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Anyone can do it, provided that you have the right parts. Surprisingly, the coil has a relatively high q, which increases selectivity and allows the radio to tune in five local stations when connected to a 100 foot. 3 transistor short wave radio.
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Web a crystal radio, or crystal set as it is sometimes called, is a radio that only uses the power of the radio waves picked up by the antenna to generate the sound heard in the head. Parts are available from radio shack or antique electronic supply (6221 south maple ave, tempe, az 85283; Web radio all by themselves.
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