We believe this situation can be remediated in firmware. We're gathering information and digging into it.
73, Wayne N6kR On Dec 30, 2013, at 1:42 PM, Robert Redmon <[email protected]> wrote: > > FWIW, Although I don't have the KAT500, I have found my KPA500 to be very, > very sensitive to rf on the feedline, especially on 80 and 40 meters. I have > checked, rechecked everything (connectors, feedline, switches, etc.) and > tried adding various common mode filters, changing feedline length, etc. over > a period of 2 years now and still have not resolved the issue. I disassembled > my KPA500 and checked all the chassis grounds, making sure all was tight and > no paint was interfering with the rf integrity of the case. That did produce > some improvement, but the problem persists. In my case, the random swr spike > and (occasional) resulting fault always occur during the first microseconds > of a transmission. Though Elecraft support has worked with me to try to > resolve this issue, so far it has no yielded to our efforts. This does not > occur when I transmit into a dummy load, either in the shack or at the tower. > Though my experience isn't the same as is being discussed here, I suspect the root cause may be similar. > > Bob K5SM > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
