In my opinion there wouldn't be a noticeable difference if you removed what you
already have assuming you have a reasonably good radial system.
Stan, K5GO
> On Aug 28, 2017, at 1:14 PM, N2TK, Tony <tony.kaz@verizon.net> wrote:
>
> Question on the choke balun. I am using a Comtek 100 bead over RG-400
> feedline choke on my shunt fed tower. Would there be a noticeable difference
> by replacing with a stack of ferrite cores and several turns of coax?
> 73,
> N2TK, Tony
>
> -----Original Message-----
> From: Topband [mailto:topband-bounces@contesting.com] On Behalf Of Mike
> Waters
> Sent: Sunday, August 27, 2017 3:11 PM
> To: Mike Furrey <mikefurrey@att.net>
> Cc: gary mankoff <garyjm88@gmail.com>; topband <topband@contesting.com>
> Subject: Re: Topband: Best 160 antenna
>
> The importance of a ferrite choke balun at the feedpoint cannot be
> overemphasized. A good design for 160m is 5 or 6 turns of coax wound through
> five stacked 2.4" 31-material ferrite toroids. Photos and details on my web
> pages referenced earlier.
>
> I had two elevated radials. It is a well-established fact that four 10' or
> 12' high 1/4 wave radials are as good as 120 on the ground.
>
> 73 Mike
> www.w0btu.com
>
> On Aug 27, 2017 12:53 PM, "Mike Furrey" <mikefurrey@att.net> wrote:
>
> Hi Gary,
> For many years I used an inverted L between two tall pine trees and one
> elevated radial that was L shaped to fit on the 90' x 60' lot I had in
> Spring, TX. The radial was about 15' up and it was fed through a choke
> balun.
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