• KGO Studio Building, Oakland, CA, 1924
  
• KGO Main Studio, 1924
  
• KGO Audio Control Room, 1924
  
• KGO Transmitter Building and Antenna, Oakland, CA, 1924
  
• KGO 7,500 watt Transmitter, 1924
  
• Another view of KGO Transmitter Room, 1924
  
• KGO Motor Generator Room, 1924
  
• KGO transmitter engineers pose in front of transmitter building - 1934
  
• KGO tower falls in the 1989 earthquake
  
• Views of the KGO transmitter site in 2006
  

• KPO's first studio with 50 watt transmitter, 1922
  
• KPO 500-watt transmitter and control desk, 1923
  
• KPO's 1000-watt transmitter, 1925
  
• Another view of KPO 1000-watt transmitter
  
• KPO speech amplifier equipment, 1925
  
• KPO antenna on the roof of Hale Brothers' Department Store, about 1925
  
• KPO's new studio complex (floor plan), Hale Brothers', 1929
  
• KPO's studio "A", Hale Brothers' Department Store, 1929
  
• KPO's studio "B", Hale Brothers' Department Store, 1929
  
• KPO's 5000-watt transmitter, Hale Brothers' Annex, 1929
  
• New KPO master control equipment is installed, 1929
  
• Hugh Barrett Dobbs, KPO's morning program host, 1920's
  
• KPO childrens' program host, "Big Brother", at the microphone.
  
• "Marshall's Mavericks", featuring Charlie Marshal, 1934
  
• Southern Harmony Four on KPO, 1934
  
• Edna Fischer, popular KPO pianist , 1934
  
• KPO covers the United Nations organizational meeting, 1945
  
• Ticket to 'Hale and Farewell' Broadcast, When KPO Became KNBC, 1947
  
• Staff of the Doug Pledger Show, KNBR, 1950's
  

• KPO transmitter building, under construction, 1933
  
• Finished view and full description of KPO's transmitter building
  
• One of two KPO towers under construction, 1933
  
• Completed KPO Antenna Site, 1948
  
• Additional views of the KPO Antenna
  
• KPO 50 KW G.E. Transmitter, 1933
  
• Detail views of KPO 50 KW Transmitter
  
• Inspecting Giant Air Capacitor in the Output Network of 50 KW Transmitter
  
• Motor Generator Room for KPO 50 KW Transmitter,
  
• Cooling Pond for G.E. 50KW Transmitter
  
• Inspecting One of the 50 KW Water-Cooled Tubes
  
• KPO transmitter engineering staff mid 1930's
  
• KPO's transmitter engineering staff, 1941
  
• Joseph Baker, KNBC Chief Engineer, 1947
  
• KNBC-FM antenna installed on Belmont East tower, 1947
  
• The West tower comes down to make way for new KNBC tower, 1949
  
• Building the new KNBC tower, 1949
  
• New KNBC (KPO) Franklin antenna, 1949
  
• Engineer Joseph Baker stands atop the new KNBC tower, 1949
  

• West Coast network program lines, 1929
  
• National NBC network program lines, 1935 and 1937
  
• The Hunter-Dulin Building, 111 Sutter Street - NBC home from 1927-42
  
• View of NBC Master Control Room, 111 Sutter Street
  
• NBC Engineers Pose in the NBC Control Room, 111 Sutter Street, 1938.
  
• NBC Staff in Studio 'A', 111 Sutter Street, 1941
  
• The "Announcer's Delight", NBC, San Francisco, about 1930
  
• "Taking Inventory in the Microphone Storage Room"
  
• The First RCA 44A Ribbon Microphones are Installed at 111 Sutter Street
  
• Max Dolin, Music Director at NBC San Francisco 1926-32
  
• Max Dolin conducts NBC studio orchestra, Hales' Department Store annex studio, 1927
  
• Another view of Max Dolin and the NBC studio orchestra, 111 Sutter St.
  
• Meredith Willson & Orchestra in 111 Sutter Street Studio, 1934
  
• Broadcast of "Carefree Carnival", Marines' Memorial Theatre, 1936.
  
• Meredith Willson, Music Director of Carefree Carnival.
  
• Meredith Willson and Estelle Caen, 1936
  
• The Cast of "One Man's Family", broadcasting from Studio "C", 111 Sutter Street
  
• Another View of a "One Man's Family" broadcast
  
• Author Carleton E. Morse, reviewing bound scripts of "One Man's Family", 1930's
  
• Bernice Berwin, radio actress and 'Hazel' of 'One Man's Family'
  
• Wilda Wilson Church, pioneer radio drama producer, on NBC in 1930's
  
• Paul Carson, NBC organist, creator of the "Bridge to Dreamland
  
• Cecil and Sally, radio entertainers at NBC San Francisco
  
• The Aarion Trio
  
• Some early NBC announcers
  
• B. Floyd Farr, KPO and KEEN
  
• Don E. Gilman, NBC's Western Division Manager
  
• An Engineer Mixing Audio for an NBC Remote Program, 111 Sutter Street
  
• NBC Remote Broadcast Truck, outside California Palace of Legion of Honor, 1930's
  
• Max Dolin Broadcasting from the NBC Remote Truck, early 1930's
  
• NBC Remote Broadcast Truck, 1940's
  
• Another NBC Remote Broadcast - 1940's
  

• Architects Renderings of the Radio City Building.
  
• Views of Radio City under construction.
  
