RCA da Sarnoff sun kama haske ta hanyar gabatar da talabijin na lantarki ga jama'a a 1939 <unk> 40 New York World's Fair, a lokaci guda suna fara shirye-shiryen yau da kullun a tashar talabijin ta NBC-RCA a Birnin New York. Shugaba Franklin D. Roosevelt ya bayyana a wurin baje kolin a gaban kyamarar NBC, ya zama shugaban Amurka na farko da ya bayyana a talabijin a ranar 30 ga Afrilu, 1939 (ainihin, hoton da ba a gani ba na watsa shirye-shiryen FDR yana samuwa a David Sarnoff Library). An watsa shirye-shiryen ta tashar talabijin ta NBC ta New York WX2BS Channel 1 (daga baya WBC-NTV; yanzu WNBC, tashar 4) kuma kusan masu kallo 1,000 ne suka gani a cikin tashar tashar ta kusan kilomita 40 (64 kilomita) daga tashar watsa shirye-shiryen WNBC. Tambaya: Menene WNBC ta watsa daga asalin ginin Empire State?
Ginin Jihar Empire