I have a K-3 driving a KPA-1500, and have started seeing some strange
behavior. After I adjust the power level control on the K-3,. even a
little (like 33 to 31 watts), the driving power delivered to the
KPA-1500 starts much below the K-3's indication, and only gradually
increases to what would be expected at the K-3's power setting. This
behavior is apparent in CW, but is more dramatic in FT* using TXData,
where it can take several 12-second transmit intervals to reach full
power. Touch the K-3's power control even a little, and this cycle
starts over again at reduced power, gradually returning to full.
--
73, Pete N4ZR
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