List of experimental television stations

Short description: none

This page is a list of the experimental television stations before 1946. After 1945 (in the United States ) the television frequencies were opened up to commercialization and regular broadcasts began. Regular broadcast television start dates vary widely by country; in many regions, initial broadcast video deployment was delayed due to mobilisation for World War II.

(Note: The listing of current broadcast channels for these stations is not up-to-date as many low-VHF stations have moved to UHF frequencies as a result of digital television transition. This is less of an issue in the United Kingdom because of its all-UHF system, but most early US broadcasters were on affected channels before analogue shutdown. Very few full-service North American broadcasters remain on physical channels VHF 2-6 digitally due to impulse noise problems and strict limits on maximum transmitted power at these frequencies.)

## Contents

* 1 Television stations, as of 1928
* 2 Television stations, from 1928 to 1939
* 3 Television stations, as of 1941
* 4 Television stations, from Jan. 3, 1945 to 1955
* 5 See also
* 5.1 Individual television stations
* 5.2 Broadcast television systems
* 6 References
* 7 External links

## Television stations, as of 1928

Television stations, as of 1928

* * *

United States

Television
call-sign
(original)  | Television
call-sign
(current)  | City or location  | Owner  | Transmitter antenna height  | Television frequency  | Television channel (current)  | On air  | Off air  | Disk holes or lines  | Frame rate (frame/s)  | Original broadcast system  | Current broadcast system
WGY | WRGB-TV  | Schenectady, New York  | General Electric | 380 m  | 790 kHz  | Channel 6 (VHF)  | May 10, 1928  | Present  | 48  | Unknown  | Mechanical television  | ATSC
WRNY | None  | New York City | Experimenter Publishing  | 326 m  | 920 kHz  | None  | August 13, 1928  | 1929  | 48  | 7.5  | Mechanical television | None
2XAL  | None  | New York City | Experimenter Publishing  | (with WRNY), 30.91  | 9.7 MHz  | None  | August 13, 1928  | 1929  | 48  | 7.5  | Mechanical television  | None
3XK | None  | Washington, D.C. | Charles Jenkins Laboratories  | 46.7 m  | 1.605 MHz  | None  | July 2, 1928  | 1932 (1934?)  | 48  | Unknown  | Mechanical television  | None
WOR  | WWOR-TV  | Secaucus, New Jersey formerly New York City | Bamberger Broadcasting (from WOR)  | 405 m  | 740 kHz  | Channel 9 (VHF)  | Unknown  | Unknown  | Unknown  | Unknown  | Mechanical television  | ATSC
KDKA  | KDKA-TV  | Pittsburgh  | Westinghouse Electric Company  | 62.5 m  | 4.798 MHz  | Channel 2 VHF  | Unknown  | Unknown  | Unknown  | Unknown  | Mechanical television  | ATSC
1XAY | None  | Lexington, Massachusetts  | WLEX  | 51–62 m  | 1.9 to 4.7 MHz  | Unknown  | Unknown  | Unknown  | Unknown  | Unknown  | Mechanical television  | None
4XA  | None  | Memphis, Tennessee  | WSM  | 120–125 m  | 2.1–2.5 MHz  | Unknown  | Unknown  | Unknown  | Unknown  | Unknown  | Mechanical television  | None
9XAA
(short-wave station of
WCFL, officially W9XAA)  | None  | Chicago | WCFL/Chicago Federation of Labor  | 61.25 m[1] | 4.8 MHz  | Unknown  | June 19, 1928  | 1937[2] | 48[1] | 15[1] | Mechanical television  | None

