▁of ▁D ial ▁Global . ▁ ▁In ▁February ▁ 1 9 8 7 , ▁the ▁station ▁switched ▁to ▁an ▁adult ▁standards ▁radio ▁format ▁and ▁changed ▁its ▁call ▁letters ▁to ▁W G TW . ▁Its ▁call ▁sign ▁was ▁a ▁reference ▁to ▁the ▁Atlanta - based ▁classic ▁movie ▁G one ▁with ▁the ▁Wind , ▁which , ▁iron ically , ▁is ▁the ▁favorite ▁movie ▁of ▁CNN ▁founder ▁Ted ▁Turner . ▁The ▁station ▁went ▁by ▁the ▁brand ing ▁" St ard ust ▁ 6 8 0 " ▁during ▁that ▁time . ▁The ▁radio ▁format ▁failed ▁to ▁gain ▁ratings ▁in ▁the ▁market . ▁ ▁In ▁late ▁ 1 9 8 8 , ▁chief ▁engineer ▁Bob ▁May ben ▁and ▁his ▁staff ▁built ▁elaborate ▁stud ios ▁in ▁the ▁CNN ▁Center ▁( former ly ▁known ▁as ▁The ▁Om ni ) ▁and ▁became ▁W C NN ▁" All ▁News ▁ 6 8 0 ", ▁with ▁a ▁ 2 4 - hour ▁local ▁news ▁format . ▁The ▁CNN ▁Head line ▁News ▁audio ▁returned ▁in ▁June ▁ 1 9 9 0 , ▁when ▁the ▁local ▁all - news ▁format ▁failed ▁to ▁generate ▁sufficient ▁ratings . ▁In ▁ 1 9 9 5 , ▁W C NN ▁was ▁le ased ▁to ▁C ox ▁Radio ▁for ▁a ▁ 5 - year ▁term . ▁The ▁radio ▁format ▁was ▁switched ▁to ▁Sports ▁T alk ▁as ▁" 6 8 0 ▁The ▁F an ". ▁In ▁ 1 9 9 8 , ▁the ▁format ▁switched ▁to ▁news / t alk ▁to ▁complement ▁W SB ' s ▁programming . ▁In ▁ 2