From Handwiki 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.)
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Television stations, as of 1928 United States of America | |||||||||||||
| 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 | |
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Television stations, as of December 1928 United States of America | |||||||||||||
| 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 | |
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Television stations, from 1928 to 1939 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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, Massachusetts | 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, MA | SW and Television (Hollis Baird) | 2.1-2.2 MHz | None | 1930 | 1931 | 48 | 15 | Mechanical television | None |
| W1XAV | None | Boston, MA | Unknown | 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 | ATSC |
| 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 | 60? | 20? | Mechanical television | ATSC |
| W2XBS | WNBC-TV | New York, NY | RCA | 2.75-2.85 MHz | Channel 4 (VHF) | 1928 | 1929 | 60 | 20 | Mechanical television | ATSC |
| W2XAB | WCBS-TV | New York, NY | CBS | 2.1-2.2 MHz | Channel 2 | 1931 | 1933 | 60 | 20 | Mechanical television | ATSC |
| 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 | March 26, 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 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] |
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Television stations, from 1928 to 1939 United States of America 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, OR | Wilbur Jerman | 2.75-2.85 MHz | ? | 1929 | ? | Unknown | Unknown | Mechanical Television | None |
| W9XAA, WCFL | None | Chicago, IL | 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, KS | Kansas State College | 2.1-2.2 MHz | ? | 1932 | 1939 | 60 | 20 | Mechanical Television | None? |
| W9XAL | Unknown | Kansas City, MO | 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] |
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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 | ||
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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 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, 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 | 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 | ||||||
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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, California | 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]
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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 | ||
| KE2XDR | New York City | DuMont Labs | 1950 | 1951 | Mechanical television | None | |||||||
| KPHO | KPHO | Phoenix, Arizona | Grey Television | 5 | 5 | 1949 | 525 | 30 | |||||
Categories: [Television pioneers]
ZWI signed: