List of experimental television stations

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Contents

This page lists all of the experimental television stations before 1946. After 1946, the television frequencies were opened up to commercialization, and regular broadcasts began.

This list is incomplete; you can help by expanding it.

[edit] Television stations, as of 1928

[edit] United States of America
Television
Call-sign
(Original)		 Television
Call-sign
(Current)		 City or location Owner Transmitter height (meters) Television frequency Television channel (current) On air Off air Disk holes or lines Frames per second Original broadcast system Current broadcast system
WRNY None New York City WRNY-AM 326 meters 919 KHz None August 13, 1928 1929 48 10 Mechanical television None
2XAL None New York City WRNY-AM (with WRNY), 30.91 9700 KHz None August 13, 1928 1929 48 7.5 Mechanical television None
3XK None Washington, DC Charles Jenkins Laboratories 46.7 meters 1605 KHz None July 2, 1928 1932 (1934?) 48 Unknown Mechanical television None
WGY WRGB-TV Schenectady, NY General Electric 380 meters 790 KHz Channel 6 (VHF) Unknown Unknown 48 Unknown Mechanical television NTSC
WOR WWOR-TV Newark, NJ Bamberger Broadcasting (from WOR-AM) 405 meters 740 KHz Channel 9 (VHF) Unknown Unknown Unknown Unknown Mechanical television NTSC
KDKA KDKA-TV Pittsburgh, PA Westinghouse Electric Company 62.5 meters 4798 KHz Unknown Unknown Unknown Unknown Unknown Mechanical television NTSC
1XAY None Lexington, MA WLEX-AM 51-62 meters 1900 to 4700 KHz Unknown Unknown
4XA None Memphis, TN WSM-AM 120-125 meters 2500-2100 KHz
9XAA
(short-wave station of
WCFL, officially W9XAA)		 None Chicago, IL WCFL-AM/Chicago Federation of Labor 62 meters 4800 KHz

[edit] Television stations, as of December, 1928

[edit] United States of America
Television
Call-sign
(Original)		 Television
Call-sign
(Current)		 City or location Owner Transmitter height (meters) Television frequency Television channel (current) On air Off air Disk holes or lines Frames per second Original broadcast system Current broadcast system
WGY WRGB-TV Schenectady, NY General Electric 380 meters 379.5 MHz Channel 6 (VHF) 1928 Still On Air 24 21 Mechanical Television NTSC
2XAF (Upgrade of WGY) WRGB-TV Schenectady, NY General Electric 380 meters 31.4MHz Channel 6 (VHF) 1928 Still On Air 24 21 Mechanical Television NTSC
2XAD (upgrade of W2XAF above) WRGB-TV Schenectady, NY General Electric Channel 6 (VHF) 21.96 MHz Channel 6 (VHF) 1928 Still On Air 24 21 Mechanical Television NTSC
WRNY None New York City WRNY-AM 326 meters 919 KHz None August 13, 1928 1929 36 10 Mechanical television None
2XAL None New York City WRNY-AM (with WRNY), 30.91 9700 KHz None August 13, 1928 1929 48 7.5 Mechanical television None
3XK None Washington, DC Charles Jenkins Laboratories Unknown 46.72 MHz July 2, 1928 1932 (1934?) 48 15
WCFL Chicago, IL Chicago Federation of Labor 61.5 MHz 45 15
WKBI Chicago, IL 215.7 MHz 48 15
WIBO Chiago, IL 305.9 MHz 45 15
KGFJ Los Angeles 212.6 MHz 48 --
WLBX Lexington, MA 62.5 MHz 48 --

