BCCH + CCCH Demapper gsm_bcch_ccch_demapper import grgsm grgsm.gsm_bcch_ccch_demapper( timeslot_nr=$timeslot_nr, ) set_timeslot_nr($timeslot_nr) timeslot_nr timeslot_nr 0 raw bursts message 1 bursts message 1 Piotr Krysik Demapper for BCCH + CCCH control channels. This corresponds to channel combination iv specified in GSM 05.02, section 6.4 gr-gsm/hier_blocks/demapping/gsm_bcch_ccch_demapper.grc