I have made alterations to the signal path for the 80.3 kHz PI ("MODE28").

In the PLL block I have made all the requisite changes to exactly replicate my LLO implementation.
This should get applied to all PLLs, but in the interest of not making changes to signal paths that LHO currectly depends on to stay locked, I don't want to change other MODE's feedback settings.

I have altered the H1:SUS-ETMX_PI_UPCONV_UC3_SIG bank's bandpass filter, to steeply roll off.
This is motivated by the work in this LLO aLog. I have implemented the exact same filters here.
Again, I only make this change in the signal flow of MODE28, so as not to perturb other already functioning, and depended upon, systems.