Playing with antennas, and tweaking there design are one of the facets that
many of us enjoy in this Hobby
or as my wife says Sickness !
I would also like to see a apple to apple comparisons of available Mono
band antennas.
A daunting task for sure. Most of us just stuck examining the designing
and tweaking antennas
With software !
Dean Straw N6BV among others over the years had tweaked the famed and popular
Hi Gain monoband antennas.
W2PV had a enlightening papers on yagi antennas, with the famous PV4 ...
Tom Schiller N6BT and the F-12 shed more light on in fully insulated elements,
( Cell design ) and wide band 50 OHM
feed impedance. His Book Array of light is a Must read IMO ( thanks K9RS for
the hint ).
Then reading WA3FET's papers another must read . Last but not least
Justen Johnson G0KSC with his website and info on OWA, OWl LFA antennas.
many of the newer products of F-12 are a celebrative of his design,
Many of this info is for the Roll you own crowd , But gives you an incite
as to what's happening and why
in your own backyard.
There was a comment about the tried and true HI Gain 204BA out of the BOX
compered to the newly developed
computer designed antennas. But I am hear to tell you I know of 3 active
contester with a wall full of ARRL and CQ award plaques
both Phone and CW using these little compact antennas.... and there Power
handling capability of 1.5 KW
WOW That's THE " legal Limit " and a stack of 2 of these guys give you a
BIG bang for you $
Wayne W3EA
d> To: towertalk@contesting.com
> From: k6uj@pacbell.net
> Date: Thu, 12 May 2016 20:33:06 -0700
> Subject: Re: [TowerTalk] Force 12 20M Monobander
>
> Russ,
>
> I agree, another comparison test would be great. Now we have the OP-Des
> and other new kids
> on the block to compare that we didnt have back then.
>
> Bob
> K6UJ
>
>
>
>
> On 5/12/16 9:53 AM, Russ Dearmore via TowerTalk wrote:
> > Rick, Thanks for your comments. I found the F/B to be much higher than
> > you did so maybe we're talking about different antennas. The OP-Des design
> > of the Force 12 is probably the reason for better gain and flatter SWR.
> > I've got more confidence in the 5kw power rating than the 1.5kw of the
> > 204BA since I use a manually tuned amp that wants to go higher than that.
> > I'll probably keep looking at the new designs rather than the old
> > technology. In regards to the SteppIR I'm not comfortable with the extra
> > maintenance they are well known for. Needlessly expensive in the long run.
> > I also share your skepticism about antenna manufacturer's claims and
> > think it's time for a monobander comparison test like Ward did with the
> > Tri-banders some time back. Thanks again, Russ K5ZZR
> > Peak F/B: 26.12dBPower Rating: 5kwGain: 9.23dBi @ 14.250MHz My Heroes
> > Wear Combat Boots!
> > _______________________________________________
> >
> >
> >
> > _______________________________________________
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> > TowerTalk@contesting.com
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>
> _______________________________________________
>
>
>
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