[TowerTalk] B&W folded dipoles

Jim Lux jimlux at earthlink.net
Sat Sep 3 14:46:37 EDT 2005


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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