Esta página es una lista de las estaciones de televisión experimentales anteriores a 1946. Después de 1945 (en los Estados Unidos ) las frecuencias de televisión se abrieron a la comercialización y comenzaron las transmisiones regulares. Las fechas de inicio de las transmisiones televisivas regulares varían ampliamente según el país; en muchas regiones, el despliegue inicial de transmisión de video se retrasó debido a la movilización para la Segunda Guerra Mundial .
(Nota: La lista de canales de transmisión actuales para estas estaciones no está actualizada, ya que muchas estaciones de baja frecuencia VHF se han trasladado a frecuencias UHF como resultado de la transición a la televisión digital . Esto es un problema menor en el Reino Unido debido a su sistema todo-UHF, pero la mayoría de las primeras emisoras estadounidenses estaban en los canales afectados antes del cierre analógico. Muy pocas emisoras norteamericanas de servicio completo permanecen en los canales físicos VHF 2-6 digitalmente debido a problemas de ruido impulsivo y límites estrictos en la potencia máxima transmitida en estos frecuencias.)
Estaciones de televisión, a partir de 1928
Estaciones de televisión, a partir de 1928 Estados Unidos de América | |||||||||||||
Señal de llamada de televisión (original) | Señal de llamada de televisión (actual) | Ciudad o ubicación | Dueño | Altura de la antena del transmisor | Frecuencia de televisión | Canal de televisión (actual) | Al aire | Fuera del aire | Agujeros o líneas de disco | Velocidad de fotogramas (fotogramas / s) | Sistema de transmisión original | Sistema de transmisión actual | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WGY | WRGB-TV | Schenectady, Nueva York | Energia General | 380 metros | 790 kHz | Canal 6 (VHF) | 10 de mayo de 1928 | Regalo | 48 | Desconocido | Televisión mecánica | ATSC | |
WRNY | Ninguno | Nueva York | Publicación de experimentadores | 326 metros | 920 kHz | Ninguno | 13 de agosto de 1928 | 1929 | 48 | 7.5 | Televisión mecánica | Ninguno | |
2XAL | Ninguno | Nueva York | Publicación de experimentadores | (con WRNY ), 30,91 | 9,7 MHz | Ninguno | 13 de agosto de 1928 | 1929 | 48 | 7.5 | Televisión mecánica | Ninguno | |
3XK | Ninguno | Washington DC | Laboratorios Charles Jenkins | 46,7 metros | 1,605 MHz | Ninguno | 2 de julio de 1928 | 1932 (¿1934?) | 48 | Desconocido | Televisión mecánica | Ninguno | |
WOR | WWOR-TV | Secaucus, Nueva Jersey anteriormente Nueva York | Radiodifusión de Bamberger (de WOR ) | 405 metros | 740 kHz | Canal 9 (VHF) | Desconocido | Desconocido | Desconocido | Desconocido | Televisión mecánica | ATSC | |
KDKA | KDKA-TV | Pittsburgh | Westinghouse Electric Company | 62,5 metros | 4,798 MHz | Canal 2 VHF | Desconocido | Desconocido | Desconocido | Desconocido | Televisión mecánica | ATSC | |
1XAY | Ninguno | Lexington, Massachusetts | WLEX | 51–62 m | 1,9 a 4,7 MHz | Desconocido | Desconocido | Desconocido | Desconocido | Desconocido | Televisión mecánica | Ninguno | |
4XA | Ninguno | Memphis, Tennessee | WSM | 120-125 m | 2,1–2,5 MHz | Desconocido | Desconocido | Desconocido | Desconocido | Desconocido | Televisión mecánica | Ninguno | |
9XAA (estación de onda corta de WCFL , oficialmente W9XAA) | Ninguno | Chicago | WCFL / Federación Laboral de Chicago | 61,25 m [1] | 4,8 MHz | Desconocido | 19 de junio de 1928 | 1937 [2] | 48 [1] | 15 [1] | Televisión mecánica | Ninguno | |