[edit] Television stations, from 1928 to 1939

[edit] United States of America
Television
Call-sign
(Original)		 Television
Call-sign
(Current)		 City or location Owner Television frequency Television channel (current) On air Off air Disk holes or lines Frames per second Original broadcast system Current broadcast system
KS2XBS
(First pay-TV service, "PhoneVision")		 None Chicago, IL Zenith 2.1-2.2 mHz, later Channel 2 Channel 2 1939, 1951 1953?  ?  ? NTSC NTSC
W1WX (later became W1XAV) None Boston, Massachusetts SW and Television (Hollis Baird) 2120 kHz None April 1929 (became W1XAV in December 1929) 1931 48 and 60 lines 15 Mechanical Television None
W1XAV None Boston, MA SW and Television (Hollis Baird) 2.1-2.2 mHz None 1930 1931 48 15 Mechanical television None
W1XAV None Boston, MA 2.1-2.2 mHz SW and Television (Hollis Baird) 1931 1934 60 20 Mechanical television None
W1XAY None Lexington, MA Boston Post, WLEX 2.0-2.1 mHz None 1928 1930 48 18 Mechanical Television None
W2XB/WGY/W2XAF/W2XAD WRGB Schenectady, NY General Electric 2.1-2.2 mHz VHF 6 1928  ? 48 20 Mechanical television None
W2XCR None New York, NY Charles Jenkins Laboratories 2.75-2.85 mHz None 1929 1931 48 15 Mechanical Television None
W2XCR None New York, NY Charles Jenkins Laboratories 2.75-2.85 mHz None 1931 1933 60 20 Mechanical Television None
W2XBS WNBC-TV New York, NY RCA 2.0-2.1 mHz Channel 4 (VHF) 1928 1929  ?  ? Mechanical television NTSC
W2XBS WNBC-TV New York, NY RCA 2.75-2.85 mHz Channel 4 (VHF) 1928 1929 60 20 FPS Mechanical television NTSC
W2XAB WCBS-TV New York, NY CBS 2.1-2.2 mHz Channel 2 1931 1933 60 20 Mechanical television NTSC
WRNY None New York, NY Unknown 1010 kHz None 1928 1929 36  ? Mechanical Television None
WRNY None New York, NY Unknown 1010 kHz None 1928  ? 48 10 Mechanical television None
W2XR None Long Island City, NY Hogan's Radio Pictures 2.85-2.95 mHz None 1929 1934 60 20 Mechanical television None
W3XK None Wheaton, MD (Moved to Silver Spring, MD?) Charles Jenkins Laboratories 6420 kHz (6.42 MHz) None 1928 1931 48 15 Mechanical television None
W3XK None Washington, DC Charles Jenkins Laboratories 2.0-2.1 mHz None 1931 1934 60 20 Mechanical Television None
W9XX, later became W5XA None Shreveport, LA Rev. Lannie W. Stewart 1604 kHz None 1929 1934 45 15 Mechanical Television None
W5XA None Shreveport, LA Paul L. Carriger 1594 kHz (video on the 160-meter amature band) None 1932 1934 45 15 Mechanical television None
W6XAH None Bakersfield, California Pioneer Mercantile Company 2000-2100 kHz, also simulcast on 1550 kHz in 1932 None January 6, 1932 1935 96 20 Mechanical television None

