[ARC5] T-19 Real World Antenna Matching Problem

J. Forster jfor at quikus.com
Sat Dec 29 17:22:43 EST 2012


What do you mean by 'bypassing the tuner'? A direct connection to your
antenna's coax through the 200 pF cap?

-John

==============

> As reported earlier,  I’m getting around 25 to 30 watts out of my T-19
> into
> a dummy load on 80M using about 200 pF of series capacitance.
>
>
>
> My 80M antenna is an HF-2V vertical, and I use a Heathkit SA-2060A tuner
> to
> get the SWR from 2.5:1 to under 1.3:1.
>
>
>
> My plan was to set up the tuner for a good 50 ohm match, then connect the
> T-19 via the 200 pF capacitor.
>
>
>
> Nada.  Zero power out (well, maybe a few watts) and the inductance tuning
> has no effect.
>
>
>
> The T-19 should be seeing the same load from the tuner or the dummy load,
> but is acting completely different.
>
>
>
> I’ve tried bypassing the tuner and that doesn’t work either.
>
>
>
> Ideas?
>
>
>
> Thanks
>
>
>
> Mark K3MSB
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