More Whitening Filter changes to reduce the pole frequency and thus high frequency distortion (LHO alog 20393).
CAL-CS_DARM_DELTAL_RESIDUAL: zpk ([1 1],[500,500],1)
changed to zpk ([0.1 0.1],[100,100],1)
CAL-DARM_ERR zpk ([10 10],[100,1000],1)
changed to zpk ([1 1],[200,200],1)
CAL-DARM_CTRL : zpk ([5 5],[500,500],1)
changed to zpk ([1 1],[200,200],1)
Attached plot shows the signal with old filter and the new filter for comparison.