[Elecraft] ALC for Digi, One Last Check Please

Nr4c nr4c at widomaker.com
Tue Jun 25 16:10:57 EDT 2019


Reducing Windows output helps in most situations like this. 

Sent from my iPhone
...nr4c. bill


> On Jun 25, 2019, at 3:42 PM, Kevin, N4TT <kkinderen at gmail.com> wrote:
> 
> I've made a few PSK-31 contacts on the K3s and I've not gotten any bad
> reports. However, I'm still a little concerned about what I see for ALC.
> 
> 
> The video below (no audio) shows the ALC meter responding first to a "TUNE"
> command from fldigi. This sounds like a pure tone in the headphones but the
> ALC meter responds oddly, almost like it is pulsating. I expected ALC to
> pretty much be steady.
> 
> Next in the video is just clicking T/R in fldigi with no typing. It sounds
> as expected in the headphones (a trilling sound). The ALC response looks
> better but I can still see the pulsations in there. I expected to see 4
> bars solid and the 5th flashing.
> 
> https://photos.app.goo.gl/4AaLaVu1r8UDv5LT9
> 
> Am I reading too much into this? Is this how your K3s responds?
> 
> I'm using the K3s sound card. Level in Windows is -14.7 dB. Level in fldigi
> is -12.7 dB. The level control on the K3s is set for 18.
> 
> 73,
> Kev N4TT
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