Because it's gotten quite windy outside, I've put the HAM3 CRS in-loop for RY. I don't expect this to cause any issues, but if the IMC starts showing a ~40 second oscillation, the CRS is a likely culprit. Doing a " caput H1:ISI-HAM3_BLND_RY_NEXT_CHAN 4 " in a terminal should revert HAM3 to nominal if there are any issues. Also since this is not a state set by any of the nominal guardians, any environment transion from SEI_ENV will also revert this.
Because people off site might be curious about what environmental reason made me want to turn the CRS on.