KPO’s 50 KW transmitter, model RT-152-G, was custom-built by General Electric on contract to N.B.C. The contract also included the construction of the transmitter building, cooling pond and antenna system. The driver section of the […]
The KPO transmitter building was built under contract to NBC by General Electric in 1932, along with the transmitter itself. First Floor: In the main room were located the filament and bias motor generator sets, their […]
Another view of the NBC remote broadcast truck shows NBC’s West Coast Music Director, Max Dolin, conducting a broadcast, early 1930s.
This photo shows Master Control at NBC in San Francisco, used from 1927 to 1942. At the extreme left is the Morse code operator’s position, where the NBC Pacific Division communicated with New York, Chicago […]
Engineer-In-Charge George Greaves trains another engineer on the Master Control panel at Radio City, San Francisco. The operator here determined which studio program was fed to which broadcast phone line on the network. Fourteen different […]
A.H. Saxton, NBC Western Division Engineer, inspects one of the new RCA model 44A ribbon microphones just installed at 111 Sutter Street. The new microphone technology was a giant leap forward in sound reproduction. The […]
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