View single post by Jan
 Posted: Dec 12th, 2014 10:58 PM
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Jan

 

Joined: Jun 5th, 2012
Location: Inverness, Scotland
Posts: 85
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Sounds to me like you or a neighbour has a powerline network adaptor. Switch it off!

It's almost certainly some form of data you can hear and it's being radiated from the mains wiring.

Jan