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Joined: Fri, Jul 26th 2013, 08:51 Roles: N/A Moderates: N/A

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All day long QRM on high HF bands Sep 29th 2014, 16:11 1 6,297 on 29/9/14

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All day long QRM on high HF bands EA3HSO on 29/9/14

After a few months in my new QTH, I started getting really strong interference on the higher HF bands. They happen every 50 Kz more or less and are permanent.

I've started a small fox hunt to see if there's a visible suspect in a nearby building (HVAC, etc.), but haven't pinpointed the origin yet.

If anyone recognizes this noise pattern any advice would be greatly appreciated.

Here are links to the band scope captures:

All the best,
73 from Barcelona, Spain,


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