Estaciones de televisión, a diciembre de 1928 Estados Unidos de América | |||||||||||||
Señal de llamada de televisión (original) | Señal de llamada de televisión (actual) | Ciudad o ubicación | Dueño | Altura de la antena del transmisor (m) | Frecuencia de televisión | Canal de televisión (actual) | Al aire | Fuera del aire | Agujeros o líneas de disco | velocidad de fotogramas (fotogramas / s) | Sistema de transmisión original | Sistema de transmisión actual | |
WGY | WRGB-TV | Schenectady, Nueva York | Energia General | 380 metros | 379,5 MHz | Canal 6 (VHF) | 1928 | Todavía en el aire | 24 | 21 | Televisión Mecánica | ATSC | |
2XAF (actualización de WGY) | WRGB-TV | Schenectady, Nueva York | Energia General | 380 metros | 31,4 MHz | Canal 6 (VHF) | 1928 | Todavía en el aire | 24 | 21 | Televisión Mecánica | ATSC | |
2XAD (actualización de W2XAF anterior) | WRGB-TV | Schenectady, Nueva York | Energia General | Canal 6 (VHF) | 21,96 MHz | Canal 6 (VHF) | 1928 | Todavía en el aire | 24 | 21 | Televisión Mecánica | ATSC | |
WRNY | Ninguno | Nueva York | Publicación de experimentadores | 326 metros | 920 kHz | Ninguno | 13 de agosto de 1928 | 1929 | 48 | 7.5 | Televisión mecánica | Ninguno | |
2XAL | Ninguno | Nueva York | Publicación de experimentadores | (con WRNY ), 30,91 | 9,7 MHz | Ninguno | 13 de agosto de 1928 | 1929 | 48 | 7.5 | Televisión mecánica | Ninguno | |
3XK | Ninguno | Washington DC | Laboratorios Charles Jenkins | Desconocido | 46,72 MHz | Ninguno | 2 de julio de 1928 | 1932 (¿1934?) | 48 | 15 | Televisión mecánica | Ninguno | |
W9XAA WCFL | Ninguno | Chicago | Federación de Trabajo de Chicago | 61,25 m [1] | 61,5 MHz | Desconocido | 19 de junio de 1928 | 1937 [2] | 45 [1] | 15 [1] | Televisión mecánica | Ninguno | |
WKBI-TV | Ninguno | Chicago | Desconocido | ? | 215,7 MHz | ? | ? | ? | 48 | 15 | Televisión mecánica | Ninguno | |
Licencia perdida por WIBO 15 de mayo de 1933 AKA W9XAO [3] | Ninguno | Chicago | Televisión Occidental ( Sanabria ) [3] | ? | 305,9 MHz | ? | Verano de 1929 [4] | 1933 | 45 [4] | 15 [4] | Televisión mecánica | Ninguno | |
KGFJ | Ninguno | los Angeles | ? | ? | 212,6 MHz | ? | ? | ? | 48 | - | Televisión mecánica | Ninguno | |
WLBX | Ninguno | Lexington, Massachusetts | ? | ? | 62,5 MHz | ? | ? | ? | 48 | - | Televisión mecánica | Ninguno |
Estaciones de televisión, de 1928 a 1939
Estaciones de televisión, de 1928 a 1939 Estados Unidos de América | |||||||||||
Señal de llamada de televisión (original) | Señal de llamada de televisión (actual) | Ciudad o ubicación | Dueño | Frecuencia de televisión | Canal de televisión (actual) | Al aire | Fuera del aire | Agujeros o líneas de disco | velocidad de fotogramas (fotogramas / s) | Sistema de transmisión original | Sistema de transmisión actual |
---|---|---|---|---|---|---|---|---|---|---|---|
W9XZV | Ninguno | Chicago, IL | Cenit | 2,1-2,2 MHz, canal 2 posterior | Ninguno | 1939, con una estación experimental Zenith posterior en 1951 | 1953? | ? | ? | Televisión electrónica | Ninguno |
W1WX (más tarde se convirtió en W1XAV) | Ninguno | Boston, Massachusetts | SW y Televisión (Hollis Baird) | 2120 kHz | Ninguno | Abril de 1929 (se convirtió en W1XAV en diciembre de 1929) | 1931 | 48 (y posteriores, 60 líneas) | 15 | Televisión Mecánica | Ninguno |
W1XAV | Ninguno | Boston, MA | SW y Televisión (Hollis Baird) | 2,1-2,2 MHz | Ninguno | 1930 | 1931 | 48 | 15 | Televisión mecánica | Ninguno |
