I believe N4ZR either has or had one of these on 80.
----- Original Message -----
From: "jljarvis" <jljarvis@abs.adelphia.net>
To: <towertalk@contesting.com>
Sent: Monday, March 18, 2002 5:26 PM
Subject: [Towertalk] 40m directional antennas
>
> From what I can see, a 2 el 40m yagi will yield 4.5dBd at best,
> with a f/b ratio that is well less than 20dB. Azimuth beamwidth
> is on the order of 85 degrees.
>
> By comparison, a 'spitfire' array.... 4 sloping dipoles, folded back
> toward the base from the feedpoint, gives 4.5dBd, 20dB f/b, instant
> directional change, and substantially reduced cost. Azumuthal
> beamwidth is also in the 85 degree vicinity.
>
> Has anybody modelled these things?
>
> N2EA
>
>
>
>
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