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Re: [TowerTalk] 1/4 wave vertical question

To: miroslav.sibilja@amis.net, "Tower and HF antenna construction topics." <towertalk@contesting.com>
Subject: Re: [TowerTalk] 1/4 wave vertical question
From: "Richard (Rick) Karlquist" <richard@karlquist.com>
Reply-to: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Date: Tue, 20 Apr 2010 07:29:06 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>

Mirko S57AD wrote:
> Even better solution - put variable capacitor at the base of antenna to 
> shorten it electrically for 30m band, and add a relay to shorten 
> capacitor when antenna is used on 40m band! After you find the right 
> value for capacitor, you may replace variable one with block one (it can 
> even be made of proper length of coax cable).
> 
> 73  Mirko, S57AD

Yes, I used to have a vertical like that in the early days of 30m.
Worked perfectly.  No tuner needed.

Rick N6RK
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