September 15, 1980 ONTV Sign-Off & Transition To Spanish-Language Programming (KBSC, Los Angeles)

Coming attractions promos and nightly sign-off of ONTV subscription movie programming—via ONTV O&O KBSC (now Telemundo O&O KVEA) Los Angeles—from September 1980.

ONTV was a scrambled, over-the-air subscription movie service that ran on certain independent stations in larger markets where cable TV was not yet widely available. In Los Angeles, ONTV aired part-time on KBSC, with the remainder of the day's schedule brokered to a Spanish-language programmer and running unscrambled. You can see the moment when the scrambler is shut off to allow viewing without a set-top box, immediately after the announcer says "check your program guide for our schedule."

In 1985, ONTV owner Oak Industries sold KBSC to NetSpan, which would become Telemundo in 1987. Almost immediately after taking control of the station, NetSpan dropped ONTV programming and converted the station to 24-hour Spanish-language programming. Today, channel 52 is Telemundo O&O KVEA, operated alongside NBC's LA O&O, KNBC.

It's also worth noting that prior to ONTV, KBSC was part of the Kaiser Broadcasting chain of independent TV stations, along with KBHK (KBCW) San Francisco, WFLD Chicago, and WKBD Detroit, among others. Kaiser exited the broadcasting business in 1976, selling their stations to Field Communications, with the exception of KBSC. Because Los Angeles already had three major independent stations in the VHF band, KBSC, as a relatively late-coming UHF outlet, was not well-rated, lacked growth potential, and instead went to Oak Industries to be used as ONTV's flagship station.

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