the ground wire should be VERY short ... so put the
tuner near or AT the ground will be the best
try out to lenghten the antenna ..... try to put
your tuner nearer to ground
then the tuner has easier work
my tuner is the fc1000 and it tunes almost anything
to a low swr
with half or fullwave lenght it doesn?t work but
there is a capacitor on the output that can be added with a wire connection and
the tuner works with this lenght also
you can try to ad a capacitor parallel to tuner
output or a coil in series with the output
and then try to tune your wire with it
good luck
cu on the bands .... 73?s
dg9bfc
?
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----- Original Message -----
Sent: Sunday, December 21, 2008 4:32
PM
Subject: [YaesuTuner] Re: Coax and output
wire size + 80 meters
Thanks for the replies. The antenna starts off at the corner of my
fence
which is about 5' up from the ground. It then runs straight to
the top peak
of my house which is about 30'+ high. This run is about
65'. The wire
passes through a ceramic insulator then it comes down
to the left corner of
my house were it is looped in a ceramic
insulator. It then passes through
the wall to the tuner which is
inside the crawl space. The tail from the
insulator to the tuner is
about 14 inches long. I have buried a 4' long
piece of rebar into the
moist dirt of the crawl space. I attached a ground
rod lug and a
piece of 12 guage wire from the tuner to the lug. One
question I have
, does distance from ground rod to tuner matter? After some
testing
last night I confirmed again that I cannot tune 80 or 30 meters.
I
have also picked up rfi in one tv and the surround sound of another.
This was not a problem with my OCF. Hope this helps, I will
be
experimenting more today. Thanks again.
73
JR
>
Hi JR,
> You shouldn't have to do anything to the tuner. This tuner, or
more
> accurately, antenna coupler, is a great tuner when used
correctly
> (similar to Icom's AH-4. and SCG couplers).
> We need
more info on your antenna. You said you're have about 90'of
> wire, but
how is it set up, i.e. long wire, inverted L, etc.) and most
>
importantly, what are you using for a counterpoise?
> And the coax is
fine. The SWR from the tuner to your radio will
> (almost) always be
around 1.5 to 1 so loss should low, even with
> longer lengths.
>
I will also e-mail a PDF on antenna's from the SCG company. It's very
>
good reading. I use an AH-4 with a vertical loop, about 200' of wire.
>
Keep asking questions and we'll help. 73, Jeff/wb0m
>
