In this paper, we propose a automatic method of setting up the telecommand (TC) transmission path for stable and seamless TC transmission in COMS (Communication Ocean Meteorological Satellite) satellite ground control system (SGCS). The proposed a automatic method uses the Command Operation Procedure (COP) algorithm recommended by the Consultative Committee for Space Data System (CCSDS) for guaranteeing a order of TC frame between the ground control system and the satellite and also uses the IF switch to automatically change to a normal TC path by the C&M when a TC path currently transmitted a TC to the satellite is failed. The proposed automatic method is able to more efficiently transmit a TC to the satellite in TC path error than the previous ones.
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