Over the past six months my KAT500 autotune function has deteriorated to the point where I am getting frustrated. The KAT tuner is connected to a G5RV via 75' of RG-8 coax and is fed from a KPA-500 which is fed from a Kenwood TS480. I switch between between barefoot and amplified transmissions. Upon application of a 40 watt tune, the tuner appears to find a suitable solution but when the power is raised to over 100W, the amplifier faults to a high SWR, some bands, but not always repeatable. The antenna and feedline have been inspected and all OK. If I change bands sometimes it works at higher powers and sometimes not. Other times it cannot find a solution on some bands and other bands are OK, low power or amplified. If I cycle the power to the KAT500, it is OK for a while and then it has trouble again. The problem appears intermittent. Wondering if anyone has had this same problem. Thanks de dave WB7ELY ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net
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