Topband
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TopBand: VERTICAL ANTENNA SELECTION

To: <topband@contesting.com>
Subject: TopBand: VERTICAL ANTENNA SELECTION
From: miltj@aepnet.com (Milt Jensen)
Date: Tue, 22 Apr 1997 18:09:52 -0700
Bill and others,
        Lew McCoy, W1ICP reviewed the CTSVR a couple of years ago for CQ mag.  
He
still has it installed in his backyard and it does a real good job for him.
 Look up the review, or E-mail him at the address found in the front of the
CQ mag.  73 de Milt, N5IA


----------
> From: Bill Tippett <btippett@hub.infoave.net>
> To: topband@contesting.com
> Subject: Re: TopBand: VERTICAL ANTENNA SELECTION
To: <topband@contesting.com>
> Date: Tuesday, April 22, 1997 10:21 AM
> 
> KE1Y wrote:
> 
> >I believe that a similar concept should work on Topband as well.
> 
>         Rolf's comments were VERY interesting especially since I
> know how well his normal antenna works on 80!  However, I would
> caution ALL about extrapolating the results to 160.  As I remember,
> the Butternut HF-2V is about 30+ feet high making it an excellent
> performer on 40 and 80...but to extrapolate Rolf's 80 meter performance
> to 160, the antenna would need to be about 60+ feet high, with the base
> and elevated radials at 20 feet! That would indeed be a great performer
> on 160 (in fact similar to what DL3DXX & crew used during their recent
> S21/P29 expeditions).  If you do decide to go with the HF-2V, be sure
> to use lots of toploading wires on it for 160, as little base-loading
> as possible and install the very best ground system you can.  I am by no
> means saying that it will not work, but just don't expect to be very
> competitive with guys using large verticals (i.e. within 10 dB).  
> 
>         Another commercial toploaded vertical is the CTSVR (?) which
> is manufactured by a company in Texas.  N7CKD uses one of these and
> may have some comments.  I think CTSVR stands for "capacity tuned
> short vertical radiator" and it is about 30+ feet high with a tophat,
> but it may be a little more expensive than the Butternut HF-2V.  Dennis
> is at n7ckdennis@juno.com if you want to contact him directly.
> 
>                                                 73,  Bill  W4ZV
> 
> P.S.  When K9RJ develops some economical, room-temperature, super-
> conducting alloys, then I will believe in short verticals for 160!
> 
> 
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