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Re: [RFI] RFI Digest, Vol 115, Issue 23.....identification or rfi

To: "'Dave Cole'" <dave@nk7z.net>
Subject: Re: [RFI] RFI Digest, Vol 115, Issue 23.....identification or rfi
From: "Eddie Edwards" <eddieedwards@tconl.com>
Date: Sat, 25 Aug 2012 10:53:44 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Dave, 

The fact that you have two different levels of noise could possibly mean you
have two different noise sources, not one.  When the level of noise dropped
from source number 1, only then could you begin to hear the weaker noise
source number 2.  We've seen this happen quite often.  Also, if you didn't
taken an o'scope reading from your ham shack and find it matched the weaker
noise, then it may not be the source you are hearing.  Without remembering
your details around your station, I'm assuming you probably have several
local noise sources that you do not even hear on the radio.

If the stronger noise returns after the repairs are completed, then you'll
still need to locate that noise source.  If not, then whatever work brought
the lineman out on Friday may have already eliminated the stronger noise.
Hopefully it won't return.  

I'd be very interested in finding out what brand/model of device the
lineman/tech was using if you could find out and share with us on the list.
Thanks!

73, de ed -K0iL

-----Original Message-----
From: Dave Cole

I may have gotten really lucky today...  Someone from the Electric Ops of
the local Power Company was at my house to check out some locates, (I am
switching to gas), and I mentioned the noise...  

He got very interested, and pulled out something I have never seen...
It is a long hand held blue unit, maybe 4 feet long, and 7 inches wide, with
a LCD display on one end, and some sort of sensor on the other...
In any case, he grabbed that, and we ventured up to the suspect
transformer...  It was in quiet mode, (only S9 at my place, not 15 over like
each evening, and morning), so I expected to see no real result...
To my surprise he listened to it on his unit, (which pegged), and said that
he suspects a loose ground, and wow this is not right!  He also said he
would pass on my noise graphs to the Electric Ops folks so they can actually
fix it before it fails, and for me to expect a call Monday!  

WOW...  I may have gotten rid of my noise of two years finally!!!!! 

More Monday...


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