Ok! It's in the "to do" list! 73, Rudolf
Alexandr Kobranov wrote: > Absolutely! > One thing is to have uniformity of power out (this is what we need as > a final), the other is to know levels of AF out per tone from the > sound card and then characteristic of the rest of line. > > Let me know your results, my setting was very fast and without any > remarks so no table of tone/af level/power out level per WSJTx mode > done yet. Will try in some spare time and we can compare :-) > > 73! > L. -dst- > > hb9ari napsal(a): >> 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 >> > ______________________________________________________________ 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
