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[Yaesu] ANC-4 is not a cure-all

To: <yaesu@contesting.com>
Subject: [Yaesu] ANC-4 is not a cure-all
From: johngeig@yahoo.com (John Geiger)
Date: Tue Mar 25 15:59:01 2003
Hi Wiley,

I am glad to hear you state this, as I had several
suggestions to get an ANC-4.  I got one a few months
ago, and it didnt work at all.  Fortunately Memphis
Amateur had a return policy on it, so I returned it. 
I am working on finding the noise, and have found a
few noisy poles, but the power company will not come
out and do anything about them.  They won't even
return my phone calls.  That is why I inquired about a
rig with a good noise blanker as a stop gap measure
until the power company fixes the problem or I move

73s John NE0P

--- Wiley Sanders <wsanders@wsanders.net> wrote:
> The ANC-4 is not a cure-all for power line noise. It
> is only effective if the 
> noise can be isolated from the receive signal, and
> brought into the unit on a 
> separate "sense" antenna. It is not set and forget
> if the phase of the noise 
> changes over time. At my particular QTH, the line
> noise originates all over 
> the neighborhood, at numerous poles, and as weather
> and temp changes, the 
> sources of noise change. The ANC-4 is completely
> ineffective against this 
> noise. As a matter of fact, I'm selling mine on EBay
> as soon as I can get a 
> picture of it. I'm not saying it doesn't work - it
> just is effective against a 
> specific kind of noise source, like a dimmer or
> computer.
> -Wiley KF6IIU
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