Hi Lexa, Very good info, i will do some tests this week-end.
At the same time, a verification of the audio level response (WSJT/Sound card) should be a good precaution... 73 QRO de Rudolf, HB9ARI Alexandr Kobranov wrote: > Hi Markus, > you prabably know but maybe good for the others trying WSJT/WSPR: > You can try very simply power levels per tone by using WSJT menu Setup > - Generate messages for test tones. > Then you have @A - @D and @1000 and @2000 in TX1 - TX6 windows > You can test each tone separately and try to adjust level of TX EQ to > obtain the best distribution. > Yes, there are differencies, very big sometimes. > Maybe later when TX EQ will be -per mode- saved and (if any chance) > user selected frq of setting point possible there will be better game > with it. > > Good luck, > 73! > Lexa, ok1dst > K3/10 #727 > > > > hb9brj napsal(a): > >> hb9ari wrote: >> >>> I work essentially with JT65A mode; as this mode >>> is a single tone mode, i've set the modulation >>> level just before full ALC and power to 50W >>> (for DX only...). At the beginning of a >>> JT65A transmit sequence, the power start >>> at ~ 25W and go up to ~ 48W in 3 to 5 sec. >>> >>> >> I'm active in WSPR mode, which is a single tone as well. >> Mode = "DATA A", ALC = 4 bars, PWR = 5W. >> An external wattmeter shows an absolutely steady power throughout the entire >> 2-minute TX cycle. >> The bottom cover just underneath the LPA gets pretty hot, but at 5W the KPA3 >> is bypassed. >> Will run a test at higher power to see whether or not it makes a difference. >> >> 73, Markus HB9BRJ >> > ______________________________________________________________ > 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 This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
