[Elecraft] [K3] KPA500 # 370 operational

[Don Wilhelm]

Randy,

Under those conditions, your results are to be expected.  The KPA500 
shut down due to the REFL HI, so the K3 reverted to the "non-KPA500 
connected and ready" state.

73,
Don W3FPR

On 9/5/2011 9:01 PM, Randy Moore wrote:
> The KPA500 built for my friend (I'm very envious!) is working great!
> I'm only able to test it up to about 200w due to dummy load, ATU and
> balun limitations, but 2 QSOs tonight reported strong, clean signal!
>
> I have observed something, however.  I was using 5w from my K3, through
> the KPA, to my ancient MFJ-945 ATU.  I haven't used that ATU in quite a
> while, so my initial ATU adjustments caused a  "REFL HI" fault on the
> KPA500.  After that happened, my K3, went to 94w power setting (which is
> what I had it set to before this experiment).  Happened twice.
>
> K3 firmware 4.39/2.73.  KPA500 firmware 1.11.  K3 ATU in BYPASS.
>
> 73,
> Randy, KS4L
>