HFU HF Underground
Technical Topics => Part 15 AM and FM Station Operation => Topic started by: RobRich on October 10, 2020, 0450 UTC
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Unintended radiator, anyway. Probably a lack of shielding for the audio amp or similar.
https://hackaday.com/2020/09/18/listening-to-an-iphone-with-am-radio/
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I saw that too, very cool. Be sure to read the reader comments there also.