Sightly off topic, but is there some specific way you can introduce splatter? I don't want to be doing that and I don't use any kind of compression, which sounds like it can be part of the cause. I also tend to watch my ALC level when I speak and back off the mike when I see the level go past the bar.
Anything else I can be doing?
Speech processing will not make bandwidth wide. Processing actually will make the signal narrower, if done correctly. Without processing and ALC , radios and the bands would be a real mess.
Getting beyond ALC system ability to limit power can make the signal wide, but the audio is so nasty I cannot understand why anyone would do that.
A big time contestor in this area had 100 watt radios, and a radio service up in Atlanta turned the radios up to about 30-50% more than rated power. This of course makes the radios very nasty.
Mistuning an amplifier, or overdriving it, does the same.
Many people tune amplifiers incorrectly.