HAM1 to ASC feed-forward off to gather training data:
from 2023-04-23 08:43:42 PDT 1366299840
to lock loss at 2023-04-23 08:59:54 PDT 1366300812
New filters uploaded to all filter banks with names FF{X,Z,RX,RY}0423 and engaged. It doesn't look like SDF revert changes them back
Since the new HAM1 FF were tuned with the IFO 10 hours into lock, it's not optimal at the beggining. The plot below shows that the subtraction of HAM1 noise from CHARD_P improves with time, as the IFO thermalize