Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: RCA yakashandisa $ 1 miriyoni kutenga WEAF neWashington hanzvadzi yehanzvadzi WCAP, yakavhara chiteshi chekupedzisira, uye yakabatanidza zvivako zvayo nechiteshi cheWRC; mukupera kwa1926, yakazozivisa kusikwa kwechikamu chitsva chinozivikanwa seNational Broadcasting Company. Kuva muridzi kwechikamu kwakakamurwa pakati peRCA (muvambi wemuzhinji pa50%), mubatanidzwa wayo wekutanga wekambani General Electric (iyo yaive ne30%) uye Westinghouse (yaive ne20% yasara). NBC yakatanga kutepfenyura zviri pamutemo musi waNovember 15, 1926.  Mubvunzo: NBC yakatanga kutepfenyura mumwedzi upi?
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