Hi Peter,

Setting the ALC for FT8 is different than other transceivers due to the way the 
K3 adjusts power.

You should adjust the slider to give four solid bars and the fifth flickering.  
You find the outputvwull be ver stable then. 

See you on the bands!
—-Paul AK1P 

Sent from my iPhone

> On Jul 20, 2023, at 5:18 PM, Pete Smith N4ZR <pete.n...@gmail.com> wrote:
> 
> I've recently started operating FT8, and on advice from other K3 users, have 
> been adjusting the power slider in WSJT-X to a level just short of or just 
> into the first flickers of ALC.  I did this because I was advised that 
> setting the slider for 4 or 5 bars of ALC generated junk in the FT8 passband. 
>  I am running the K3 in Data A mode
> 
> Since I did this, I've noticed strange (to me, anyway) behavior from my K3.  
> When WSJT-X starts an FT8 transmit cycle, after I have just switched to the 
> current band or changed the power slider in WSJT-X or the PWR control on my 
> K-3, the K3's power output starts essentially at zero and slowly ramps up 
> through 1- 1 1/2 FT8 transmit cycles.  Once it reaches the expected level, 
> subsequent transmissions stay at that level.
> 
> I've been told (not by Elecraft) that this behavior is a result of the K3's 
> firmware "hunting" for the right power level, but such a slow and repetitious 
> behavior doesn't fit with the rest of what I've come to expect from my K3.  
> It doesn't happen on CW or SSB either. So what's going on?
> 
> -- 
> 73, Pete N4ZR
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