[Elecraft] KPA500 on 10Meters

[Rick NK7I]

Did the KPA500 show an asterisk (*) when key down?  If not, it's not 
seeing the PTT actions (key out).

If the KAT500 is content with the match, you'll only hear one fast 
kerchunk of the relays (test, happy, shaddup).  If it's not trying, it 
may not be seeing the PTT and/or RF.  (Has the K3 transmitter been 
calibrated lately?)

Reseat all the cables and verify the settings in the KAT500 for 10 meter 
operation (antenna choice); over time some minor corrosion can appear.

And make sure that the tuning output level of the K3 is set at 10-25 
watts (and shows output too).  Mine was set at 10 watts and consistently 
worked (now I use a K4, KPA1500 and a much better antenna, no tuner needed).

If CW, was VOX on?

GL,
Rick NK7I


On 1/25/2022 2:21 PM, ncelarry at scicable.com wrote:
>
>
> I have a K3,KAT500 and KPA500. I had a station on 10 Meters this 
> afternoon that I wanted to reach.
>
> The KPA500 did not work on 10M as if it was in standby mode (it was 
> not), the KAT500 tuner didn't  tune either the K3 showed 1.0-1 5W all 
> across the 10m band but no relays clicks in the KAT500. I tested after 
> this happened and both work as expected on all other bands. It has 
> been years since I used 10M.  The firmware is current on all three units.
>
> Any thoughts or ideas.
>
> TIA
>
> Larry NA0F
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