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Re: [RFI] Spectrum RFI Tracking

To: rfi@contesting.com
Subject: Re: [RFI] Spectrum RFI Tracking
From: Larry Benko <xxw0qe@comcast.net>
Date: Sun, 5 Feb 2017 08:57:25 -0700
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Not really Paul. I think they are somewhat in denial and they believe the only way VDSL2 radiates is if there are wiring problems. I think a better statement is that if the wiring is perfect the RFI is fairly close to the noise level but this is not true for most installations.

73,
Larry, W0QE


On 2/5/2017 7:30 AM, Paul Christensen wrote:
Tom,

Great work by you and W0QE.   After you met with CenturyLink's leadership
team, did they develop an action plan for a final resolution of the problem?


Congrats to Larry, W0QE for creating a shared PC board of his Hi-Z
amplifier.  I just purchased a set.

For folks who aren't skilled with SMD/SMT work, one alternative is the DX
Engineering (DXE) active vertical antenna.  It would require some mechanical
tweaks for fitting onto a magnetic base.   According to the latest DXE
catalog, a similar version that was developed by Jack Smith, K8ZOA (SK) will
be available later this year.

Paul, W9AC

On 02/04/2017 12:35 PM, Tom Thompson wrote:
Some time ago, I posted information about using a spectrum display for
RFI tracking.  One issue that arose was how to use a short vertical
antenna (~48 inches) as a broad band antenna.  In order to do this, a
high impedance, broadband amplifier is needed.  Larry Benko, W0QE, has
developed such an amplifier.  He describes the amplifier and its use
on his web page:
http://w0qe.com/RF_Interference/spectrum_display_rfi_tracking.html

Check it out.

73,   Tom   W0IVJ
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