Television stations, as of December 1928

* * *

United States

Television
call-sign
(original)  | Television
call-sign
(current)  | City or location  | Owner  | Transmitter antenna height (m)  | Television frequency  | Television channel (current)  | On air  | Off air  | Disk holes or lines  | frame rate (frame/s)  | Original broadcast system  | Current broadcast system
WGY | WRGB-TV  | Schenectady, New York  | General Electric | 380 m  | 379.5 MHz  | Channel 6 (VHF)  | 1928  | Still on air  | 24  | 21  | Mechanical Television  | ATSC
2XAF (Upgrade of WGY)  | WRGB-TV  | Schenectady, New York  | General Electric | 380 m  | 31.4 MHz  | Channel 6 (VHF)  | 1928  | Still on air  | 24  | 21  | Mechanical Television  | ATSC
2XAD (upgrade of W2XAF above)  | WRGB-TV  | Schenectady, New York  | General Electric | Channel 6 (VHF)  | 21.96 MHz  | Channel 6 (VHF)  | 1928  | Still on air  | 24  | 21  | Mechanical Television  | ATSC
WRNY | None  | New York City | Experimenter Publishing  | 326 m  | 920 kHz  | None  | August 13, 1928  | 1929  | 48  | 7.5  | Mechanical television  | None
2XAL  | None  | New York City | Experimenter Publishing  | (with WRNY), 30.91  | 9.7 MHz  | None  | August 13, 1928  | 1929  | 48  | 7.5  | Mechanical television  | None
3XK | None  | Washington, D.C. | Charles Jenkins Laboratories  | Unknown  | 46.72 MHz  | None  | July 2, 1928  | 1932 (1934?)  | 48  | 15  | Mechanical television  | None
W9XAA WCFL  | None  | Chicago  | Chicago Federation of Labor  | 61.25 m[1] | 61.5 MHz  | Unknown  | June 19, 1928  | 1937[2] | 45[1] | 15[1] | Mechanical television  | None
WKBI-TV  | None  | Chicago  | Unknown  | ?  | 215.7 MHz  | ?  | ?  | ?  | 48  | 15  | Mechanical television  | None
WIBO-lost
license
May 15, 1933
AKA W9XAO[3] | None  | Chicago  | Western Television (Sanabria)[3] | ?  | 305.9 MHz  | ?  | Summer 1929[4] | 1933  | 45[4] | 15[4] | Mechanical television  | None
KGFJ  | None  | Los Angeles  | ?  | ?  | 212.6 MHz  | ?  | ?  | ?  | 48  | \--  | Mechanical television  | None
WLBX  | None  | Lexington, Massachusetts  | ?  | ?  | 62.5 MHz  | ?  | ?  | ?  | 48  | \--  | Mechanical television  | None

## Television stations, from 1928 to 1939

Television stations, from 1928 to 1939

* * *

United States

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
W9XZV  | None  | Chicago, IL  | Zenith  | 2.1-2.2 MHz, later Channel 2  | None  | 1939, with a later Zenith experimental station in 1951  | 1953?  | ?  | ?  | Electronic television  | None
W1WX (later became W1XAV)  | None  | Boston  | SW and Television (Hollis Baird)  | 2120 kHz  | None  | April 1929 (became W1XAV in December 1929)  | 1931  | 48 (and later, 60 lines)  | 15  | Mechanical Television  | None
W1XAV  | None  | Boston  | SW and Television (Hollis Baird)  | 2.1-2.2 MHz  | None  | 1930  | 1931  | 48  | 15  | Mechanical television | None
W1XAV  | None  | Boston  | Unknown  | 2.1-2.2 MHz  | SW and Television (Hollis Baird)  | 1931  | 1934  | 60  | 20  | Mechanical television | None
W1XAY | None  | Lexington, Massachusetts  | 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  | ATSC
W2XCR | None  | New York City | Charles Jenkins Laboratories  | 2.75-2.85 MHz  | None  | 1929  | 1931  | 48  | 15  | Mechanical Television  | None
W2XCR  | None  | New York City | Charles Jenkins Laboratories  | 2.75-2.85 MHz  | None  | 1931  | 1933  | 60  | 20  | Mechanical Television  | None
W2XBS  | WNBC-TV  | New York City | RCA | 2.0-2.1 MHz  | Channel 4 (VHF)  | 1928  | 1929  | 60?  | 20?  | Mechanical television | ATSC
W2XBS  | WNBC-TV  | New York City | RCA | 2.75-2.85 MHz  | Channel 4 (VHF)  | 1928  | 1929  | 60  | 20  | Mechanical television | ATSC
W2XAB  | WCBS-TV  | New York City | CBS  | 2.1-2.2 MHz  | Channel 2  | 1931  | 1933  | 60  | 20  | Mechanical television  | ATSC
WRNY | None  | New York City | Unknown  | 1010 kHz  | None  | 1928  | 1929  | 36  | ?  | Mechanical Television  | None
WRNY  | None  | New York City | Unknown  | 1010 kHz  | None  | 1928  | ?  | 48  | 10  | Mechanical television  | None
W2XR  | None  | Long Island City, New York  | Hogan's Radio Pictures  | 2.85-2.95 MHz  | None  | March 26, 1929  | 1934  | 60  | 20  | Mechanical television  | None
W3XK | None  | Wheaton, Maryland (later moved to Silver Spring, Maryland)  | Charles Jenkins Laboratories  | 6420 kHz (6.42 MHz)  | None  | 1928  | 1931  | 48  | 15  | Mechanical television  | None
W3XK | None  | Washington, D.C. | Charles Jenkins Laboratories  | 2.0-2.1 MHz  | None  | 1931  | 1934  | 60  | 20  | Mechanical Television  | None
W9XX, later became W5XA | None  | Shreveport, Louisiana  | Rev. Lannie W. Stewart  | 1604 kHz  | None  | 1929  | 1934  | 45  | 15  | Mechanical Television  | None
W5XA | None  | Shreveport, Louisiana  | Paul L. Carriger  | 1594 kHz (video on the 160-meter amateur 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
W9XR[5] | None[6] | Downers Grove, Illinois (Chicago)[5] | Great Lakes Broadcasting/ National Broadcasting Company after 1931.[5][6] | 2.85-2.95 mHz[5] | None  | 1929[5] | 1933[6] | 24[5] | 15[5] | Mechanical television[5] | None[5]

