Have you tried adjusting TXG VCE? With latest firmware, a setting of -2dB puts my PSK31 power right where it belongs for a given requested power out. There's then no need to ride the audio input level, which is a bad idea given the way the K3 ALC works.
Bob NW8L On Sun, Dec 14, 2008 at 11:44 AM, Richard Ferch <[email protected]> wrote: > Steve Ward said: > >> I just applied the latest beta firmware as I have done many times >> before, and it looks like this time my power calibration went out the >> window. I'm putting out about 70w on PSK31 when I dialed in 45. >> >> Just wanted to give folks a heads-up to watch their power output when >> they start operating under new firmware, it might be time to re-calibrate! > > It's more than just the power calibration. Even after calibrating power and > setting the requested power below 50W, with either 2.73/1.98 or 2.72/1.98 > the power output on PSK31 (in DATA A) mode often exceeds the requested > power, which results in splatter. I have been having to constantly ride the > LINE IN and/or sound card output level controls in this weekend's PSK > contest to keep the power below 50W and PSK signal quality acceptable; I > have now switched back to 2.67/1.96 for the remainder of the contest. > > 73, > Rich VE3KI > K3 #1595 > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
