[Elecraft] Help with troubleshooting KAT1

[Jason Artz]

Hello,

I have a new K1-4 that I built over the last couple
weeks and it seems to work fine.  It passed all its
tests.  Since I don't have an antenna, I went ahead
and built the KAT1 so that I could get on the air.  I
think I'm having a problem with it, but I am not sure
since I don't yet have an RF probe and can't do all of
the tests/calibrations.

The initial test worked - the KAT1 is communicating
with the K1 properly.

The SWR bridge adjustment, I believe, is where I'm
having a problem.  With the dummy load, my SWR in CLS
mode reads about r4.5 or so.  Adjusting C9 changes
voltage in a very narrow range (about 1.3-1.5v).  I
set it for the lowest voltage reading.  

I haven't done the power calibration yet, but if I try
tuning a wire antenna (in "tun" mode), I get a lot of
relay chattering, displayed power level fluctuation,
and eventual r9.9.   Same with the dummy load on all
bands.  All relays work - when I step through the
various L0, L1, etc., they click and I can hear a
difference in received noise level.

Will my problems be taken care of in the power
calibration step, or might I have something else going
on?

Thanks for your help,
Jason
AC6XA


		
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