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AFSK: audio FSK, FSK modulation that generates an audio signal which is transmitted over FM radio, (or some voice modulation). It's a popular amateur radio technique to do FSK using inexpensive hardware.
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AFSK: audio FSK, FSK modulation that generates an audio signal which is transmitted over FM radio, (or some voice modulation). It's a popular amateur radio technique to do FSK using inexpensive hardware.
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