Call sign (original) |
Call sign (current) |
Frequency* |
Channel (current) |
Location (city) |
On air |
Owner (original) |
Original broadcast system |
Current broadcast system |
Baird Television Development Company Ltd[1] via BBC transmitter 2LO[citation needed] |
|
361 meters 831 kHz [2] |
|
London, England, United Kingdom |
1926–1935 [citation needed] |
British Broadcasting Company |
Mechanical television 30 lines 25 frame/s |
[dubious – discuss] |
W2XB (also branded as WGY-TV from its sister radio station) |
WRGB |
2.15 MHz |
6 |
Schenectady New York, United States |
May 10, 1928 – present |
General Electric Co. |
Mechanical television 24 (later 48) lines/21 frame/s |
NTSC-M from 1942–2009; now ATSC digital. |
W1XAY (also branded as WLEX from its sister radio station) |
|
3.5 MHz |
|
Lexington, Massachusetts, United States |
June 14, 1928– March 1930 |
The Boston Post |
Mechanical television 48 lines/18 frame/s |
|
W3XK |
|
1.605 MHz & 6.42 MHz, later 2.00–2.10 MHz |
|
Wheaton Washington, D.C., United States |
July 2, 1928– 1932 |
Charles Jenkins Laboratories |
Mechanical television 48 lines |
|
W2XAL (also branded as WRNY from its sister radio station) |
|
|
|
New York City, New York, United States |
August 13, 1928– 1929 |
Experimenter Publishing
Curtiss Aeroplane and Motor Company |
Mechanical television 48 lines |
|
W1WX (later became W1XAV) |
|
2.12 MHz |
|
Boston, Massachusetts, United States |
Spring 1929–1931 |
Shortwave and Television Laboratory |
Mechanical television 48 & 60 lines/15 frame/s |
|
W2XBS |
WNBC |
2.75–2.85 MHz |
Formerly Channel 1; moved to VHF Channel 4 from 1946–2009 (remains PSIP virtual channel); allocated to digital channel 28 from 1999–2018; moved to channel share with WNJU on channel 36 from 2018–present |
New York City, New York, United States |
1929–1932, 1936–present |
National Broadcasting Company |
Mechanical television 60 lines/20 frame/s |
1941–2009, NTSC-M; now ATSC digital |
3UZ. Experiments carried out on the radio station after it had officially closed down for the night.[3] |
|
930 kHz |
|
Melbourne, Victoria, Australia |
1929 |
Oliver John Nilsen |
Mechanical television |
|
3DB. Experiments carried out on the radio station after it had officially closed down for the night.[3] |
|
1180 kHz |
|
Melbourne, Victoria, Australia |
1929 |
The Herald and Weekly Times |
Mechanical television |
|
W9XAP |
WNBQ-TV (1948–1964)[4]
now WMAQ-TV |
|
VHF Channel 5 |
Chicago, Illinois, United States |
August 27, 1930– August 1933. 1948-present. [5][6][7][8][9] |
National Broadcasting Company |
Mechanical television |
1948–2009 NTSC-M; now ATSC digital |
VE9EC |
|
|
41 MHz |
Montreal, Quebec, Canada |
1931–1935 |
La Presse and CKAC radio |
Mechanical television 60–150 lines |
|
W6XAO |
KCBS-TV |
|
Formerly on Channel 1, now VHF Channel 2 |
Los Angeles, California, United States |
June 1931– 1933, 1937–1948 as experimental Don Lee station; May 6, 1948– present |
Don Lee |
Mechanical television, film only, 80 lines/20 frame/s |
1948–2009, NTSC-M; now ATSC digital |
Amateur radio station 4CM[10] |
|
136 metres |
|
Brisbane, Queensland, Australia |
1934 |
Dr Val McDowall |
Early experiments with electronic television |
|
W6XYZ |
KTLA-TV |
|
Formerly on Channel 4, now VHF Channel 5 |
Los Angeles, California, United States |
June 1942– 1946 experimental, Jan. 22, 1947– present |
Paramount |
|
1947–2009, NTSC-M, now ATSC digital |
W2XAB |
WCBS-TV |
2.1–2.2 MHz |
Now VHF Channel 2 |
New York City, New York, United States |
