[TowerTalk] Yagiis

Tom Rauch w8ji at contesting.com
Fri Jun 1 22:48:25 EDT 2007


> There is no decrease in gain by using a OWA design. I have 
> carefully modeled the
> OWA vs. conventional low impedance feedpoint designs. The 
> only draw back to the
> OWA is one additional element for a given boom length 
> (this close spaced 1st
> director creates a 50 ohm feedpoint impedance for direct 
> feeding and great VSWR
> bandwidth - nothing more). The gain and F/B bandwidth are 
> not changed by the use
> of the OWA feed system design.
>
Hi Tim,

The OWA article says they give up gain.

http://www.naic.edu/~angel/kp4ao/ham/owa.html

What software are you using? My Eznec 5 sure doesn't handle 
tapered elements well.

73 Tom




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