[edit] Television stations, from 1928 to 1939

[edit] United States of America, Canada
Television
Call-sign
(Original)		 Television
Call-sign
(Current)		 City or location Owner Television frequency Television channel (current) On air Off air Disk holes or lines Frames per second Original broadcast system Current broadcast system
KGFJ Los Angeles, CA 1928  ? 48  ?
W6XS Los Angeles, CA Don Lee Broadcasing 2.1-2.2 mHz 1931 1935 80 20 Mechanical Television None
W6XAO KCBS-TV Los Angeles, CA Don Lee Broadcasing 44.5 MHz (44-50 MHz, Channel 1) Channel 2 December 23, 1931 1936 80 20 Mechanical Television NTSC
W7XAO Portland, OR Wilbur Jerman 2.75-2.85 mHz 1929  ? Mechanical Television None
W9XAA, WCFL Chicago, IL Chicago Federation of Labor 2.0-2.1 mHz 1928  ? 45 15 Mechanical Television None
WIBO Chicago, IL 1928  ? 45 15 Mechanical Television None
W9XAK Manhattan, KS Kansas State College 2.1-2.2 mHz 1932 1939 60 20 Mechanical Television
W9XAL Kansas City, MO First National Television 2.1-2.2 mHz 1933 1935 45 15 Mechanical Television
W9XAO Chicago, IL Western Television (Sanabria) 2.0-2.1 mHz 1930 1933 45 15 Mechanical Television
W9XAP Chicago, IL Chicago Daily News 2.1-2.2 mHz 1930 1933 45 15 Mechanical Television
W9XAT Minneapolis, MN George Young, radio station WDGY 42-50 mHz, 60-86 mHz (Channel 1) 1933 1938 125  ? Mechanical Television
W9XD Milwaukee, WI Milwaukee Journal 1931 1938 45 15 Mechanical Television
W9XG Lafayette, IN Purdue University 2.75-2.85 mHz 1931 1939 60 24 Mechanical Television
W9XK, W9XAZ Iowa City, IA State University of Iowa 2.0-2.1 mHz 1933 1939 45 15 Mechanical Television
W2XJT Jamaica, New York Jamaica Radio Television Company Channel 3, then Channel 13 None 1940, moved to Ch. 13 in 1945 Unknown  ?  ? Mechanical Television None
VE9EC (also given as VE9AK) CBFT-TV Montreal, Quebec Canadian Television, Limited (built by Peck Television Corp.) VHF Channel 6 Unknown 1931-1935, 1952-Present 1935-1952 Unknown Unknown Mechanical television Now NTSC-M
VE9AK CBLT-TV Toronto, Ontario Rogers Communications VHF Channel 5 42 MHz 1938, 1952-Present 1938-1952 Unknown Unknown Mechanical television Now NTSC-M

[edit] Television stations, from 1928 to 1939

[edit] Europe
Television
Call-sign
(Original)		 Television
Call-sign
(Current)		 City or location Owner Television frequency Television channel (current) On air Off air Disk holes or lines Frames per second Original broadcast system Current broadcast system
Baird Television Ltd. via BBC transmitter 2LO Unknown London, England Baird Television Ltd. Unknown September 30, 1929 June 1932 30 25 Mechanical television
Unknown (Possibly 2LO, as above?) BBC One London, England Baird Television Ltd. August 22, 1932 September 11, 1935 30 25 Mechanical television Now PAL
Fernsehsender Paul Nipkow Unknown Berlin, Germany Reichsrundfunkgesellschaft 1935 (tests started in 1929) 1944 180/441 beginning in 1937 25 Electronic television

[edit] Television stations, as of 1941

[edit] United States of America
Television
Call-sign
(Original)		 Television
Call-sign
(Current)		 City or location Owner Television frequency Television channel (current) On air Off air Disk holes or lines Frames per second Original broadcast system Current broadcast system
W1XG Boston, Massachusetts General Television Channel 1 Unknown Channel Unknown
W2XVT (Becomes W2XWV) WNYW Passaic, New Jersey DuMont Channel 4 Channel 5 1938 Still On Air Mechanical television Now NTSC-M
W2XBS WNBC-TV New York, NY RCA, NBC Channel 1 Channel 4 1932 Still On Air Mechanical television Now NTSC-M
W2XAB WCBS-TV New York, NY CBS Channel 2 Channel 2 1931 Still On Air Mechanical television Now NTSC-M
W2XWV WNYW-TV New York, NY DuMont Channel 4 Channel 5 1938 Still On Air Mechanical Television Now NTSC-M
W2XB WRGB Schenectady, NY General Electric Channel 3 Channel 6 1939 Still On Air Mechanical Television Now NTSC-M
W3XWT WTTG Washington, DC DuMont Channel 1 Channel 5 1941 Still On Air Mechanical Television Now NTSC-M
W3XNB WRC-TV Washington, DC NBC Channel 2 Channel 4 1939 Still On Air Mechanical Television Now NTSC-M
W3XE KYW-TV Philadelphia, PA Philco Channel 3 Channel 3 1932 Still On Air Mechanical Television Now NTSC-M
W3XPF Philadelphia, PA Farnsworth Channel 3 Unknown 1937 Unknown Mechanical Television Unknown
W3XPP Cancelled Permit, Now WCAU Philadelphia, PA NBC Channel 7 Channel 10 1939 Unknown Mechanical Television Unknown
W6XAO KCBS Los Angeles, CA Don Lee Broadcasting Channel 1 Channel 2 1936 Still On Air 441, changed to 525 in late 1941 30 Mechanical Television Now NTSC-M
W6XYZ KTLA Los Angeles, CA Television Productions Channel 4 Channel 5 1942 Still On Air Mechanical Television Now NTSC-M
W6XDL None San Francisco, CA Don Lee Broadcasting Channel 1 None 1941 Off-Air Mechanical Television None
W8XCT WLWT-TV Cincinnati, OH Crosley Channel 1 Channel 5 1939 Still On Air Mechanical Television Now NTSC-M
W9XZV Became KS2XBS Chicago, IL Zenith Channel 1,
then CH 2		 1939-1941, 1951-1953 as KS2XBS Mechanical Television None
W9XBK WBBM-TV Chicago, IL Balaban and Katz Channel 2 Channel 2 1940 Still On Air Mechanical Television Now NTSC-M
W9XJM (Officially W9XD/W9XAZ?) WTMJ-TV Milwaukee, WI Milwaukee Journal Channel 3 Channel 4 1931-1933 (As W9XD, as W9XAZ 1934-1938) Still On Air Mechanical Television Now NTSC-M

