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11mdx - Freebanding the World...A lesser evil Forum Index + Radio help + Interference

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26FB101
PostPosted: Wed 07 Oct, 2009 5:31 pm Post subject: Interference Reply with quote

Super Dxer

Joined: 03 Aug 2008
Posts: 462
Location: United Kingdom

I had previously posted my problem with recent inherited interference and thought at first it was PLT broadband equipment. A constant S7 on all fequencies in the spectrum on my Magnum S9. It was always there day in day out at all times of the day. FM wasnt too bad with a S3-4 but I could recall days before this when 19 UKFM at 4am would be a S0.

I have been preparing to call Ofcom to investigate the nuisance interference having already checked my own station/ qth for the cause. I used a 100amp leisure battery and turned off the mains, still there S7 on 555. So .....now as im about to call Ofcom and clear my shack of anything that would make the field engineers eyebrows head north the interference has ceased and for a period of a couple of days. However it has done this before and then re-appeared again then disappeared for a day or so. I have driven away from the house with the S9 in the car and as I drive around the corner the interference kicks in for about 5 houses.... so Im guessing the problem lies there.....however if it is broadband equipment why is there a 2 day lull? Would this be usual? Any thoughts guys? Cheers Confused
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26FB101
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Stronty
PostPosted: Thu 08 Oct, 2009 3:51 am Post subject: Reply with quote

Semi-Pro Dxer

Joined: 07 Oct 2007
Posts: 525
Location: Scotland.

Lo 101

If you have not already done so make sure you have a recording of the interference even a video would be better ( of the correct SWL radio of course).

Why does is go away sometimes? possibly becuase they go away for a few days if it is broadband related they may switch the router or hub point off.

It may turn out to be something other than broadband related though.

Get the ofcom folk out let them make the determination, your not going mad, it is there so they are the people to trace it.

Best of luck and look forward to hearing a good result.
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26FB101
PostPosted: Thu 08 Oct, 2009 3:42 pm Post subject: Reply with quote

Super Dxer

Joined: 03 Aug 2008
Posts: 462
Location: United Kingdom

Cheers stonty for your response....
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26FB101
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