing Ku forward commands. Ku was transitioned back to … Continue reading “ISS Daily Summary Report – 4/18/2018”