W1XAV | Ninguno | Boston, MA | Desconocido | 2,1-2,2 MHz | SW y Televisión (Hollis Baird) | 1931 | 1934 | 60 | 20 | Televisión mecánica | Ninguno |
W1XAY | Ninguno | Lexington, MA | Boston Post , WLEX | 2,0-2,1 MHz | Ninguno | 1928 | 1930 | 48 | 18 | Televisión Mecánica | Ninguno |
W2XB / WGY / W2XAF / W2XAD | WRGB | Schenectady, Nueva York | Energia General | 2,1-2,2 MHz | VHF 6 | 1928 | ? | 48 | 20 | Televisión mecánica | ATSC |
W2XCR | Ninguno | Nueva York, NY | Laboratorios Charles Jenkins | 2,75-2,85 MHz | Ninguno | 1929 | 1931 | 48 | 15 | Televisión Mecánica | Ninguno |
W2XCR | Ninguno | Nueva York, NY | Laboratorios Charles Jenkins | 2,75-2,85 MHz | Ninguno | 1931 | 1933 | 60 | 20 | Televisión Mecánica | Ninguno |
W2XBS | WNBC-TV | Nueva York, NY | RCA | 2,0-2,1 MHz | Canal 4 (VHF) | 1928 | 1929 | 60? | 20? | Televisión mecánica | ATSC |
W2XBS | WNBC-TV | Nueva York, NY | RCA | 2,75-2,85 MHz | Canal 4 (VHF) | 1928 | 1929 | 60 | 20 | Televisión mecánica | ATSC |
W2XAB | WCBS-TV | Nueva York, NY | CBS | 2,1-2,2 MHz | Canal 2 | 1931 | 1933 | 60 | 20 | Televisión mecánica | ATSC |
WRNY | Ninguno | Nueva York, NY | Desconocido | 1010 kHz | Ninguno | 1928 | 1929 | 36 | ? | Televisión Mecánica | Ninguno |
WRNY | Ninguno | Nueva York, NY | Desconocido | 1010 kHz | Ninguno | 1928 | ? | 48 | 10 | Televisión mecánica | Ninguno |
W2XR | Ninguno | Ciudad de Long Island, Nueva York | Fotos de Hogan's Radio | 2,85-2,95 MHz | Ninguno | 26 de marzo de 1929 | 1934 | 60 | 20 | Televisión mecánica | Ninguno |
W3XK | Ninguno | Wheaton, MD (¿Se mudó a Silver Spring, MD ?) | Laboratorios Charles Jenkins | 6420 kHz (6,42 MHz) | Ninguno | 1928 | 1931 | 48 | 15 | Televisión mecánica | Ninguno |
W3XK | Ninguno | Washington DC | Laboratorios Charles Jenkins | 2,0-2,1 MHz | Ninguno | 1931 | 1934 | 60 | 20 | Televisión Mecánica | Ninguno |
W9XX , luego se convirtió en W5XA | Ninguno | Shreveport, LA | Rev. Lannie W. Stewart | 1604 kHz | Ninguno | 1929 | 1934 | 45 | 15 | Televisión Mecánica | Ninguno |
W5XA | Ninguno | Shreveport, LA | Paul L. Carriger | 1594 kHz (video en la banda de aficionados de 160 metros) | Ninguno | 1932 | 1934 | 45 | 15 | Televisión mecánica | Ninguno |
W6XAH | Ninguno | Bakersfield, California | Empresa mercantil pionera | 2000-2100 kHz, también transmisión simultánea en 1550 kHz en 1932 | Ninguno | 6 de enero de 1932 | 1935 | 96 | 20 | Televisión mecánica | Ninguno |
W9XR [5] | Ninguno [6] | Downers Grove, Illinois (Chicago) [5] | Great Lakes Broadcasting / National Broadcasting Company después de 1931. [5] [6] | 2,85-2,95 mHz [5] | Ninguno | 1929 [5] | 1933 [6] | 24 [5] | 15 [5] | Televisión mecánica [5] | Ninguno [5] |
Estaciones de televisión, de 1928 a 1939 Estados Unidos de América y Canadá | |||||||||||
Señal de llamada de televisión (original) | Señal de llamada de televisión (actual) | Ciudad o ubicación | Dueño | Frecuencia de televisión | Canal de televisión (actual) | Al aire | Fuera del aire | Agujeros o líneas de disco | velocidad de fotogramas (fotogramas / s) | Sistema de transmisión original | Sistema de transmisión actual |
KGFJ | Ninguno | los Angeles | Desconocido | ? | ? | 1928 | ? | 48 | ? | Televisión mecánica | Ninguno |
W3XAD | Ninguno | Camden, Nueva Jersey | RCA | 124 MHz a 130 MHz | Canal 5 | Julio de 1930 | Se convirtió en W3XEP | 525 | 30 | Desconocido | Ninguno |
