[amsat-bb] Re: Antenna Question

[George Henry]

Yeah, I found the review on the ARRL web site by searching for "QHTenna".

Looking at the pictures, it appears that the dipoles are separated by about 
1/4 wave in free space, which is physically longer than a 1/4 wave phasing 
line would be.  And I'd think that the phasing line would have to be 1/2 
wavelength, after introducing a 1/4 wave offset between the dipoles, 
correct?

In answer to Joel's original question, there is a link at www.qhtenna.com 
for questions or support for owners of existing QHTennas.

They should be pretty easy to duplicate, at any rate.


George, KA3HSW


----- Original Message ----- 
From: "Jim Jerzycke" <kq6ea at pacbell.net>
To: "amsat bb" <amsat-bb at amsat.org>; "George Henry" <ka3hsw at att.net>
Sent: Saturday, July 04, 2009 1:54 PM
Subject: Re: [amsat-bb] Re: Antenna Question


The product review is in the August 2004 QST. If you have access to the 
reviews page you can find it under the "Q" listings by manufacturer.
Jim KQ6EA

--- On Sat, 7/4/09, George Henry <ka3hsw at att.net> wrote:

From: George Henry <ka3hsw at att.net>
Subject: [amsat-bb] Re: Antenna Question
To: "amsat bb" <amsat-bb at amsat.org>
Date: Saturday, July 4, 2009, 8:51 AM

Sounds like the "QHTennas", made by N4QH. Reviewed in QST in 2005, then he
stopped producing them just a few months later.
Near as I could figure out, they are a conventional turnstile design, but
with the 2 dipoles separated by the length of the phasing line, and no
reflector.

George, KA3HSW