[Elecraft] KAT500 actual radiated power during tuning

[Fred Jensen]

Erik, I think your question has been answered, several times ... as I 
said once, and will tell you once more, my KAT put 25 W into the antenna 
connector when it had finished tuning.  While it was tuning, the power 
varied.  Note:  25 W in with it tuned yielded 25 W out [less losses my 
power measuring equipment could not discern].

The memory segments vary by band.  They're in my station notebook which 
I'm not going to dig out now, but they increase in BW from 160 [10 KHz, 
maybe 20] to 100 KHz at 10 meters.  6 may be 200 KHz.  Once tuned in the 
center of each segment, I left my KAT500 in MAN and it never retuned of 
course.  Many factors would affect my antennas and when the SWR climbed 
between summer and winter, I just let it retune.

I have no idea what's in an AH-4 or if it actually does what you say.  I 
do know what my KAT500 did.

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 11/6/2017 5:28 PM, E T wrote:
> 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
>