[CQ-Contest] Re: [TowerTalk] 80m Dipole ssb/cw switching

[k7qq at juno.com]

On Thu, 15 Nov 2001 07:44:03 -0500 Jim Idelson <k1ir at designet.com>
writes:
> 
> Hi Tom,
> 
> You said,
> 
> >The most simple system is just to build a "fat" dipole. If you fan 
> the ends of 
> a dipole out several feet with a spreader, it is quite easy to cover 
> the CW and 
> SSB areas without any type of mess. A cage dipole would also work.<
> 
> A natural question is whether this approach will broadband my 80M 
> wire Yagi if 
> I fan the ends of all three elements. Not just swr bandwidth, but 
> gain and f/r 
> bandwidth.


DON'T  fan all 3 elements Just cut the Reflector below 3500 and the
director above the highest freq of use.
QUACK

> As an aside, when you fan the ends of a properly tuned single-wire 
> element, as 
> you describe, what happens to its resonant frequency? Does it end up 
> needing to 
> be shorter or longer?
> 
> 73,
> 
> Jim
> 
> 
> --
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> 
> 
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