 Nyora kupfuurira kweiyi ndima - Sezvo redhiyo yeKDKA yakanga yave iri nguva yakareba mubatanidzwa weNBC Blue Network Westinghouse aive mubatanidzwa weRCA, kambani yemubereki yeNBC, zvaitarisirwa kuti KDKA-TV pakupedzisira yaizove mubatanidzwa wekutanga weNBC terevhizheni network. Asi nhepfenyuro yacho yaitsvaka kutenga nhepfenyuro dzeWestinghouse dzePhiladelphia, nhepfenyuro yeKYW neWPTZ zvino KYW-TV. Apo Westinghouse akaramba, NBC yakatyisidzira kubvisa purogiramu yayo kubva kuWPTZ neBostons WBZ-TV kunze kwekunge Westinghouse akabvumirana kutengesa zvivako zvayo zvePhiladelphia nokuda kweredhiyo yeNBC uye zvivako zveterevhizheni muCleveland. Zvinoenderana nekutengeserana, Westinghouse yakagamuchira cross-chiteshi kuregererwa kubva kuFCC kuve neCleveland zvivakwa nekuda kwekupindirana kwezviratidzo neKDKA redhiyo uye chiteshi 2. Chisarudzo chacho chaizotungamirira kuukama hwakashata pakati peWestinghouse neNBC mumakore akazotevera. Makore maviri mushure mekushandurwa kwemuridzi, chiteshi 2 chakava mubatanidzwa wekutanga weiyo yepamusoro-yakatarwa CBS network pachinzvimbo. KDKA-TV yakachengetedza hukama hwechipiri neNBC kusvikira WIIC-TV chiteshi 11, ikozvino WPXI yakasaina muna 1957, uye ABC kusvikira WTAE-TV chiteshi 4 yakasaina muna 1958. Pasinei nokuguma kwebhizimisi rayo reVHF monopoly, KDKA-TV yakagamuchira mukwikwidzi WIIC-TV mumhepo. KDKA-TV yakava mureza chiteshi Westinghouse kuti nhepfenyuro ruoko, Group W. Munguva mukupera 1950s, KDKA-TV akanga pfupi vemumapato NTA Film Network, kugoverana affiliation pamwe WTAE-TV, WIIC-TV, uye WQED. Musi waNovember 22, 1963, muparidzi wenhau Bill Burns akapa inenge maawa matatu enhau mhenyu pashure pokupfuraweMutungamiri John F. Kennedy. 