Spectrum was an American subscription television channel that was owned and operated by United Cable. Existing during the early 1980s, the service was available in the Chicago and Minneapolis–St. Paul metropolitan areas. United Cable, which owned a majority stake in Spectrum through its Home Entertainment Network division, also owned a third STV operation in the Cincinnati and Dayton market, which used the ON TV brand name under license; United had purchased a majority share in Home Entertainment Network from original owners Buford Television for a reported $20 million in 1982.