Check out OK1RR's excellent site,
specifically for an antenna called the Battle Creedk Special. It is a
well-known antenna used by many dxpeditions, made for 40-80-160, using traps.
The link above is for the wire version.
73 Darrell AB2E> Date: Wed, 2 Jul 2008 12:11:26 -0500> From:
email@example.com> To: firstname.lastname@example.org> CC: email@example.com> Subject:
Re: [TowerTalk] 160/80m Inverted L dualband design> > Pat, what are the details
of your trap? I'm using an inverted L for 80m, > about 5' away from my tower
and have been VERY happy with its > performance. I've often thought of putting
a trap in it and extending > the sloping section to get 160 m on it, but have
not seen either a > commercial trap or design for a trap that I was happy with.
What > resonant freq did you choose for the trap, and how is it constructed? >
Thanks, 73> > ...hasan, N0AN> > Pat Rundall wrote:> > I am contemplating the
construction of a dual band inverted L for 160 and 80> > meters. It would be a
quarter wave design with a sloping top and mounted off> > of the side of my
self supporting tower.> >> > I have modeled it in MMANA and am looking for
advice on the design,> > improvements, matching unit/trap ideas, alterna
tives, etc.> >> > You can see what the design looks like, SWR/gain plots,
design> > considerations, etc. here:> >
http://www.n0hr.com/Dual_band_Inv_L.htm> >> > If you have input, I would
certainly love to hear it.> >> > 73> > Pat N0HR> >
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