Television stations, from 1928 to 1939

* * *

United States and 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  | frame rate (frame/s)  | Original broadcast system  | Current broadcast system
KGFJ  | None  | Los Angeles  | Unknown  | ?  | ?  | 1928  | ?  | 48  | ?  | Mechanical television  | None
W3XAD  | None  | Camden, New Jersey  | RCA | 124 MHz to 130 MHz  | Channel 5  | July 1930  | Became W3XEP  | 525  | 30  | Unknown  | None
W6XS  | None  | Los Angeles | Don Lee Broadcasting | 2.1-2.2 MHz  | ?  | 1931  | 1935  | 80  | 20  | Mechanical Television  | None
W6XAO  | KCBS-TV  | Los Angeles | Don Lee Broadcasting | 44.5 MHz (44-50 MHz, Channel 1)  | Channel 2  | December 23, 1931  | 1936  | 80  | 20  | Mechanical Television  | ATSC
W7XAO  | None  | Portland, Oregon | Wilbur Jerman  | 2.75-2.85 MHz  | ?  | 1929  | ?  | Unknown  | Unknown  | Mechanical Television  | None
W9XAA, WCFL  | None  | Chicago | Chicago Federation of Labor  | 2.0-2.1 MHz  | None  | June 19, 1928  | 1937[2] | 45[1] | 15[1] | Mechanical Television  | None
WIBO-lost
license
May 15, 1933
AKA W9XAO[3] | None  | Chicago, IL  | Western Television (Sanabria)[3] | ?  | ?  | Summer 1929[4] | 1933  | 45[4] | 15[4] | Mechanical Television  | None
W9XAK  | ?  | Manhattan, Kansas  | Kansas State College | 2.1-2.2 MHz  | ?  | 1932  | 1939  | 60  | 20  | Mechanical Television  | None?
W9XAL  | Unknown  | Kansas City, Missouri  | First National Television  | 2.1-2.2 MHz  | ?  | 1933  | 1935  | 45  | 15  | Mechanical Television  | None?
W9XAO[3] | None  | Chicago, IL  | Western Television (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

