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Topband: Re. RFI - lots of it

To: "topband@contesting.com" <topband@contesting.com>
Subject: Topband: Re. RFI - lots of it
From: Jim Murray via Topband <topband@contesting.com>
Reply-to: Jim Murray <adkmurray@yahoo.com>
Date: Mon, 26 Oct 2015 17:30:20 +0000 (UTC)
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Noise has decreased today.  We have had off and on showers up to about 24 hours 
ago and today clear and dry, barometer up.  Evidently wetness increases the 
noise.  I checked nearby poles etc. and nothing concentrated near the poles.  
Loudest I get is along and beneath a junction where lines from our home and 
lines coming from a building across the road meet.  Somewhat of a birds nest of 
wire right there.  I also found that the garage door opener (when not it use) 
also generates some noise but  not strong enough to reach very far.  Also, 
thanks Jim.  I read your article and I have a fairly good grounding and bonding 
situation.  The biggest difference is that I have a grounding bar (solid 
copper, thick strip not a grounding bar that is pounded into the ground)  
inside attached to the operating table that everything is attached to and bar 
is earth grounded.  Pretty much all the same setup I've used for years although 
I didn't have the rfi problem.  One problem I see that may come up is if the 
noise level is down at hf and the power company checks at vh or uhf, which ever 
they do I don't think they will pick it up (unless it rains).  Thanks again to 
all for the help.Regards,Jim/k2hn
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