W6XS | Ninguno | los Angeles | Don Lee Broadcasting | 2,1-2,2 MHz | ? | 1931 | 1935 | 80 | 20 | Televisión Mecánica | Ninguno |
W6XAO | KCBS-TV | los Angeles | Don Lee Broadcasting | 44,5 MHz (44-50 MHz, canal 1) | Canal 2 | 23 de diciembre de 1931 | 1936 | 80 | 20 | Televisión Mecánica | ATSC |
W7XAO | Ninguno | Portland, OR | Wilbur Jerman | 2,75-2,85 MHz | ? | 1929 | ? | Desconocido | Desconocido | Televisión Mecánica | Ninguno |
W9XAA, WCFL | Ninguno | Chicago, IL | Federación de Trabajo de Chicago | 2,0-2,1 MHz | Ninguno | 19 de junio de 1928 | 1937 [2] | 45 [1] | 15 [1] | Televisión Mecánica | Ninguno |
Licencia perdida por WIBO 15 de mayo de 1933 AKA W9XAO [3] | Ninguno | Chicago, IL | Televisión Occidental ( Sanabria ) [3] | ? | ? | Verano de 1929 [4] | 1933 | 45 [4] | 15 [4] | Televisión Mecánica | Ninguno |
W9XAK | ? | Manhattan, KS | Universidad Estatal de Kansas | 2,1-2,2 MHz | ? | 1932 | 1939 | 60 | 20 | Televisión Mecánica | ¿Ninguno? |
W9XAL | Desconocido | Kansas City, MO | Primera Televisión Nacional | 2,1-2,2 MHz | ? | 1933 | 1935 | 45 | 15 | Televisión Mecánica | ¿Ninguno? |
W9XAO [3] | Ninguno | Chicago, IL | Televisión Occidental ( Sanabria ) [3] | 2.0-2.1 MHz | ? | Summer 1929[4] | 1933 | 45[4] | 15[4] | Mechanical Television | None? |
W9XAP | WMAQ-TV[3] | Chicago, IL | Chicago Daily News/National Broadcasting Company(after 1 November 1931[7]) | 2.1-2.2 MHz | Channel 5 | August 27, 1930[3] | August 1933[3] | 45 | 15 | Mechanical Television | ATSC |
W9XAT | Unknown | Minneapolis, MN | George Young, radio station WDGY | 42-50 MHz, 60-86 MHz (Channel 1) | ? | 1933 | 1938 | 125 | ? | Mechanical Television | None? |
W9XD | WTMJ-TV | Milwaukee, WI | Milwaukee Journal | ? | ? | 1931 (Transmitter used for Apex radio station W9XAZ in 1934) | Experiments ended 1933; License deleted in 1938 | 45 | 15 | Mechanical Television- Western | |
W9XG | ? | Lafayette, IN | Purdue University | 2.75-2.85 MHz | ? | 1931 | 1939 | 60 | 24 | Mechanical Television | ? |
W9XK/W9SUI "WSUI", W9XAZ | ? | Iowa City, IA | State University of Iowa | 2.0-2.1 MHz | ? | 1933 | 1939 | 45 | 15 | Mechanical Television | ? |
W9XUI | ? | Iowa City, IA | State University of Iowa | 2.0-2.1 MHz, later Channel 1, then Channel 2 | ? | 1933 | 1941 | 441 | 30 | Mechanical Television | ? |
W2XJT | None | 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[8]) | None; TV returned in 1952 with CBFT | Montreal, Quebec | Peck Television Corp. (Canadian Television Ltd.) | 41 MHz | None | 1931 | 1935 | 60-150 | Unknown | Mechanical television | VE9AK's calls were reassigned to CFRB-FM in 1938[9] |
Television stations, from 1928 to 1939 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 | frame rate (frame/s) | 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 | PAL/DVB-T? |
Unknown (Possibly 2LO, as above?) | BBC One | London, England | Baird Television Ltd. | ? | ? | August 22, 1932 | September 11, 1935 | 30 | 25 | Mechanical television | PAL |
Fernsehsender Paul Nipkow | Unknown | Berlin, Germany | Reichs-Rundfunk-Gesellschaft | ? | ? | 1935 (tests started in 1929) | 1944 | 180/441 beginning in 1937 | 25 | Electronic television | PAL? |
Doświadczalna Stacja Telewizyjna | TVP 1 | Warsaw, Poland | Polskie Radio Sp. Akc. | ? | September 1937 (according to other sources regular broadcasts started in 1938) | last week of August 1939 | 120 | 25 | Mechanical television |
Television stations, as of 1941
