WCMH
 
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Columbus, Ohio United States |
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| Branding | NBC 4 |
| Channels |
Digital: 14 (UHF) Virtual: 4 () |
| Subchannels | 4.1 NBC 4.2 MeTV 4.3 Ion Television |
| Affiliations | NBC |
| Owner |
Nexstar Media Group (Media General Communications Holdings, LLC) |
| Founded | November 1946 |
| First air date | April 3, 1949 |
| Call letters' meaning |
Columbus Municipal Hangar (CMH = Columbus's IATA airport code) |
| Former callsigns | WLWC (1949–1976) |
| Former channel number(s) |
Analog: 3 (VHF, 1949–1953) 4 (VHF, 1953–2009) |
| Transmitter power | 902 kW |
| Height | 264 m (866 ft) |
| Facility ID | 50781 |
| Transmitter coordinates | 39°58′15.5″N 83°1′39.2″W / 39.970972°N 83.027556°W |
| Licensing authority | FCC |
| Public license information: |
Profile CDBS |
| Website | nbc4i |
WCMH-TV, channel 4, is an NBC-affiliated television station located in Columbus, Ohio, USA. Owned by Nexstar Media Group, the station's studios are located on Olentangy River Road near the Ohio State University campus, and its transmitter is based on Twin Rivers Drive, west of downtown Columbus.
Columbus' first television station began operations on April 3, 1949 as WLWC on channel 3. The station's original owner was the Cincinnati-based Crosley Broadcasting Corporation, a division of the Avco Company. Crosley also owned WLW radio and WLWT television in Cincinnati, as well as WLWD television (now WDTN) in Dayton. Together these stations comprised the "WLW Television Network", a regional group of inter-connected stations. Until the early 1960s, they emphasized their connection to each other within their on-air branding; the Columbus station was known as WLW-C. The station's studios were originally located in the Seneca Hotel in downtown Columbus before WLWC moved into their present facility on Olentangy River Road, five months after the station signed-on.
Like all of the WLW television stations in Ohio, WLWC was an NBC affiliate, though it carried some programming from the DuMont network until WTVN-TV (now WSYX) took the DuMont affiliation when that station launched in September 1949. In 1952, following the release of the Federal Communications Commission (FCC)'s Sixth Report and Order which ended the four-year freeze on station license awards, a VHF frequency realignment resulted in WLWC being forced to move to channel 4, trading channels with NBC-owned WNBK (now WKYC-TV) in Cleveland; the switch took place in June 1953.
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