KHON-TV
KHON-TV first signed on the air on December 15, 1952 as a primary NBC affiliate, KONA-TV, occupying the channel 11 position. It also had a secondary affiliation with DuMont (which it later shared with KULA-TV, now KITV, after it signed on in 1954) until its demise in 1955. The station, which is Hawaii's second-oldest television station (behind KGMB, originally on channel 9, now on channel 5), was originally owned by Herbert Richards. Two years later in 1954, the "Honolulu Advertiser" purchased the station. On October 16, 1955, KONA changed channels from 11 to 2 due to the lower VHF positions (2 to 6) having the most powerful ERPs at the time. The channel 11 frequency now belongs to PBS member station KHET. In 1956, KONA was sold to Pacific and Southern Broadcasting, the forerunner of Combined Communications. KAII signed on in 1958, with KHAW following in 1961. In 1965, the station's call letters were changed to the current KHON-TV.
List of television stations in the San Francisco Bay Area
By the mid 1960s, more sets were being equipped to receive UHF signals and this led to additional UHF stations, beginning on January 2, 1968, with KBHK, operating on Channel 44, a station owned by Kaiser Broadcasting. In 1968, KSAN was acquired by Metromedia and renamed KNEW, then donated to KQED in 1970, which operated it as a secondary PBS channel under the call letters KQEC. The station changed hands again in 1988, becoming a foreign language station known as KMTP-TV.