My antenna is a TA-33-M-WARC. It's flat around 14.150, but goes up fast as you head toward .350.

I have an FT-950 and FTDX-3000, and both need increased drive to get me to 500 watts. More concerned about the fault at 1.4:1. Although the two could be related. Anyway, the auto tuner handles it. Looks like .28 uH and 62 pf switched in. I need to check the load with my analyzer.

73,
Joe ( AJ8MH-Radio )

On 12/18/2016 10:27 AM, [email protected] wrote:
I think requiring a different drive level is normal for most amplifiers.
The K3S is the only transceiver that I have owned where the output can be
set differently for each band, which is wonderful. My KPA-500 is pretty
tolerant of SWR 2:1 or less however that may depend on the load type.  What
is your 20m antenna?

John KK9A



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