4.811 mHz noise? - RadioBanter

December 10th 07, 08:27 PM posted to rec.radio.shortwave

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4.811 mHz noise?

JoanD'arcRoast wrote:

Anyone else receiving this? In AM, sounds like a low breathy note on a
flute. In sideband, sounds like a sweeping chirp - once per second. I'm
suspicious, because I can hear it about S3 during the day, so I'm
thinking local. (Perhaps my gas or electric company's remote read
digital meters?)

Most likely CODAR.

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