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Re: [TowerTalk] B&W folded dipoles

To: K4SAV <RadioIR@charter.net>, towertalk@contesting.com
Subject: Re: [TowerTalk] B&W folded dipoles
From: Jim Lux <jimlux@earthlink.net>
Date: Sat, 03 Sep 2005 11:46:37 -0700
List-post: <mailto:towertalk@contesting.com>
At 07:27 AM 9/3/2005, K4SAV wrote:
>Cebik thinks these things use an 800 to 900 ohm terminating resistors
>and a 16:1 transmission line transformer.
>
>http://www.cebik.com/wire/wbfd.html
>
>I too would like the specific data on the B&W.  I have modeled it, but I
>used a lot of guess work for the details.
>
>Jerry, K4SAV

Cebik models that these get 6dB hit over a dipole.  If they're that lossy, 
it's no wonder they get a good match: heck, any antenna with a 6dB pad in 
the feed line will get no worse than 1.66:1 VSWR.  (nothing says that "any 
antenna" will actually radiate, though).


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