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Metalworking Tools and Materials
The Impossible Wooden Knot
So someone else said it. This is just a radio, but with a baseband carrier so no real range. You will get a 60 Hz hum(50 for our European friends) that will drive you crazy. AM modulate a different low frequency carrier for each channel (keeping your power within FCC limits) and you should be able to get the same effect with better range and no hum.
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