[Elecraft] Auto ATU for K3 + Amplifier

AD6XY - Mike m.j.willis at rl.ac.uk
Sat Mar 15 08:49:39 EST 2008



Thanks for the responses so far. I am currently using a Z11 auto tuner at
10W.

Can anyone help me with a configuration setting? What I would like to happen
is for something useful to happen when I press the ATU Tune button on the
K3. What it should do is provide a low power signal and toggle a tune line.
So far all I can get it to do it tell me the KAT3 is not installed, which I
know already.

Having lived with my K3 for almost 24 hours, I find one of the major design
flaws in the K3 is the lack of antenna outputs for those of us who don't
need an ATU built in. for HF only it is understandable, but it is crazy
considering the rig does 6m.  The ANT button appears redundant, I am sure we
could have a PCB with two or 3 RF connectors and a relay or two. I am not
sure I really like the way the SO239 is connected - but I suppose it is only
HF... Operating without the right side panel (don't ask) the wire loop
certainly picks up lots of local noise from my PC and monitor. 

Mike
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