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![]() "tommyknocker" wrote in message ... snippage Also, AM signals don't escape into space like FM and TV signals do, they just bounce around the ionosphere until they die out completely. We know this as "skywave". AM BCB (MW) signals do escape into space.. some at night, but most during the day when the ionosphere is not reflecting most of them back to Earth. Even at nights some signals strike the ionosphere at acute enough angles that they will make it through. I remember seeing an episode of Amazing Stories (TV show) back in the 80s where these teenage experimenters picked up TV signals from a planet 20 light years away. The aliens had recieved our TV signals during their nascent radio era, and faithfully recreated the shows. Thus "I Love Lucy" with little conehead like aliens whose language sounded like "rolf rolf rolf". I remember that AS episode too.. I miss that show. I have something like three episodes somewhere around here on an old ßeta tape, will have to dig them out sometime.. |