Re: [TowerTalk] High power 2:1 transformer was Re: 16om vertical and the number of radials

["Richard (Rick) Karlquist" <richard@karlquist.com>]

Wrong device.  You want an "UNUN" not a "BALUN".
A vertical antenna is unbalanced.

I have an UNUN built with RG-58 coax wound around
a 2.4 inch #33 ferrite core. Very easy to make.

Rick N6RK

On 12/2/2022 1:05 PM, marsh@ka5m.net wrote:
> Yes, match at the feedpoint.
>
> You might check out Balun Designs:
> https://www.balundesigns.com/1-2-balun-25-to-50-ohms-3kw-1213/
>
> Marsh, KA5M
>
>
> -----Original Message-----
> From: TowerTalk <towertalk-bounces@contesting.com> On Behalf Of Pete Smith N4ZR
> Sent: Friday, December 02, 2022 2:39 PM
> To: towertalk@contesting.com
> Subject: [TowerTalk] High power 2:1 transformer was Re: 16om vertical and the 
> number of radials
>
> A somewhat related question - as the R component at the feedpoint of my 
> inverted L goes down toward 25 ohms, I've begun wondering if I should do some 
> matching at the feedpoint, rather than using my tuner in the shack, even though 
> feedline losses at 160 are relatively low.  Can someone point me toward a good 
> way to do a 2:1 downward transformation?  I already have a common mode choke at 
> the feedpoint.
>
> 73, Pete N4ZR
> Check out the new Reverse Beacon Network web server 
> at<https://reversebeacon.net>.
> For spots, please use your favorite
> "retail" DX cluster.
>
>
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