WKLO-TV was a UHF television station

Television station

A television station is a business, organisation or other such as an amateur television operator that transmits content over terrestrial television. A television transmission can be by analog television signals or, more recently, by digital television. Broadcast television systems standards are...

 in Louisville, Kentucky

Louisville, Kentucky

Louisville is the largest city in the U.S. state of Kentucky, and the county seat of Jefferson County. Since 2003, the city's borders have been coterminous with those of the county because of a city-county merger. The city's population at the 2010 census was 741,096...

 that operated from October 18, 1953 to April 20, 1954. It broadcast on channel 21 as a ABC

American Broadcasting Company

The American Broadcasting Company is an American commercial broadcasting television network. Created in 1943 from the former NBC Blue radio network, ABC is owned by The Walt Disney Company and is part of Disney-ABC Television Group. Its first broadcast on television was in 1948...

 and DuMont

DuMont Television Network

The DuMont Television Network, also known as the DuMont Network, DuMont, Du Mont, or Dumont was one of the world's pioneer commercial television networks, rivalling NBC for the distinction of being first overall. It began operation in the United States in 1946. It was owned by DuMont...

 affiliate, using the personnel and facilities of WKLO-AM

WKJK

WKJK is a radio station broadcasting a News Talk Information format. Licensed to Louisville, Kentucky, USA, the station serves the Louisville area...

. Since very few television sets at that time could receive a UHF signal, WKLO was at a disadvantage against the two existing VHF stations. Advertisers were reluctant to purchase commercial time on the station and it suspended operations in 1954 after just six months on air. On July 13, 1956 WKLO asked the Federal Communications Commission

Federal Communications Commission

The Federal Communications Commission is an independent agency of the United States government, created, Congressional statute , and with the majority of its commissioners appointed by the current President. The FCC works towards six goals in the areas of broadband, competition, the spectrum, the...

 (FCC) to allow it to use VHF Channel 7 which was at the time allocated in nearby Evansville, Indiana

Evansville, Indiana

Evansville is the third-largest city in the U.S. state of Indiana and the largest city in Southern Indiana. As of the 2010 census, the city had a total population of 117,429. It is the county seat of Vanderburgh County and the regional hub for both Southwestern Indiana and the...

, but this never occurred. The transmitter site and tower were eventually used for WKLO-FM

WDJX

WDJX is a Contemporary Hit Radio radio station located in Louisville, Kentucky. The station is licensed by the Federal Communications Commission to broadcast on 99.7 FM with a effective radiated power of 24 kW.-Station history:...

 in 1962. Channel 21 was not used again in Louisville until 1985 when WBNA

WBNA

WBNA is an affiliate of the Ion Television network, located in Louisville, Kentucky and broadcasting over digital channel 8. WBNA is owned by Evangel World Prayer Center, an Assemblies of God megachurch in Louisville...

signed on.