[edit] Television stations, from Jan. 3, 1945 to 1955

[edit] United States of America
Television
Call-sign
(Original)		 Television
Call-sign
(Current)		 City or location Owner Television frequency Television channel (current) On air Off air Disk holes or lines Frames per second Original broadcast system Current broadcast system
W6XAO KTSL (Now KCBS-TV) Hollywood, California/Los Angeles, California Don Lee Channel 1 Channel 2 1931 Still On Air 525 30 Mechanical television Now NTSC-M
W6XHH Los Angeles, CA Hughes Tool Co. 2 Mechanical television
W6XZY KTLA-TV Los Angeles, CA Television Productions, Inc. 4 525 30 Mechanical television Now NTSC-M
KSEE Los Angeles, CA Earl Anthony, Inc. 6 Experimental
W6XHT San Francisco, CA Hughes Tool Co. 2 Experimental
W3XWT WTTG Washington, DC Dumont Labs, Inc. Channel 1 Channel 5 1941 Still On Air 525 30 Mechanical television Now NTSC-M
WNBW WRC-TV Washington, DC NBC 2 4 1941 Still On Air 525 30 Mechanical television Now NTSC-M
W9ZV WTZR Chicago, IL Zenith Radio Corp. Channel 1 Still On Air 525 30 Mechanical television Now NTSC-M
W9XBK Became W9XCB, then WBKB,
now WBBM-TV		 Chicago, IL Balaban and Katz Corp. Channel 2 Channel 2 Still On Air 525 30 Mechanical television Now NTSC-M
W9XCB WBBM-TV Chicago, IL CBS Channel 4 Still On Air 525 30 Mechanical television Now NTSC-M
W9XG West Lafayette, IN Purdue University 3 Experimental
W9XUI Iowa City, IA University of Iowa 1,12 Experimental
W1XG Boston, MA General Television Corp. 1 Experimental
W3XEP Camden, NJ RCA 5 Experimental
W2XVT Passaic, NJ DuMont Labs. Inc. 4 Experimental
W2XJT Jamaica, NY Jamaica Radio & TV Corp. 13 Experimental
WNBT WNBC New York, NY NBC 1 Commercial 525 30 Mechanical television Now NTSC-M
WCBW WCBS New York, NY CBS 2 Commercial 525 30 Mechanical television Now NTSC-M
WABD WNYW New York, NY DuMont Labs, Inc. 4 Commercial 525 30 Mechanical television Now NTSC-M
W2XXB New York, NY Bamberger Broadcasting Svc. 6 Experimental
W2XMT New York, NY Metropolitan Television Inc. 8 Experimental
WRGB Schenectady, NY General Electric 3 Commercial 525 30 Mechanical television Now NTSC-M
W8XCT Cincinnati, OH Crosley Corp. 1 Experimental
W3XE WPTZ Philadelphia, PA Philco Radio & TV 3 Commercial 525 30 Mechanical television Now NTSC-M
W3XAU Philadelphia, PA WCAU Broadcasting Co. 5 Experimental
W8XGZ Charleston, WV Gus Zaharis 1 Experimental
WMJT WTMJ-TV Milwaukee, WI The Journal Co. 3 Experimental 525 30 Mechanical television Now NTSC-M
KS2XBS
(First pay-TV service, "PhoneVision")		 Chicago, IL Zenith 2.1-2.2 mHz, later Channel 2 1951 1953? 525 30 Mechanical television Now NTSC-M
KC2XAK None Bridgeport, Connecticut RCA/NBC UHF 24 None December 29, 1949 August 23, 1952 525 30 Mechanical television Now NTSC-M
KPTV KPTV Portland, Oregon Unknown Channel 27 Channel 12 September 20, 1952 Still On Air 525 30 Mechanical television Now NTSC-M

