Z Y ▁Radio ▁Sam ▁( the ▁" Sam " ▁representing ▁the ▁surname ▁initial s ▁of ▁partners ▁Samuel ▁M . ▁Sh ire y , ▁William ▁G . ▁Andrew s ▁and ▁Robert ▁L . ▁McC ra cken ). ▁ ▁Andrew s ▁sold ▁his ▁share ▁to ▁the ▁other ▁two ▁partners ▁in ▁ 1 9 9 1 . ▁W B Z Y ▁was ▁then ▁sold ▁to ▁Jac or ▁in ▁April ▁ 1 9 9 9 ▁for ▁$ 8 0 0 , 0 0 0 , ▁and ▁Jac or ▁was ▁purchased ▁by ▁Clear ▁Channel ▁Communic ations ▁shortly ▁there after . ▁ ▁Clear ▁Channel , ▁which ▁also ▁owned ▁W K ST , ▁switched ▁the ▁call ▁signs ▁in ▁November ▁ 1 9 9 9 . ▁The ▁calls ▁of ▁W K ST - FM ▁were ▁changed ▁to ▁W J ST ▁on ▁October ▁ 1 0 , ▁ 2 0 0 0 , ▁and ▁W K ST - FM ▁call ▁sign ▁was ▁moved ▁to ▁Pitts burgh ▁where ▁it ▁could ▁be ▁used ▁with ▁Clear ▁Channel ' s ▁K I SS - FM ▁brand . ▁ ▁In ▁April ▁ 2 0 0 4 , ▁Clear ▁Channel ▁announced ▁the ▁sale ▁of ▁W K ST ▁along ▁with ▁W B Z Y ▁and ▁W J ST ▁( FM ) ▁to ▁Fore ver ▁Broadcast ing ▁for ▁$ 2 . 8 5 ▁million . ▁ ▁On ▁September ▁ 2 0 , ▁ 2 0 0 4 , ▁the ▁W J ST ▁call ▁sign ▁was ▁moved ▁to ▁ 1 2 8 0 ▁AM , ▁and ▁W J ST - FM