Television stations, as of 1941 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 | frame rate (frame/s) | Original broadcast system | Current broadcast system | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
W1XG | None | Boston, Massachusetts | General Television | ? | Channel 1 | Unknown Channel | ? | ? | Unknown | Mechanical television | None | ||
W2XVT (Becomes W2XWV in 1944) | WNYW | Passaic, New Jersey | DuMont | Channel 4 | Channel 5 | 1938 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W2XBS | WNBC-TV | New York, NY | RCA, NBC | Channel 1 | Channel 4 | 1932 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W2XAB | WCBS-TV | New York, NY | CBS | Channel 2 | Channel 2 | 1931 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W2XWV | WNYW-TV | New York, NY | DuMont | Channel 4 | Channel 5 | 1938 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W2XB | WRGB | Schenectady, NY | General Electric | Channel 3 | Channel 6 | 1939 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W3XWT | WTTG | Washington, DC | DuMont | Channel 1 | Channel 5 | 1941 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W3XNB | WRC-TV | Washington, DC | NBC | Channel 2 | Channel 4 | 1939 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W3XE | KYW-TV | Philadelphia, PA | Philco | Channel 3 | Channel 3 | 1932 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W3XEP | None | Camden, NJ | RCA | 42 MHz-56 MHz and 50-86 MHz | None | 1931 | 1941? | 525 | 30 | Mechanical television | None | ||
W3XPF (Portable unit: W10XX) | None? | Philadelphia, PA | Farnsworth | Channel 3 | Unknown | 1937 | Unknown | 525 | 30 | Mechanical Television | Unknown | ||
W3XPP | Cancelled Permit, Now WCAU | Philadelphia, PA | NBC | Channel 7 | Channel 10 | 1939 | Unknown | None | None | Mechanical Television | ATSC | ||
W6XAO | KCBS-TV | Los Angeles | Don Lee Broadcasting | Channel 1 | Channel 2 | 1936 | Still On Air | 441, changed to 525 in late 1941 | 30 | Mechanical Television | ATSC | ||
W6XYZ | KTLA | Los Angeles | Television Productions | Channel 4 | Channel 5 | 1942 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W6XDL | None | San Francisco, CA | Don Lee Broadcasting | Channel 1 | None | 1941 | Off-Air | 525 | 30 | Mechanical Television | None | ||
W8XCT | WLWT-TV | Cincinnati, OH | Crosley Broadcasting | Channel 1 | Channel 5 | 1939 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W9XV/W9XZV | Became KS2XBS | Chicago, IL | Zenith | Channel 1, then CH 2 | None | 1939–1941, 1951-1953 as KS2XBS | Off-Air | 441, later 525 | 30 | Electronic television | None | ||
W9XBK | WBBM-TV | Chicago, IL | Balaban and Katz | Channel 2 | Channel 2 | 1940 | Still On Air | 525 | 30 | Mechanical Television | ATSC | ||
W9XMJ | Milwaukee, WI | The Journal Co. | Channel 3 | 1940 | 525 | 30 | |||||||
WMJT | Milwaukee, WI | The Journal Co. | Channel 3 | 1941 | CP returned in 1946 | 525 | 30 |
Television stations, from Jan. 3, 1945 to 1955
Television stations, from Jan. 3, 1945 to 1955 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 | frame rate (frame/s) | Original broadcast system | Current broadcast system | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
W6XAO | KTSL (Now KCBS-TV) | Hollywood, California/Los Angeles, California | Don Lee Broadcasting | Channel 1 | 2.1 (UHF 43) | 1931 | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
