Yes, I believe this is mainly a problem for people with the KXAT100 ATU. If you don't have the ATU, then from what I've seen it will be unlikely to affect you.
73, Matt VK2RQ > On 18 May 2014, at 6:57 am, Bernie Wills <[email protected]> wrote: > > Hi Matt, > > I've had the amp here for just over a week, and installed firmware 1.28 after > I finished assembly. I do not have the built-in ATU and am running the amp > through a Kenwood AT-130 manual tuner. At this stage, I've only used the > tuner 'straight through' because the antenna is resonant at the low end of > 40m which is the only band I've used on-air. > > I've been driving the amp with an Argonaut 539 set on 3 watts output, which > yields about 80W from the amp. The only connection between the 539 and the > amp is a home-made keying line (coax). I've had one CW contact and one SSB > contact with nothing odd observed. The SSB contact was last night for about > 20 minutes which was to check if I had the radio and mic behaving, and the > report to me was all good. > > After assembly last week, I did extensive checking of amp output into a dummy > load at various input power levels, up to 7 watts with the attenuator in and > out of circuit. Again, nothing unusual. > > Could it be an ATU-related problem? > > Cheers, > Bernie. VK2WJ. > > Message: 24 > Date: Sat, 17 May 2014 14:06:56 +1000 > From: Matt VK2RQ <[email protected]> > To: Ron Cowherd <[email protected]> > Cc: Elecraft Reflector <[email protected]> > Subject: Re: [Elecraft] KXPA100 f/w 1.28 now production released > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > Elecraft is right on top of it; I'm also confident we'll have a solution > fairly soon. > > 73, > Matt VK2RQ > > > On 17 May 2014, at 1:52 pm, Ron Cowherd <[email protected]> wrote: > > > > Yes, I have also had similar problems with the KXPA100 (SN#0876)and have > > already composed and sent a letter to support. The letter is much too > > detailed to reproduce here but I also suspected a firmware glitch. My unit > > was working flawlessly until the upgrade. I'm sure the problem will soon > > be solved. > > > > 73, Ron K4GYD > > > > Sent from my iPad > > > >> On May 16, 2014, at 6:56 PM, Matt VK2RQ <[email protected]> wrote: > >> > >> How are people finding this new firmware? > > [... remainder deleted by VK2WJ, a digest recipient...] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
