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Re: [TowerTalk] Stacked 4 El SteppIR's

To: <bryanr@bometals.com>
Subject: Re: [TowerTalk] Stacked 4 El SteppIR's
From: "Jim Lux" <jimlux@earthlink.net>
Date: Fri, 12 Sep 2003 06:24:57 -0700
List-post: <mailto:towertalk@contesting.com>
----- Original Message -----
From: "Bryan Rambo" <bryanr@bometals.com>
To: <towertalk@contesting.com>
Sent: Friday, September 12, 2003 2:34 AM
Subject: RE: [TowerTalk] Stacked 4 El SteppIR's


> Cool idea, Jim.  Not sure you could steer the elevation pattern enough to
be
> meaningful though.  I just modeled a pair of yagis stacked 60ft apart
(using
> the 20m 5 el yagi that comes with EZNEC 3) and adjusted the driven-element
> length 20 inches long on one yagi and 20 inches short on the other.  This
> only steers the takeoff angle up by one degree.

With the driven elements tied together?  How much phase shift was there in
the driven element currents?

Can you send me the model file?

>
> Very interesting idea though...
>
> 73 - Bryan W4WMT
>

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