[Elecraft] Odd Power Control on 30M/K-3 and KPA-1500

[W3FPR]

Pete,

That is normally called 'power hunting'.  Its usual cause is not driving 
the K3 audio to an adequate level.  You should have 4 bars solid on the 
ALC bargraph with the 5th bar flickering.

73,
Don W3FPR

On 7/26/2024 5:21 PM, Pete Smith N4ZR wrote:
> I wonder if anyone else has seen this?  when I transmit on 30M, I turn 
> my K-3's power down so as to only put out 200 watts.  Each time I 
> transmit (on FT8), the amp's output power starts quite low, rises 
> second by second to around 270 watts and then drops back to the 
> desired 200 watts (+/-).  Later in the same operating session, output 
> power from the KPA-1500 varies between 175 and 225 watts three or four 
> times during a single transmission.
>