Topband: tuner balun

[stanley thimm]

I have the same tuner, and had the same problem on 160M. I added
a 500 pf, 20 kv doorknob capacitor across the 180 pf capacitor in
switch position 5 to solve my problem.

73, Stan VA3ST


On Thu, Jan 7, 2010 at 11:24 AM, Roy <royanjoy at ncn.net> wrote:
> Asked,
>
>
> "I have a WM. M. Nye 3000 Watt tuner and see that it uses a PI network and
> Tri-Filar Balun on the output. The Balun is in the circuit on coax, single
> wire and twin led output and is supposedly rated 1 - 30 mHz.
>
> I only use coax and have baluns at the antennas.
>
> The tuner gives me a 1:1 SWR with a pretty broad bandwidth on my 160
> inverted L ground plane with a DXE choke at the base. The problem I have is
> I cannot get the SWR below 1.5 - 2 from 1800 to 1810 and I want to try some
> RTTY.
>
> I hoping to solve the problem without going on the roof or taking the
> antenna down.
>
> Your thoughts on deleting/keeping the balun would be appreciated."
>
>
>
>
> Try adding a (rolled up) section of coax in the shack to the feedline. If
> luck is on your side, it could do the trick -- or make things woss.
>
> 73,   Roy     K6XK
>
>
>
>
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