▁there after ▁program med ▁separately ▁during ▁the ▁day ▁and ▁sim ul cast ▁W LS ▁AM ▁at ▁night . ▁ ▁On ▁January ▁ 2 0 , ▁ 1 9 8 6 , ▁W LS - FM ▁ended ▁the ▁AM ▁sim ul cast ▁and ▁became ▁known ▁as ▁W Y T Z ▁" Z - 9 5 ". ▁Initial ly , ▁the ▁station ▁a ired ▁a ▁rock - lean ing ▁Top ▁ 4 0 ▁format , ▁but ▁by ▁the ▁late ▁ 1 9 8 0 s , ▁the ▁station ▁was ▁more ▁main stream , ▁as ▁compet itor ▁B 9 6 ▁increasing ly ▁focused ▁on ▁R & B ▁and ▁dance ▁music . ▁W Y T Z , ▁which ▁was ▁briefly ▁re brand ed ▁as ▁" H ell " ▁( an ▁ab orted ▁and ▁controvers ial ▁one - week ▁st unt ) ▁and ▁" Hot ▁ 9 4 . 7 " ▁in ▁March ▁ 1 9 9 1 , ▁could ▁not ▁with stand ▁the ▁competition ▁from ▁" B 9 6 ". ▁ ▁Rot ating ▁formats ▁W Y T Z ▁again ▁became ▁W LS - FM ▁at ▁ 7 ▁p . m . ▁on ▁October ▁ 2 5 , ▁ 1 9 9 1 . ▁After ▁playing ▁" Every body ' s ▁T alk in '" ▁by ▁Harry ▁Nil sson , ▁the ▁station ▁switched ▁formats ▁to ▁talk , ▁again ▁sim ul cast ing ▁W LS ▁AM ▁much ▁of ▁the ▁time . ▁On ▁June ▁ 1 3 , ▁ 1 9 9 4 , ▁W LS - FM ▁split ▁off