W6XHH | None | Los Angeles | Hughes Tool Company | 2 | None | None | None | 525 | 30 | Mechanical television | None | ||
W6XZY | KTLA-TV | Los Angeles | Television Productions, Inc. | 4 | 5.1 (UHF 31) | 1942 | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
KSEE | None | Los Angeles | Earl Anthony, Inc. | 6 | None | Unknown | off-air | 525 | 30 | Mechanical television | None | ||
W6XHT | None | San Francisco, CA | Hughes Tool Company | 2 | None | Unknown | off-air | 525 | 30 | Mechanical television | None | ||
W3XWT | WTTG | Washington, DC | DuMont Labs, Inc. | Channel 1 | 5.1 (UHF 36) | 1941 | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
WNBW | WRC-TV | Washington, DC | NBC | 2 | 4.1 (UHF 48) | 1941 | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
W9ZV/W9XZV | None | Chicago, IL | Zenith Radio Corp. | Channel 1, then Channel 2 | None | 1939–1941, 1951-1953 as KS2XBS | Off-Air | 525 | 30 | Mechanical Television | None | ||
W9XAP | WNBQ-TV 1948-1964[10]
| Chicago, IL | National Broadcasting Company[7] | Channel 5 | 5.1 (UHF 29) | August 27, 1930[3] | On-Air | 525 | 30 | Mechanical Television | Now ATSC | ||
W9XBK | Became W9XCB, then WBKB, now WBBM-TV | Chicago, IL | Balaban and Katz Corp. | Channel 2 | 2.1 (VHF 12) | 1940 | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
W9XCB | WBBM-TV | Chicago, IL | CBS | Channel 4 | 2.1 (VHF 12) | 1940 | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
W9XG | West Lafayette, IN | Purdue University | 3 | None | 1930 | 1946? | 525 | 30 | Mechanical television | None | |||
W9SUI | Iowa City, IA | University of Iowa | Channel 1, later Channel 12[11] | None | 1931 | 1941? | 525 | 30 | Mechanical television | None | |||
W1XG | Boston, MA | General Television Corp. | Channel 1 | None | 1931 | 1941? | 525 | 30 | Mechanical television | None | |||
W3XEP | None | Camden, New Jersey | RCA | 5, 10, 12 | None | July, 1931 (as portable W3XAD) | 1941? | 525 | 30 | Mechanical television | None | ||
W2XVT | WNYW | Passaic, New Jersey | DuMont Laboratories | Channel 4 | 5.1 (UHF 44) | 1938 | Became W2XWV in 1944 | 525 | 30 | Mechanical television | Now ATSC | ||
W2XWV | WNYW | Passaic, New Jersey | DuMont Laboratories | Channel 4 | 5.1 (UHF 44) | 1944 | Became WABD-TV in 1944 | 525 | 30 | Mechanical television | Now ATSC | ||
W2XJT | None | Jamaica, New York | Jamaica Radio & TV Corp. | Channel 3, then Channel 13 | None | 1940, moved to Ch. 13 in 1945 | 1947? | Unknown | Unknown | Mechanical television | None | ||
WNBT | WNBC-TV | New York City, New York | NBC | Channel 1 | 4.1 (UHF 28) | 1928 (as W2XBS) | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
WCBW | WCBS | New York City, NY | CBS | Channel 2 | 2.1 (UHF 33) | 1938 (as W2XAB) | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
WABD | WNYW-TV | New York City, NY | DuMont Labs, Inc. | Channel 4 | 5.1 (UHF 44) | 1938 (as W2XVT, then W2XWV) | Still On Air | 525 | 30 | Mechanical television | Now ATSC | ||
W2XXB | New York, NY | Bamberger Broadcasting Svc. | 6 | Experimental | |||||||||
W2XMT | New York, NY | Metropolitan Television Inc. | 8 | Experimental | |||||||||
WRGB | WRGB-TV | Schenectady, NY | General Electric | 3 | 6.1 (VHF 6) | Still on-air | 525 | 30 | Mechanical television | Now ATSC | |||
W8XCT | Cincinnati, OH | Crosley Corporation | 1 | Experimental | |||||||||
