▁ 1 9 7 0 s ▁for ▁transm itting ▁the ▁audio ▁car rier ▁signal ▁of ▁a ▁broadcast ▁between ▁two ▁or ▁more ▁regional ▁broad c aster s ▁and ▁sometimes ▁to ▁the ▁transmit ters , ▁where ▁it ▁was ▁converted ▁back ▁to ▁an ▁analog ue ▁FM ▁audio ▁car rier ▁ 6   M Hz ▁above ▁the ▁video ▁car rier ▁signal . ▁ ▁Re ception ▁of ▁the ▁N IC AM ▁signal ▁provided ▁the ▁user ▁had ▁a ▁V CR ▁or ▁a ▁TV ▁capable ▁of ▁dec oding ▁the ▁N IC AM ▁signal , ▁which ▁was ▁broadcast ▁on ▁a ▁car rier ▁ 6 . 5 5 2   M Hz ▁above ▁the ▁video ▁car rier , ▁and ▁thus ▁just ▁ 0 . 5 5 2   M Hz ▁above ▁the ▁FM ▁mon o ▁audio ▁car rier . ▁The ▁first ▁UK ▁N IC AM ▁s tere o ▁broadcast ▁was ▁made ▁in ▁May ▁ 1 9 8 6 ▁on ▁BBC 2 , ▁N IC AM ▁slowly ▁being ▁rolled ▁out ▁across ▁the ▁UK ▁and ▁across ▁the ▁broad c aster ' s ▁programme ▁sched ules ▁over ▁the ▁next ▁ 5 ▁years , ▁cul min ating ▁in ▁the ▁official ▁launch ▁of ▁N IC AM ▁on ▁the ▁BBC ▁in ▁ 1 9 9 1 , ▁I TV ▁and ▁Channel ▁ 4 ▁having ▁begun ▁broadcast ing ▁N IC AM ▁in ▁ 1 9 8 9 ▁and ▁ 1 9 9 0 ▁respectively . ▁ ▁The ▁service ▁was ▁sometimes ▁referred ▁to ▁by ▁its ▁full , ▁official , ▁name , ▁N IC AM - 7 2 8 ▁– ▁the