 Westinghouse changed WDTV 's call letters to KDKA @-@ TV after the pioneering radio station of the same name , and switched its primary affiliation to CBS immediately after the sale . Westinghouse 's acquisition of CBS in 1995 made KDKA @-@ TV a CBS owned @-@ and @-@ operated station . 
 Westinghouse changed WDTV <a href='null_genetive' title='1'><mark>'s</mark></a>call letters to KDKA @-@ TV after the pioneering radio station of the same name , and switched its primary affiliation to CBS immediately after the sale . Westinghouse <a href='null_genetive' title='2'><mark>'s</mark></a>acquisition of CBS in 1995 made KDKA @-@ TV a CBS owned @-@ and @-@ operated station . 
Westinghouse changed WDTV  call letters to KDKA @-@ TV after the pioneering radio station of da same name , and switched its primary affiliation to CBS immediately after the sale . Westinghouse  acquisition of CBS in 1995 made KDKA @-@ TV a CBS owned @-@ and @-@ operated station .