<> Doesn't an SGC fit this bill? I use an SG237 to tune a portable inverted
V
<> fed by 300ohm (or thereabouts) ribbon - arms cut at 20m, on a 10m
telescopic
<> pole and it tunes up on 80m - 10m a treat.
Yes, the SG237 can work. Lots of people seem to like them, and some people
report frustration. Note that SGC only rates the 237 at 40 watts
continuous. I'm sure there is some degree of safety margin in the spec, but
I personally would not feel too comfortable running 100W CW with it for any
significant amount of time during a contest, especially since the tune
algorithm does its thing at full power unless you manually turn down your
power for tuning. ICOM, in my opinion, has a better idea with the AH-4,
with automatic tune power reduction (with ICOM rig) and termination of the
transmitter into a matched load during tuning. I use one now with my
IC-7000 and a ladderline fed non-resonant doublet. Alas, it is not
plug-and-play with Elecraft or other rigs.
Given Elecraft's knowledge and success with their other tuners (I loved the
internal tuner in my K2), I think they could do a bang up world-class job
with a remote tuner with automatic interface with the K3. There (relatively
soon) will be thousands of K3s out there waiting for tuning solutions. I
will be first in line to purchase a remote tuner when Elecraft announces it.
And I'm sure they will find a way to provide excellent performance with
balanced loads such as ladderline fed doublets, loops, etc.
73
... Craig AC0DS
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