▁signed ▁on ▁as ▁W R NG , ▁ ▁Atlanta ' s ▁first ▁talk ▁radio ▁station . ▁The ▁last ▁three ▁letters ▁of ▁the ▁call ▁sign ▁represented ▁the ▁station ' s ▁brand ing ▁as ▁" R ing ▁Radio ," ▁as ▁in ▁the ▁ring ing ▁of ▁a ▁tele phone . ▁ ▁The ▁station ▁was ▁originally ▁a ▁day timer ▁operating ▁at ▁ 5 , 0 0 0 ▁w att s ▁but ▁having ▁to ▁sign - off ▁at ▁night . ▁ ▁It ▁was ▁the ▁first ▁broadcast ▁home ▁of ▁talk ▁radio ▁person ality ▁Ne al ▁Bo ort z , ▁who ▁went ▁onto ▁a ▁long ▁career ▁at ▁ 7 5 0 ▁W SB ▁and ▁synd ic ated ▁nation ally . ▁Other , ▁now ▁well ▁known ▁talk ▁radio ▁personal ities ▁were ▁also ▁heard ▁on ▁the ▁station , ▁including ▁R onn ▁O w ens , ▁now ▁at ▁K GO ▁San ▁Francisco , ▁Southern ▁Hum or ist ▁Lud low ▁Por ch , ▁and ▁Barry ▁Young , ▁now ▁at ▁K F Y I ▁in ▁Phoenix . ▁ ▁In ▁ 1 9 8 2 , ▁the ▁station ▁began ▁an ▁experiment ▁by ▁broadcast ing ▁the ▁audio ▁feed ▁of ▁CNN ▁Head line ▁News . ▁The ▁call ▁letters ▁were ▁changed ▁to ▁W C NN , ▁a ▁nod ▁to ▁CNN ' s ▁headquarters ▁being ▁in ▁Atlanta . ▁While ▁no ▁longer ▁on ▁W C NN , ▁the ▁CNN ▁Head line ▁News ▁audio ▁feed ▁ended ▁on ▁April ▁ 1 , ▁ 2 0 1 2 ▁on ▁many ▁radio ▁stations ▁in ▁the ▁United ▁States ▁as ▁a ▁satellite - del iver ed ▁service