Watching the McMahon doc and how the first Wrestlemania was aired on closed circuit TV. I’ve heard of it for many years but never knew what it was or how it worked. Only thing I can decipher was that it’s like a mix of paying for PPV and paying to see a movie.
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It’s just a live video signal sent to select locations and not broadcast over the air.
Those locations would charge admission.
It isn’t terribly complicated and doesn’t use a special different technology than regular live sports TV.
PPV allowed for home watching
In this context closed circuit meant broadcast to large screens in public venues rather than to homes. I can’t find any technical details of how they did it, but at that point there was already the capability to send live signals across the US and these venues would have had broadcast related equipment for live broadcasts so they probably just rented transmission bandwidth from TV stations and did much the same as a live sports broadcast would have done just without the final step of TV stations transmitting the broadcast on public TV channels.
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