You might try doing a TX Gain Calibration. It is in the K3 utility program. 73, Ken K3iU ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~` On 10/26/2011 1:08 PM, Peter Quick wrote: > I have fairly new K3& KPA500. They both are running the latest > software. When on CW I typically call a station with my RX filter set > at 2.8kHz. If there is an increase in noise level, or other adjacent > signals I will switch receive BW progressively from 2.8kHz to 1.8 then > 400Hz. When I then resume transmitting I notice that I will see what > appears to be a power spike on the wattmeter on the KPA500 from 500 to > 700 watts for one or two dits, then drop back down to 500 watts. The > fault light does not flicker or come on when this happens. This never > happens when switching to 250Hz. It consistently happens when going from > 2.8 to 1.8 and from 1.8 to 400. All filters are from Elecraft and are 8 > pole. > > Have others seen this and is it normal? > Is there a problem with this? > Is it an actual spike in power from the K3 resulting in a spike from the > amplifier? > > 73 Peter VE3SO > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > 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:Elecraft@mailman.qth.net
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