Scott,

Get a good dummy load capable of 50 watts up through 6 meters and use K3 Utility to run the TX Gain Calibration routine on that K3 (without the amplifier connected) That may straighten out the other bands - it is at least worth a try and will be the first thing support will ask you to do.

73,
Don W3FPR

On 12/2/2018 11:44 AM, K9MA wrote:
While my K3 seems to have some issues on other bands, it performed flawlessly this weekend on 160. On other bands, I've noticed a drop in output as the temperature rose, and the ATU doesn't always keep the SWR that low.
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