Sorry, I probably missed some previous discussion, but I too have LDG auto
tuners and one of them needed more than 5W to operate it (In fact that unit
is dead at the moment, I changed the microprocessor and all was OK until I
left it on the shelf for a few months and now it doesn't work anymore).
However, I would have thought that the one designed to be used with the
FT-817 should work with the KX3 as that Yaesu model is a 5W output rig as
well. I can't say for certain, as I've never used a Z-11, but it would seem
logical. Unless the Z-11 interfaces to the FT-817 via command lines other
than just RF output?
That can be a problem I know, as I also have an LDG KT-100 which I sometimes
use with my Kenwood TS-2000X and that uses control lines from the Kenwood to
get information that it needs in order to operate correctly.
To be frank, I've not had much luck with auto tuners. They either seem to
just be designed to match out the slight discrepancy between "50 ohm"
outputs and supposedly resonant antennas, or they give up the ghost when you
upgrade them (no offence meant to Elecraft, I've not used their tuners. In
fact I decided to avoid using an intenal tuner again after recent
experiences). Even well known designs have their limitations. I have
Z-Matches from various manufacturers, L and T designs and various other
stuff in storage here that I've tried and found wanting for various reasons.
Some seem to be the ultimate dummy load - 50 ohm resistive input but little
real output. Again, I am not talking about any Elecraft designs here, but
if you look around the literature and dig under the hype, you begin to
wonder what is really going on.
Dave (G0DJA)
----- Original Message -----
From: "Julie Royster" Sent: Sunday, October 13, 2013 5:01 PM
Subject: [Elecraft] auto-tuner needs more radio output to tune
The LDG tech support folks say that a 5-watt KX3 output is not enough to
trigger tuning by their product.
We will eventually have the Elecraft tuner for KX3 when it ships, but for
now what selection of modes & power etc on KX3 would give me the
highest-wattage signal for the autotuner? If I understand it correctly,
PSK
and CW are limited to 5 watts by the KX3, right?
THANKS in advance!
Julie KT4JR
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