[RFI] Local RFI...

[Lloyd - N9LB]

Hi Ken!

The ARRL has a wealth of information regarding RFI issues with "arc-fault
interrupter" breakers, some brands are very bad, others not much of a
problem.  Some manufacturers will replace breakers that trip on RF.  Look at
the ARRL website or contact them directly for more information.  ( My house
is old enough that I don't have those things! )

As to RF getting into (or out of) things, yes, I know exactly what you are
experiencing.  I had to put clip-on ferrites on almost everything in my
shack including the FLEX-5000 rig, linear, audio amp, key, PTT and mic
cables.  Also on my computer and on my XYL's computer cables.   Sounds like
a lot, but actually only around $100 worth of materials.

I also have all shack chassis ( including the PC ) connected to a common
copper ground strap that goes directly outside to a "ground ring" all around
the outside of my house ( buried about 8-12 inches below the surface ),
ground rods at every corner and bonded to the "utility" ground rod and
copper plumbing. Those materials ( copper strap, copper ground wire, clamps,
and ground rods ) cost under $200. 

My FLEX rig and computer used to lock up even when running 100 watts, I can
now run 1.5 KW and no problems.  Also it seems like the background noise is
much lower than it originally was. 

73

Lloyd - N9LB


-----Original Message-----
From: RFI [mailto:rfi-bounces at contesting.com] On Behalf Of Kenneth G. Gordon
Sent: Monday, September 05, 2016 2:34 PM
To: Rfi at contesting.com
Subject: [RFI] Local RFI...

Well, I am requesting advice from the group: I recently reinstalled my 57
foot vertical here
(1/2 of a W3DZZ dipole set on end, with radials), after finally completing
the addition to our home which required the antenna's removal.

Since I have put the antenna back in operation, I am finding some
"interesting" RFI issues. 

For one, the arc-fault interrupter (I hate those things!!!) in our new
bedroom keeps tripping whenever I am on 40 meters, and my wife's computer
loses contact with its keyboard, and sometimes the mouse, when I am on 20
meters. In addition, my wife's computer monitor shows interference.

Yet my own computer which is in the same office, doesn't appear to be being
bothered.

In fact, the stupid AFI tripped when I was operating on 40 meters even with
my temporary low dipole.

So, advice? Suggestions? Stab in the eye with a sharp stick? Go away, Kid,
you bother me?

Ken W7EKB

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