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Re: [RFI] RFI U-verse

To: rfi@contesting.com
Subject: Re: [RFI] RFI U-verse
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Sat, 26 Feb 2011 22:16:15 -0800
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On 2/26/2011 4:29 PM, ka4rur@gmail.com wrote:
> 3. Any suggestions?

You didn't say what ferrite core material you're using or how many turns.

It takes more turns for 160 than for 80 and above, and #31 material 
works much better than #43 or #61.  I'd try to get at least 14 turns, 
and more is better. If you've already done that much, with #31 material, 
add a second choke in series.

The best place for the choke(s) is as close as practical to the U-Verse 
box that is receiving the signal.  A choke is unlikely to do much good 
in/near a telephone splice box. It's the electronics that detects the 
RF, and that's where the choke should be.

73, Jim K9YC
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