Don't set to auto tune. Use semi or manual whatever your ATU calls it so the it doesn't retune on its own.
Sent from my iPhone ...nr4c. bill > On Nov 6, 2017, at 8:52 PM, Ken K6MR <k...@outlook.com> wrote: > > Must be some magic going on in the AH-4. It specifies “Tuning power > required: 5-15 watts”. Would be interesting to know where the other 14.7 > watts is going. I’m pretty sure the KAT-500 doesn’t have anything like that. > > The other thing you can do with the KAT-500 is specify when a tune sequence > is initiated. I set mine for 1.9:1. If the SWR is less than that nothing > happens. Allows for some variance in the antennas due to weather conditions. > You can still initiate a tune if you want to manually, but it won’t do it on > its own. The amps are happy below that so no reason to tune. > > Ken K6MR > > ________________________________ > From: E T <etks...@gmail.com> > Sent: Monday, November 6, 2017 5:28:16 PM > To: Ken K6MR > Cc: elecraft@mailman.qth.net > Subject: Re: [Elecraft] KAT500 actual radiated power during tuning > > I know the training process, have done it many times on all my tuners, the > KX3 and KX2 built-in, KXPA100, also an MFJ-993B and KAT500. And no, I > currently do not have the K3 and the cables to transmit band switching. But > even after training I find that all of these will occasionally perform a full > tuning cycle even when close to a programmed frequency. > > So of course given that my antenna is stable I *shouldn’t* need to do a full > tune yet there it is. The tuner behavior is out of my control if it decides > to perform a full cycle when I press the tune button after a band or range > switch. > > My point is that the AH-4 specs say: > > - 0.3 W RADIATED POWER > - Radiated power during tuning is less than 0.3 W, minimizing interference > to other stations. > > I’m just asking if the KAT500 has similar capabilities. > > Erik W1QED ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com
