Hi Gernot and Ralf, I see here the same issue! I wrote about it last year, but I got no response. I have a second complain with this ATU: it doesn`t tune in rx. My Icom 7600 does it better: it remembers the antenna alignment and sets it up while changing the frequency.
73 de Uwe, DL4AC www.dl4ac.de 2013/5/30 Ralf Wilhelm <r...@super-deutschland.net> > Hi Gernot, > > your ATU problem looks similar to mine, maybe you changed antennas and > some settings for a different antenna are still in the tuner? If this is > the case, you probably have to clear the ATU's memories. > > Maybe you want to see this discussion: > http://elecraft.365791.n2.nabble.com/KX3-antenna-tuner-intermittend-operation-td7573335.html > > > > Vy 73, > > Ralf, DL6OAP > > Am 29.05.2013 um 23:27 schrieb g...@gmx.net: > > > Hello everybody, > > I used the KX3 with FW 1.47/DSP 1.19 during WPX CW quite a lot. About > 500 Qs on the KX3, 400Qs using the K2. > > The KX3 features which outperform the K2 (and many other radios likewise > :-) are IMHO > > - no noise clicks when changing filter bandwidth is a great plus to > avoid missing a single dot of the call/report > > - dual rx helps if you got stuck on one station (S&P): turn on dual > receive, press A->B, and tune to the next one while listening to the > current station, if finished press A/B and your next station is served > > - the stereo sound is less exhausting to listen to (at least to my ears) > > - the wheel tuning rate is just perfect. The K2 is a little bit odd in > this case (I have found to setting which I feel really comfortable with) > > > > On the down side of the KX3, there is still the nasty "ATU off" problem. > I mentioned this before and I thought it could be my antenna. But it isnt - > the K2 was completely happy with the SWR at all times during the contest. > The effect seems to be connected to timing, if it happens the ATU always > turns off at the end of the transmission. It then turns on again, but > apparently with a slightly different setting because you have to press ATU > TUNE again to get the same receive noise level. Occasionally, it also > reduced power to 3 Watts automatically after ATU off. You have to recover > to power level to 5W manually. > > The K2 ATU is never complaining - it just works. Maybe the KX3's > protection mechanisms are a bit too "sharp"? > > > > Another observation are audible artifacts while tuning over the band > when using narrow filters (FL2, 3). They are a bit distracting. You think > there is a station, but there is none. You have to tune further to find the > real signal. Note this happens only on very strong stations in combination > with filters narrower than ~700 Hz. > > > > My bottom line: KX3 is great even for big contests. The K2 is still the > more reliable transmitter at the moment. > > But I'm happy that I bought one and hope it evolves further. > > > > Thanks Elecraft and 73 > > > > Gernot, DF5RF > > > > ______________________________________________________________ > > 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
