I "read the book" and for my Hy-Gain TH3 tribander it says 12 turns 6"
diameter. Is this one case where you get bad advice from doing what the
manual calls for????
73 Mike K9MI
----- Original Message -----
From: "Pat Barthelow" <aa6eg@hotmail.com>
To: <wboxq@grandecom.net>; <towertalk@contesting.com>
Sent: Wednesday, June 13, 2007 01:51
Subject: Re: [TowerTalk] RF Choke or Balun
> Jim,
>
> Here is some good info on choke baluns...
>
> See: http://www.k1ttt.net/technote/airbalun.html
>
> Sincerely, Pat Barthelow aa6eg@hotmail.com
> http://www.jamesburgdish.org
> Jamesburg Earth Station Moon Bounce Team
> http://www.cq-vhf.com
>
>>From: "wb5oxq" <wboxq@grandecom.net>
>>To: <towertalk@contesting.com>
>>Subject: Re: [TowerTalk] RF Choke or Balun
>>Date: Tue, 12 Jun 2007 16:22:15 -0500
>>
>>If I were to make a new choke for my triband beam out of RG-213, how many
>>turns would you suggest and what diameter coil. Is pvc pipe a good coil
>>form? How far away from the connection at the driven element can it be
>>located. Can I tie strap the assembly to the boom? My antenna is a force
>>12 c-3 at 52' above ground. My current choke may have been hit by
>>lightning
>>at some time and works ok at 100 watts with 1.4 to 1 but at legal limit
>>the
>>reflected power rises to 70%.
>>WB5OXQ, Jim in Waco
>
>
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