Topband: RG8X

Mike Waters mikewate at gmail.com
Fri Nov 22 02:30:01 EST 2013


I almost put a link to your info in my previous e-mail, Jim. That's where I
got the info to build the choke I use.

73, Mike
www.w0btu.com

On Fri, Nov 22, 2013 at 1:16 AM, Jim Brown <jim at audiosystemsgroup.com>wrote:

> On 11/21/2013 11:05 PM, Mike Waters wrote:
>
>> I think you would be better off with a ferrite core choke.
>>
>
> Yes. Also see the Choke Cookbook in k9yc.com/RFI-Ham.pdf  16 turns of a 4
> ft length of two parallel #12 THHN conductors connected as a section of
> parallel wire line makes an excellent choke for 160-30M, and will handle a
> lot of power if the antenna is reasonably well balanced. W8JI has shown
> that a vertical with a folded counterpoise is not well balanced (the FCP is
> electrically short), and high power could fry this choke.
>
> 73, Jim K9YC
>


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