, ▁ 2 0 1 2 , ▁ending ▁David son ' s ▁invol vement ▁with ▁the ▁station . ▁ ▁On ▁August ▁ 2 7 , ▁ 2 0 1 2 , ▁at ▁ 5 : 0 0 ▁pm , ▁W NO W - FM ▁f li pped ▁to ▁Urban ▁Old ies , ▁brand ed ▁as ▁" Old ▁School ▁ 1 0 5 . 3 ". ▁Core ▁artists ▁include ▁Luther ▁V and ross , ▁the ▁Is ley ▁Brothers , ▁Michael ▁Jackson , ▁Earth , ▁Wind ▁& ▁Fire , ▁and ▁An ita ▁Baker . ▁Radio ▁One ▁regional ▁vice ▁president ▁Gary ▁We iss ▁said ▁the ▁format ▁had ▁done ▁well ▁on ▁K SO C ▁in ▁the ▁Dallas ▁market . ▁The ▁first ▁song ▁on ▁" Old ▁School " ▁was ▁" F ant astic ▁Vo y age " ▁by ▁L akes ide . ▁ ▁The ▁station ▁changed ▁its ▁call ▁letters ▁to ▁W OS F ▁on ▁November ▁ 8 , ▁ 2 0 1 2 , ▁after ▁the ▁W NO W - FM ▁call ▁sign ▁moved ▁to ▁the ▁former ▁W X R K ▁in ▁New ▁York ▁City . ▁ ▁W OS F ▁operated ▁two ▁transl ators ▁to ▁improve ▁its ▁coverage -- in ▁Charlotte ▁at ▁ 9 6 . 5 ▁FM , ▁and ▁Dallas ▁( ser ving ▁Gast onia ) ▁at ▁ 9 8 . 3 ▁FM . ▁ ▁In ▁ 2 0 1 4 , ▁it ▁sold ▁the ▁transl ators ▁to ▁Radio ▁Training ▁Network , ▁who ▁converted ▁them ▁into ▁repe aters ▁for ▁its ▁" H is ▁Radio " ▁contemporary ▁Christian