KPO | Bay Area Radio Museum & Hall of Fame

KPO Radio, San Francisco The Southern Harmony Four 1934

13 August 2014 BARHOF 0

The Southern Harmony Four, featured in “Crosscuts” from the “Log O’ the Day,” heard every morning on KPO. Among the performers that appeared with the Southern Harmony Four was a young Saunders King, who went […]

KPO Radio, Belmont Motor Generator Room 1933

13 August 2014 BARHOF 0

The motor generator room was located on the first floor of the KPO transmitter building. The generators in this room provided all filament and bias power for the 50 KW transmitter. All generators were duplicated […]

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13 August 2014 BARHOF 0

Anne Jetters, KPO’s telephone exchange operator, and Orrin Brown, station technician, try out the Hale-Chronicle station’s new audio control room. The equipment was installed at the same time as the new 5,000-watt Western Electric transmitter. It […]

KPO Radio, San Francisco Inspecting A Tube For The Big 50 KW KPO Transmitter 1936

13 August 2014 BARHOF 0

In this photo, dated December 15, 1936, A. H. Saxton, NBC Western Division Engineer, explains the workings of one of the KPO transmitter tubes to Alice Tyler of the NBC Plant Department. The water-cooled final […]

Radio Station KPO 50 KW G.E. Transmitter Belmont, California 1933

13 August 2014 BARHOF 1

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 […]

KPO 50kW Transmitter Building Belmont, California 1933

13 August 2014 BARHOF 0

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 […]