Hi Barry, for instance my KPA500 works perfect at 600 watts, swr does not move. My DL is too small, i will need to get a bigger one.
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I have the previous FW, i will update it.
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Issue exists only in CW, near the end of band, with swr 1.3 max with 500w or more, auto tuner start finding solutions. Ill try with it bypassed.
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73,
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Philip
CE4PS
Philip Smith