That should actually about 25% carrier. 125-150 watts carrier - 500-600w PEP AM. Shouldn't be any problem for the KPA-500. Presuming one doesn't make an hour long old buzzard transmission.
Sent from my iPhone On Jul 30, 2011, at 2:24 PM, Don Wilhelm <[email protected]> wrote: > Phil, > > AM with its 50% power carrier and sidebands that change in amplitude > should present a less harsh situation than RTTY which is 100% duty > cycle. There have been reports of running RTTY for an extended time > with no harm. But the specification says 500 watts with 10 minutes key > down and 5 minutes standby. It should do at least that well with AM. > > The KPA500 has temperature alarms should it get too hot, so it should > "take care of itself". > > 73, > Don W3FPR > > On 7/30/2011 2:49 PM, Phil LaMarche wrote: >> When running the KPA500 on AM, it there any time limit before unkeying? >> While operating, the fan comes on and then it kicks into another speed. >> >> >> >> Thanks >> >> > ______________________________________________________________ > 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