July 31, 1931– February 1933, 1939–present |
Columbia Broadcasting System |
Mechanical television 60 lines/20 frame/s |
1941–2009, NTSC-M, now ATSC digital |
W2XWV |
WNYW |
|
Channel 4 (1938–1944), Channel 5 (1944 – present) |
New York City, New York, United States |
1938– present |
Allen B. DuMont |
Unknown |
1944–2009 NTSC-M, now ATSC digital |
W3XE |
WPTZ (now KYW-TV) |
– |
VHF Channel 3 |
Philadelphia, Pennsylvania, United States |
1932–present |
Philco Corporation |
Mechanical television |
1941–2009, NTSC-M, now ATSC digital |
W9XBK |
WBKB (now WBBM-TV) |
|
Formerly on Channel 4, then on VHF Channel 2, Now on VHF Channel 12 |
Chicago, Illinois, United States |
1940–present |
Balaban & Katz |
|
1944–2009, NTSC-M, now ATSC digital |
W9XZV |
Later KS2XBS (Phonevision experimental on Channel 2) |
|
VHF Channel 1 |
Chicago, Illinois, United States |
1939–1953 |
|
|
|
2LO (BBC Television Service) |
BBC One |
361 meters 831 kHz [2] |
UHF (Channels 21–68, throughout UK) |
London, England, United Kingdom |
August 22, 1932– September 11, 1935 |
British Broadcasting Corporation |
Mechanical television 30 lines/12.5 frame/s |
Now DVB |
BBC Television Service (Alexandra Palace) |
BBC One |
45 MHz [11] |
UHF (Channels 21–68, throughout UK and on Astra 2D satellite) |
London, England, United Kingdom |
November 1936– September 3, 1939, June 7, 1946 – present |
British Broadcasting Corporation |
Mechanical television 240 lines (Baird system) and electronic television 405 line (Marconi-EMI system)/25 frame/s |
Now DVB |
EIAR – Stazione sperimentale radiovisione di Monte Mario |
RAI – Radiotelevisione Italiana |
40.54 MHz (audio), 44.12 MHz (video) |
VHF (channel 9) and UHF (channels 25, 26, 30 and 40) |
Rome, Italy |
July 22, 1939– May 10, 1940 |
|
Electronic television 441 lines / 21 to 42 frame/s. |
Now DVB |
EIAR – Stazione sperimentale radiovisione Torre Littoria (now Torre Branca) |
|
40.50 MHz (audio), 44.00 MHz (video) |
|
Milan, Italy |
April 12–28, 1940 |
|
Electronic television 441 lines / 21 to 42 frame/s. |
|
Radiovision PTT (1935) later Paris Television (1943) then RTF (1946) (Eiffel Tower) |
TF1 |
37 MHz (180 & 455 lines) later 42–46 MHz (441 lines) |
UHF Channels 21–69 (System L + DVB throughout France and FTA on AB3 satellite) |
Paris, France |
November 1935 – 1937 (60 lines, then 180 lines) later 1938–1939 (455 lines) then 1943–1956 (441 lines) |
Ministry of Information |
Mechanical television 60 then 180 line later electronic television 455 then 441 line/25 frame/s |
Now DVB |
Fernsehsender Paul Nipkow |
|
|
|
Berlin Potsdam, Germany |
1935–1944 (tests started in 1929) |
Deutscher Fernseh-Rundfunk |
Electronic television 180 lines/25 frame/s/50 fields/sec (started broadcasting in 441 lines in mid-1937) |
|
Moscow test broadcasting station МТЦ (from Shukhov tower) |
|
|
LW band |
Moscow, Soviet Union, now
Russia |
1931–1941 |
|
Mechanical television |
|
USSR TV (ТВ СССР) |
Первый канал |
49.75 MHz (video) 56.25 MHz (audio) |
TV channels:R1 (441 lines 25 fps) |
Moscow, USSR, now
Russia |
1938–1941, 1945-1949 |
Ministry of Culture |
Electronic television |
Now SECAM, PAL also DVB |
Doświadczalna Stacja Telewizyjna |
Telewizja Polska |
|
TVP channels: TVP1, TVP2, etc. |
Warsaw, Poland |
1935–1939 (test broadcasting: 1937–38) |
|
Mechanical television |
Now PAL and DVB |
Call sign (original) |
Call sign (current) |
Frequency* |
Channel (current) |
Location (city) |
On air |
Owner (original) |
Original broadcast system |
Current broadcast system |