[Elecraft] K3 variable power output

[Bob Towers]

I'm running firmware 2.57 and I've recently noticed this...

An odd effect with the output power: it builds up from 5W to the 
"dialled in" power over the course of about 5 QSOs after I  change 
bands. If I stay in a band and increase the power from, say, 50 to 70 
watts, the output immediately drops to around 5W and then increases to 
70W in the next 5 or so QSOs. If I drop the power, the same thing happens.

I originally thought it might have been heating up - or something - of 
the the new balun on my Windom antenna, but it does it with a dummy load 
as well.

Any help would be appreciated.

73

Bob MM0RKT
K2 #5339
K3 #1456