[TowerTalk] Question using balun on a hf beam

[Ken Shutt]

You can also add a current balun in the shack.  AKA MFJ-915.  It should be 
effective in reducing unbalanced currents on your coax.

73 de Ken W5KQ

----- Original Message ----- 
From: "Jim Brown" <jim at audiosystemsgroup.com>
To: <TowerTalk at contesting.com>
Sent: Monday, June 25, 2007 7:56 PM
Subject: Re: [TowerTalk] Question using balun on a hf beam


> On Mon, 25 Jun 2007 19:44:04 -0500, Jim Miller WB5OXQ in Waco wrote:
>
>>I want to know if I use a high power 1-1 current balun such as a
>>DX Engineering DXE-BAL050-H10-A will it improve anything? Using
>>just the choke I have problems with RF in the shack.
>
> Study
>
> http://audiosystemsgroup.com/RFI-Ham.pdf
>
> DXE makes good stuff, but your problem is unlikely to be related to
> the balun/choke. The more likely cause is a pin 1 problem in one or
> more of the pieces of gear in your station, including the radio
> itself.
>
> If you still want to improve the choke, you can easily build a
> better one than you can buy, even from DXE. Wait a few weeks for the
> updated 
cookbook
 (part of the tutorial at the link above) that
> Ill publish after Ive finished measuring some more chokes.
>
> 73,
>
> Jim Brown K9YC
>
>
>
>
>
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