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  | 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 City | RCA, NBC  | Channel 1  | Channel 4  | 1932  | Still on air  | 525  | 30  | Mechanical Television  | ATSC
W2XAB  | WCBS-TV  | New York City | CBS  | Channel 2  | Channel 2  | 1931  | Still on air  | 525  | 30  | Mechanical Television  | ATSC
W2XWV  | WNYW-TV  | New York City | 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, D.C. | DuMont  | Channel 1  | Channel 5  | 1941  | Still on air  | 525  | 30  | Mechanical Television  | ATSC
W3XNB  | WRC-TV  | Washington, D.C. | NBC  | Channel 2  | Channel 4  | 1939  | Still on air  | 525  | 30  | Mechanical Television  | ATSC
W3XE  | KYW-TV  | Philadelphia  | 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  | Farnsworth | Channel 3  | Unknown  | 1937  | Unknown  | 525  | 30  | Mechanical Television  | Unknown
W3XPP  | Cancelled Permit, Now WCAU  | Philadelphia  | 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 | 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 | 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

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, California | Hughes Tool Company  | 2  | None  | Unknown  | off-air  | 525  | 30  | Mechanical television | None
W3XWT  | WTTG  | Washington, D.C. | DuMont Labs, Inc.  | Channel 1  | 5.1 (UHF 36)  | 1941  | Still on air  | 525  | 30  | Mechanical television | Now ATSC
WNBW  | WRC-TV  | Washington, D.C. | 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]

WMAQ-TV
1964-[3]

| 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  | 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 | NBC  | Channel 1  | 4.1 (UHF 28)  | 1928 (as W2XBS)  | Still on air  | 525  | 30  | Mechanical television | Now ATSC
WCBW  | WCBS  | New York City | 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 | 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 City | Bamberger Broadcasting Svc.  | 6  |  |  | Experimental  |  |  |  |
W2XMT  |  | New York City | 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  | 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  | 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
KE2XDR  |  | New York City | DuMont Labs  |  |  | 1950  | 1951  |  |  | Mechanical television | None
KPHO  | KPHO  | Phoenix, Arizona  | Gray Television  | 5  | 5  | 1949  |  | 525  | 30  |  |

## 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

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "WCFL Radio Magazine-Fall, 1928-WCFL Is on the air with Television Programs". WCFL/Chicago Fededration of Labor. http://www.earlytelevision.org/w9xaa.html. Retrieved 28 April 2010.
2. ↑ 2.0 2.1 2.2 Godfried, Nathan, ed. (1997), WCFL, Chicago's Voice of Labor, 1926-78, University of Illinois Press, pp. 281–290, ISBN 0-252-06592-1, https://books.google.com/books?id=wd_PDZkvS8cC&dq=dick+biondi&pg=PA284, retrieved 2010-04-06
3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 Samuels. "W9XAP-WMAQ'S Experimental Television Station". Samuels. http://www.richsamuels.com/nbcmm/wmaq/w9xap/index.html. Retrieved 22 May 2010.
4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 "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. http://www.televisionexperimenters.com/sanabria.html. Retrieved 11 May 2010.
5. ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 "Early Mechanical Television Stations". Early Television Museum. http://www.earlytelevision.org/mechanical_stations.html. Retrieved 23 January 2011.
6. ↑ 6.0 6.1 6.2 "Early Chicago Television-Mechanical TV". Hawes TV. http://www.hawestv.com/mtv_chicago/mtv_cgo.htm. Retrieved 23 January 2011.
7. ↑ 7.0 7.1 "Early WMAQ-transcript of article in September 1931 "RCA News"". Radio Corporation of America. http://www.richsamuels.com/nbcmm/wmaq/wmaqnbc.html. Retrieved April 25, 2010.
8. ↑ "Peck Mechanical Sets". http://www.earlytelevision.org/peck.html.
9. ↑ "Radio Station Histories - Canadian Communications Foundation | Fondation des Communications Canadiennes". http://www.broadcasting-history.ca/listings_and_histories/radio/histories.php?id=419&historyID=200.
10. ↑ Samuels. "Roll Opening Credits". Samuels. http://www.richsamuels.com/nbcmm/1968/rollopen.html. Retrieved 22 May 2010.
11. ↑ "Television stations authorized by the FCC, January 1, 1941". RCA Radio Travel-Log. 1941. Archived from the original on August 18, 2012. https://web.archive.org/web/20120818042243/http://www.earlytelevision.org/prewar_stations.html. 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

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