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Old 07-13-2020, 12:45 AM
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old_tv_nut old_tv_nut is offline
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Join Date: Jul 2004
Location: Rancho Sahuarita
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4.5 MHz patterns dance in time with the audio. This looks more like some external interference from nearby equipment, perhaps a computer or something with a switch-mode power supply.

Check that you don't have a broken antenna wire / bad signal connection.
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