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Re: Hi SWR on 40 meters


Kyle N4NSS
 

WOW !?? That's great.....

Bob Lancon wrote:
Kyle,
The 5 turns did the trick and it is tuning great now, thanks for
your help!
N5DMT
Bob

--- In YaesuTuner@..., Kyle N4NSS wrote:
>
> Bob,
>?? You could try two things:
>?? 1.? Put about five turns of coax about 5 inches in diameter at
the base of the antenna.
>?? 2.? Put a few turns ( 10 X 1" ) of #14 gage wire at the base of
the antenna.
>???
>?? I'm just guessing here but, good luck!
>
> Bob Lancon wrote:
>?? Kyle, thanks for the response.? I did play with it a little last
night and noticed that it does tune from 7.050 to 7.200 but any
higher will produce high SWR....? I will try adding the Ground to
the base of the whip and see if this helps...? When you say a few
> turns of coil at the base of the antenna are you talking about
coiling the coax and making a choke?? Again, thanks for the help.
> N5DMT
> Bob
> --- In YaesuTuner@..., Kyle N4NSS wrote:
> >
> > The Ham Stick has inductance.? Add a few turns of coil at the
base
> of the antenna.
> >?? OR improve the bumper to chassis ground. or Both.
> >???
> >?? Make sure the tuner is close to the base of the antenna.
> >??
> >
> > Bob Lancon wrote:
> >?? Just installed the Ft-857D, FC-40, Hustler bumper strap mount
> and 102"
> > SS Whip in my truck. It works on all bands but 40 meters (high
> SWR) I
> > have tried extra lenght of coax added to the supplied coax. I
have
> > added Ground cable from tuner to frame and still no luck.... I
did
> put
> > a 40 meter Ham Stick on it and it tuned it no problem. Any
> suggestions
> > would be appreciated.
> > Thanks
> > Bob?
> >
> >
> >
> >
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Kyle W. Jeske??? N4NSS?@?arrl dot net
Licensed since 1966.
Level III Certified ARECC, Skywarn Advanced
FISTS: #9760??Grid: EL87qu 27.843927N ??? -82.642812W??
Backpacker, QRP, Antennas, and Stealth?Antennas
My site:
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