[edit] Television stations

[edit] United States of America
Television
Call-sign
(Original)		 Television
Call-sign
(Current)		 Television frequency Television channel
(Current)		 City or location On air Off air Lines Frames Per Second Original broadcast system Current broadcast system
W2XB (also branded as WGY-TV from its sister radio station) WRGB 2150 kHz 6 Schenectady, New York/Albany, New York May 10, 1928 Still On air 24 (later 48) 21 Mechanical television Now NTSC-M
W1XAY (also branded as WLEX from its sister radio station) None 3500 kHz Lexington, Massachusetts June 14, 1928 March 1930 48 18 Mechanical television None
W3XK None 1605 kHz & 6420 kHz,
later 2.00-2.10 mHz		 Wheaton, Maryland/Washington, DC July 2, 1928 1932 (1934?) 48  ? Mechanical television None
W2XAL (also branded as WRNY from its sister radio station) None New York City August 13, 1928 1929 48  ? Mechanical television None
W1WX
(later became W1XAV)		 None 2120 kHz Boston, Massachusetts Spring 1929 1931 48 and 60 lines 15 Mechanical television None
W2XBS WNBC-TV 2.75-2.85 mHz Formerly Channel 1, now VHF Channel 4 New York City 1929-1932, 1936-present 1934-1936 60 20 Mechanical television Now NTSC-M
W9XAP Unknown Chicago, Illinois November, 1930?  ?  ?  ? Mechanical television None
W2XAB WCBS-TV 2.1-2.2 mHz Now VHF Channel 2 New York City July 31, 1931-February 1933,
1940-Present		 1933-1940 60 20 Mechanical television Now NTSC-M
W6XAO KCBS-TV Formerly on Channel 1, now VHF Channel 2 Los Angeles June 1931, May 6, 1933, 1948-Present 1933-1948 80 20 Mechanical television, film only Now NTSC-M
W3XE WPTZ (now KYW-TV) VHF Channel 3 Philadelphia 1932-Present  ?  ? Mechanical television Now NTSC-M
W2XJT None Channel 3, then Channel 13 Jamaica, New York 1940, moved to Ch. 13 in 1945 Unknown  ?  ? Mechanical television? None

[edit] Europe
Baird Television Ltd. via BBC transmitter 2LO Unknown London, England September 30, 1929 June 1932 30 25 Mechanical television
Unknown (Possibly 2LO, as above?) BBC One Unknown London, England August 22, 1932 September 11, 1935 30 25 Mechanical television Now PAL
Fernsehsender Paul Nipkow Unknown Berlin, Germany 1935 (tests started in 1929) 1944 180/441 as of 1937 25 Electronic television

[edit] See also

[edit] Individual television stations

[edit] Broadcast television systems

[edit] External links

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