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Re: [TowerTalk] RFI Issues for W7PSK

To: Cqtestk4xs@aol.com
Subject: Re: [TowerTalk] RFI Issues for W7PSK
From: Dave Cole <dave@nk7z.net>
Date: Tue, 13 Nov 2012 07:39:43 -0800
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Hi,

Given you worked for a number of companies, perhaps you could answer
this question? 

What will the power company do if the problem is within a home?  Will
they let me know they tracked it to a home, and which?  Also will they
contact the homeowner, or person living there?

-- 
73's and Thanks,
Dave
http://www.nk7z.net for equipment reviews, propagation, and more...


On Tue, 2012-11-13 at 10:33 -0500, Cqtestk4xs@aol.com wrote:
> I have had lots of experience working with RFI over the last 35 years with  
> three different power companies.
>  
> With most of the guys coming out, you can't just tell them...I have an RFI  
> problem and you need to find it.
>  
> It is imperative you go out and do your homework.  
>  
> The first suggestion is something you can't do...turn the beam around to  
> see where the source seems strongest.  usually there are multiple sources  so 
> this can be tricky.
>  
> Second, if you have a mobile rig, hit the road and using your AM radio as a 
>  starter, drive around the neighborhood.  When you start getting pretty  
> strong noise on the AM radio, switch to your mobile rig.  Turn it on AM to  
> the highest freq it will go.  Higher is better.    When it  peaks in a 
> general 
> area.  You have a culprit.  Check to see if anyone  in your local club has 
> an MFJ "sniffer" or something similar.  With that  you can usually nail down 
> the problem to one or two poles.  Tie a piece of  survey tape to the 
> pole(s).
>  
> After you have identified the offending sources, call up the power company  
> again and tell them you know for sure which poles are the problem.  I can  
> tell you from experience they will be a lot more cooperative if you do this 
> sort  of thing.  You , as the one with the complaint, will seem more  
> knowledgeable, and you will find them easier to work with.
>  
> I am currently working with my local power company using the above method  
> and they have been very cooperative.  In FL we have lots of thunderstorms  
> and as a result many arrestors on the poles get blown.  If you can lead  them 
> to the source they MUST and will fix it.
>  
> YMMV.
>  
> Bill K4XS/KH7XS
>  
> 
> In a message dated 11/13/2012 3:11:02 P.M. Coordinated Universal Tim,  
> w7psk@yahoo.com writes:
> 
> I guess  I should have given a little background.  
> 
> Im suffering from  severe RFI from my neighborhood, especially from 30 
> meters down through 80  where its unbearable.  Makes the bands sort of 
> useless.  
> I have  noise on the higher bands but its bearable.  
> 
> I had the power  company come out and try to find it as it sounded like 
> power line buzz to me  on AM.  But they ruled it out.  So they no longer will 
> help.   The ARRL has a volunteer that contacted me but after discussing the 
> station,  he wants me to fix a couple of issues he doesnt like before we go 
> RF sniffing.  He said legally with the FCC I need to correct these in case we 
> have to file a  complaint. 
> 
> My House is sort of a H shape with one leg off the H so  sort of chair 
> shaped.  My room is midway though the longer side of the  chair.  I have no 
> access hole out of the room to direct outside, and as  we put up new siding 
> the 
> XYL is not keen on me popping a hole there.  The  Bathroom sits to one end 
> and I had access to behind the tub so I ran my Coax  down that access and 
> across the crawlspace (which actually slopes) and out the  air vents. You can 
> stand in the crawl space on the bedroom end opposite the  bathroom from my 
> room. So driving a rod would be ok under the tub area.   However my land is 
> Rock filed and very difficult to drive a full 8 feet down,  it just depends 
> on 
> the area.
> 
> We rarely get lightning here, maybe 1 or 2  a year.
> 
> My antennas are a Ground mounted Vertical with 16 25' radials  and a 4ft 
> ground rod (rocks would only allow that deep).  Also I have a  glen martin 
> Roof tower right above the shack, which does not have a ground  wire attached 
> as I figured that would be 25 ft or so of ground wire and  wouldn't be 
> effective.
> 
> The ARRL rep (an electrical engineer) said i  need to drive an 8ft rod 
> below my room and run 2ga down to it.  I was  going to get a bus bar from the 
> big box to connect the shack equip to this  ground. 
> 
> He also suggested I put 2 more 4ft grounds around the  vertical. 
> 
> So that is what Im working  with.
> _______________________________________________
> 
> 
> 
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