W3XE (later WPTZ) | KYW-TV | Philadelphia, PA | Philco Radio & TV | 3 | 3.1 (UHF 26) | Sept 1, 1941 | On-air | 525 | 30 | Mechanical television | Now ATSC, Westinghouse CBS O&O | ||
W3XAU | Philadelphia, PA | WCAU Broadcasting Co. | 5 | Experimental | WCAU now operates an ATSC commercial station | ||||||||
W8XGZ | Charleston, WV | Gus Zaharis | 1 | Experimental | |||||||||
KS2XBS (First pay-TV service, "PhoneVision") | None | Chicago, IL | Zenith | 2.1-2.2 MHz, later Channel 2 | None | 1951 | 1953? | 525 | 30 | Electronic television | None | ||
KC2XAK | None, now part of WNBC-TV | Bridgeport, Connecticut | RCA/NBC | UHF 24 | None | December 29, 1949 | August 23, 1952 | 525 | 30 | NTSC-M | None. Parent station is now ATSC | ||
KPTV | KPTV | Portland, Oregon | Empire Coil Company | Channel 27 | 12.1 (VHF 12) | September 20, 1952 | Still On Air | 525 | 30 | Used KC2XAK's NTSC-M UHF transmitter, otherwise not experimental. | Now ATSC VHF |
NOTE: KPHO-TV, channel 5 in Phoenix signed on in 1949.
See also
- Timeline of the BBC
- History of television
- Timeline of the introduction of television in countries
- Timeline of the introduction of color television in countries
- Geographical usage of television
- Moving image formats
- Oldest radio station
- Narrow-bandwidth television
- Prewar television stations
- Television systems before 1940
Individual television stations
- WRGB
- WNBC-TV
- WCBS-TV
- KCBS-TV
- BBC / BBC Television
Broadcast television systems
- Television systems before 1940
- NTSC
- PAL
- SECAM
- ATSC and DVB-T
References
- ^ a b c d e f g h "WCFL Radio Magazine-Fall, 1928-WCFL Is on the air with Television Programs". WCFL/Chicago Fededration of Labor. Retrieved 28 April 2010.
- ^ a b c Godfried, Nathan, ed. (1997), WCFL, Chicago's Voice of Labor, 1926-78, University of Illinois Press, pp. 281–290, ISBN 0-252-06592-1, retrieved 2010-04-06
- ^ a b c d e f g h i j k Samuels. "W9XAP-WMAQ'S Experimental Television Station". Samuels. Retrieved 22 May 2010.
- ^ a b c d e f g h i "U. A. Sanabria/transcript of letter from Bill Parker, who was assigned the construction of the television studio at the Daily News building in 1929". Television Experimenters. 28 October 1984. Retrieved 11 May 2010.
- ^ a b c d e f g h i "Early Mechanical Television Stations". Early Television Museum. Retrieved 23 January 2011.
- ^ a b c "Early Chicago Television-Mechanical TV". Hawes TV. Retrieved 23 January 2011.
- ^ a b "Early WMAQ-transcript of article in September 1931 "RCA News"". Radio Corporation of America. Retrieved April 25, 2010.
- ^ http://www.earlytelevision.org/peck.html
- ^ "Archived copy". Archived from the original on 2012-05-10. Retrieved 2013-05-11.CS1 maint: archived copy as title (link)
- ^ Samuels. "Roll Opening Credits". Samuels. Retrieved 22 May 2010.
- ^ "Television stations authorized by the FCC, January 1, 1941". RCA Radio Travel-Log. 1941. Archived from the original on August 18, 2012. Retrieved August 12, 2012.
External links
- 1936 German Olympics
- W1XAY at TVHistory.tv
- European Television Stations in 1932
- Post-war Stations
- W2XJT at EarlyTelevision.org
- Chicago TV
- www.terramedia.co.uk
- www.broadcastpioneers.com
- www.broadcastpioneers.com
- www.chicagotelevision.com
- Milwaukee TV Horror Hosts
- KC2XAK on gginfo.com
- Charles Francis Jenkins at TVHistory.tv
- W3XK in Columbus, OH
- W3XK
- W9XK Experimental Television at the University of Iowa
- List of Mechanical Television Stations at EarlyTelevision.org