▁other ▁networks ' ▁invest ments ▁in ▁AM ▁radio , ▁and ▁avoided ▁competition ▁with ▁television , ▁which ▁R CA ▁wanted ▁to ▁focus ▁on . ▁ ▁In ▁March ▁ 2 0 0 8 , ▁the ▁F CC ▁requested ▁public ▁comment ▁on ▁turning ▁the ▁band width ▁currently ▁occupied ▁by ▁analog ▁television ▁channels ▁ 5 ▁and ▁ 6 ▁( 7 6 – 8 8   M Hz ) ▁over ▁to ▁extending ▁the ▁FM ▁broadcast ▁band ▁when ▁the ▁digital ▁television ▁transition ▁was ▁to ▁be ▁completed ▁in ▁February ▁ 2 0 0 9 ▁( ult imately ▁delayed ▁to ▁June ▁ 2 0 0 9 ). ▁This ▁proposed ▁allocation ▁would ▁effectively ▁assign ▁frequencies ▁corresponding ▁to ▁the ▁existing ▁Japanese ▁FM ▁radio ▁service ▁( which ▁begins ▁at ▁ 7 6   M Hz ) ▁for ▁use ▁as ▁an ▁extension ▁to ▁the ▁existing ▁North ▁American ▁FM ▁broadcast ▁band . ▁ ▁FM ▁radio ▁switch - off ▁With ▁the ▁in vention ▁of ▁D AB + ▁radio , ▁some ▁countries ▁have ▁planned ▁and ▁started ▁an ▁FM ▁radio ▁switch - off . ▁Norway , ▁in ▁January ▁ 2 0 1 8 , ▁was ▁the ▁first ▁country ▁to ▁dis continue ▁FM ▁as ▁a ▁result . ▁ ▁See ▁also ▁FM ▁broadcast ing ▁Fre quency ▁mod ulation ▁ ▁References ▁ ▁Category : B and pl ans ▁Category : B road cast ▁engineering <0x0A> </s> ▁Prof . ▁Dr . ▁R alf ▁M . ▁Alt me yer ▁is ▁a ▁German ▁v iro log ist ▁who ▁leads ▁the ▁Institut ▁P aste ur ▁of ▁Shang hai , ▁a ▁joint ▁inst itute ▁of ▁the ▁Chinese