• Radio City, the Home of NBC/KGO/KPO, Taylor and O'Farrell Streets, 1942
  
• Color View of Radio City, from a 1942 post card.
  
• NBC Radio City, as it appears today.
  
• Mosaic mural above the main entrance to Radio City
  
• Studio "A" of Radio City, program rehearsal in progress.
  
• Another View of Studio "A".
  
• Main control room of Studio "A", Radio City
  
• Studio "C" of Radio City
  
• Studio "D" of Radio City
  
• Master Control Room of Radio City, 1944
  
• Another View of Radio City Master Control
  
• Recording Room of Radio City
  
• Another View of Recording Room
  
• The Making of a Recording
  
• Sound Effects Storage Room, Radio City
  
• Engineer Checks the Final Wiring of Radio City
  
• Another Photo of Final Installation Checks
  
• Additional Views of Radio City.
  
• Floor Plan, 1st floor, Radio City
  
• Floor Plan, 2nd floor, Radio City
  
• Floor Plan, 3rd floor, Radio City
  
• Floor Plan, 4th floor, Radio City
  
• Floor Plan, 5th floor, Radio City
  
• NBC Radio City, Sunset and Vine, Hollywood
  

• Young Harrison Holliway operating his ham radio station, 6BN
  
• KFRC's first studio, in the City of Paris Department Store, 1925
  
• Harrison Holliway, founder and Manager of KFRC
  
• Harrison Holliway announcing on KFRC's "Jamboree", 1927
  
• The Cast of KFRC's Blue Monday Jamboree, 1927
  
• The Don Lee Cadillac Building, exterior view
  
• The Don Lee Cadillac Building, showroom view
  
• Meredith Willson, KFRC's Music Director, 1929
  
• Al Pearce, of KFRC's 'Happy Go Lucky Hour'
  
• Cast Photo of KFRC's 'Happy Go Lucky Hour'
  
• 'Haywire Mac' McClintock of KFRC's "Mac and His Gang", 1920's
  
• Tommy Harris, KFRC's 14-year-old star vocalist, late 1930's
  

• Invitation to the inaugural ceremonies of KTAB, Oakland, 1925
  
• The main studio of KTAB, 1926
  
• The KTAB operating room, 1926
  
• The KTAB antenna on the roof of the Tenth Avenue Baptist Church, 1926
  
• The staff of KTAB, 1926
  
• Broadcasting the 9 AM "Hour of Prayer" over KTAB, 1926
  
• Wesley I. Dumm, President of the Associated Broadcasters, 1942
  
• KSFO newsmen, 1945
  
• KSFO's Wally King, 1945
  
• Announcer Rod Kurry on the air at KSFO, 1942
  
• KSFO master control, 1942
  
• KSFO Studio Eleven, No. 1 Nob Hill Circle, 1945
  
• KSFO transmitter and tower, 1942
  
• KSFO transmitter and tower, 2006
  
• KSFO and KPIX-TV building, 2655 Van Ness Avenue, 1952
  
• KSFO, Fairmont Hotel, mid 1950's
  

• KRE studio in the Claremont Hotel, 1922
  
• KRE transmitter room in the Claremont Hotel, 1922
  
• KRE studios in the Claremont Hotel, late 1920's
  
• KRE control room in the First Congregational Church
  
• KRE studio "A" on Shattuck Ave., 1934
  
• KRE studio "B" on Shattuck Ave.,1938
  
• Broadcast of a Wrestling Match on KRE, 1938
  
• KRE transmitter building, Ashby Avenue, Berkeley, 1937.
  
• Control Room in KRE's new transmitter building, 601 Ashby Avenue, Berkeley, 1937
  
• KRE studio building and tower, Ashby Avenue, Berkeley, 1950's
  
• KRE transmitter buildings, as it appears today.
  

• Doc Herrold and Ray Newby, 1909
  
• Doc Herrold operating the arc-fone station, about 1912
  
• Dr. Charles Herrold on the air on KQW, early 1920's
  
• KQW towers on the First Baptist Church, San Jose, 1925
  
• KQW's main studio in San Jose, mid 1920's
  
• Charles L. McCarthy, co-owner and Manager of KQW in the 30's and 40's.
  

• KYA's first studio in the Clift Hotel, 1926
  
• KYA's RCA 1-B Transmitter at the Whitcomb Hotel
  
• KYA's New Transmitter Site, 1937 - Exterior
  
• KYA's new Transmitter Site, 1937 - Interior
  
• KYA'S new RCA 5-C Transmitter, 1937
  
• KYA motor generators, 1937
  
• KYA's FCC License, 1937
  
• Cowboy Bob on KYA, 1940's
  
• KYA tower falls, 1986
  

• Francis McCarty transmits from the Cliff House, 1902
  
• Lee DeForest and performer, broadcasting from 6XC in the California Theatre, 1920
  
• Operating room of KDN, Fairmont Hotel, 1921
  
• Preston Allen with KLX's 50 watt transmitter, "Powerful Katrinka", 1922.
  
• Floor plan of KLX studios in the Tribune Tower Building, 1926
  

• The "KFI" antenna on the roof of the Earl C. Anthony Building, San Francisco 1970
  
• KYA Sports reporter Ernie Smith
  
• KJBS, Pine Street
  
• KOBY Top 40 Survey, 1959
  
• KSAN Tower on the Merchandise Mart Building
  
• Del Gore, KROW announcer
  

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