[Elecraft] K3--Too much ALC creates energy on opposite sideband?

[Wes]

It seems like often Jim and I disagree on things, but this time I'm in total 
agreement with him.

About a year after my speech processor paper was published in Ham Radio Magazine 
(http://k6mhe.com/n7ws/S_PROC.pdf) I worked a guy in the PNW, on ten meters. He 
was running a homebrew 2 watt radio and using a copy of my processor.  He was 
delighted with it and the fact that we were talking.  Frankly, it was the first 
time I'd heard one from the other end.  So he wanted to experiment.  He was 
about S2 but perfectly Q5.  When he turned the processor off he was gone. Not a 
peep.  It was amazing. Frankly, I was impressed.  I knew the theory but to see 
it in action was eyeopening.

Wes  N7WS

On 8/28/2019 2:18 PM, Jim Brown wrote:
> On 8/28/2019 1:46 PM, Michael Walker wrote:
>> I am not a big fan of compression and in today's world there really is no
>> requirement to have it on.  Ask anyone who has been DXPedition end of a
>> DXPedition and they will tell you to turn it off as it is actually harder
>> to understand you.
>
> This is NOT true if compression is well adjusted -- 10 dB of well adjusted 
> compression increases talk power by 10 dB, and setting TXEQ to remove speech 
> content below 400 Hz helps by another 3 dB. It is the abuse of compression 
> that reduces intelligibility. Compression has been universally used in all 
> broadcasting modes for at least 60 years, and for at least 40 years, for gain 
> reductions of 30 dB or more! The joke among FM broadcast engineers in the '70s 
> was "If the meter in the modulation monitor moves, the program director will 
> say we're not loud enough!"
>
> 73, Jim K9YC