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An elementary school science teacher in this Chicago suburb doesn't have to turn on the news for an update on NASA's space mission. She just turns on her video baby monitor.
Originally posted by Cloak and Dagger
Does anyone on ATS know how exactly the baby monitor was able to do that? Would they have to use similar frequencies?This isn't my area of expertise =]
Putting my amateur radio hat on..
When a radio (or TV in this case) wave is transmitted it will also have harmonics sent out both above and below the frequency it is using.
According to the article in the original post, NASA doesn't think the monitor was receiving the signal directly from the space station, but instead was picking up a broadcast of NASA-TV, which is broacast on some cable systems, Direct TV and Dish network, and is