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.