[Elecraft] KPA1500 210 (209) Firmware Bug?

[Eric Swartz - WA6HHQ, Elecraft]

Hi Bill,

We just caught this and it will be corrected in the next 1500 f/w release.

73,
Eric
/elecraft.com/

On 3/28/2019 9:40 PM, K8TE wrote:
> I brought my KPA1500 to Lubbock for the CQ WW WPX SSB Contest.  Like a good
> Elecraft owner, I checked for firmware updates using the KPA1500 Utility,
> downloaded what is actually version 210, and installed it.  Next, I checked
> the integration with the IC-7610, KPA1500, and antenna switch.  Much to my
> chagrin, the KPA1500 did not understand CI-V frequency information above
> 3800 KHz and throughout the 160m band!  My next thought was to panic, but
> good Air Force troubleshooting techniques came through.
>
> The antenna switch understood the radio, but not the amplifier.  It worked
> in the ARRL DX SSB Contest.  Loading an previous configuration did not
> change the symptom.  I downloaded version 207 and that fixed the problem!
>
> BTW, I downloaded version 210 three times and the same symptom occurred with
> each.  I tried all other HF bands without failure.  I suggest a quick look
> by someone who understands (wrote) the update.  As long as you stay below
> 3800 and don't use 160m, you won't experience this problem.  Of course, the
> KPA1500 frequency counter took over, but that is not "smooth" at full power
> and I don't like red LED's shining in my face.
>
> 73, and good luck in the contest!  Bill, K8TE
>
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