ONTV

ONTV

ONTV, also known as National Subscription Television, was an American subscription television service that was launched in 1977 as a joint venture between Oak Industries, Norman Lear's Chartwell Enterprises and Jerry Perenchio. Oak was a manufacturer of satellite and pay-TV decoders and equipment. ONTV operated in major markets such as Los Angeles, Chicago and Detroit.

The above text is a snippet from Wikipedia: ONTV (pay TV)
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