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Author Topic: Odd noise moving SLOWLY down the band on 6m...  (Read 1669 times)
WA4UF
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« on: March 15, 2014, 07:04:00 AM »

I've heard noise like this before down on HF, but this morning I've heard it on 6m and was able to get a recording of it.  It's a kind of a high-pitched warbling noise that shifts lower in pitch (at least when heard on USB) as it slides very slowly down the band. It's about 5KHz wide at the most.

http://www.afn.org/~scotsman/audio/six.meter.noise.wav

Anyone have any notion of what the heck it is?
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K5LXP
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« Reply #1 on: March 15, 2014, 01:47:58 PM »

I'd be it's something in your house.  Have you done the main breaker test?

Mark K5LXP
Albuquerque, NM
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WB8VLC
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« Reply #2 on: March 16, 2014, 04:52:20 PM »

Sounds exactly like my whirlpool washing machine, my whirlpool duet washing machine, AKA sparkgap TX, makes the same noise from ~21 to 60 MHz.

 You gotta love these electric appliances, these things transmit further than a 5 watt qrp transmitter does when connected to a resonant antenna.
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