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AM radio is a terrible transmission format in many ways but it's good because as you note it's extremely easy to decode into sound!


AM radio receivers are so easy to make that they scare people who make them accidentally!

A pair of old not-plugged-in computer speakers can also be an AM radio receiver.


One night, after a particularly bad thunderstorm, our phone lines started picking up an AM radio station before you placed a call. My parents swore up and down somebody had left a phone out of the receiver and after unplugging every station in the house, we realized the problem. Now I can still pick up that same radio station if I hold the male end of a cable plugged into a guitar amp. At least the station plays decent music!




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