The C3 series from Force 12 can be tuned on 17 and 12 with patterns. One of
them is reversed if I recall correctly, but useable. But those antennas
don't use traps. I would be wary of tuning trap tribanders on 17/12.
On Wed, Sep 23, 2009 at 3:15 PM, aa4nn <aa4nn@earthlink.net> wrote:
> On 17M you are close to 14mhz and 21 mhz,
> and on 12M you are close to 21mhz and 28mhz.
> I wouldn't even try a tuner on such a tribander.
> de Joe, aa4nn
> Lake Wylie, SC
>
> ----- Original Message -----
> From: "John Geiger" <aa5jg@yahoo.com>
> To: <dx-is@yahoogroups.com>; <antennaware@contesting.com>;
> <towertalk@contesting.com>
> Sent: Wednesday, September 23, 2009 12:10 PM
> Subject: [Antennaware] Tribanders on 12m/17m
>
>
> > What is the performance of your typical 20/15/10m tribander like on 12m
> > and 17m when you run it on those bands with a tuner? Does it show gain
> or
> > loss relative to a dipole on those bands? Is the radiation pattern
> fairly
> > skewed?
> >
> > 73s John AA5JG
> >
> >
> >
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