multirtl | hackrf-sox & channelize | hopping
here we go already
grgsm_channelize -s 2e6 -f $center -i $arfcn.hop.hrf.sox 23 26 grgsm_channelize -s 12e6 -f $center -i $arfcn.hop.hrf.sox 673 725
check that the main channel has broadcast control content
grgsm_decode --arfcn=673 --mode=BCCH --timeslot=0 --cfile=tele2hop.hrf/out_673.cfile #gsm_a.dtap.msg_rr_type==0x3f
you are now ready to proceed with hopping