I did a few noise injections in the LSC loops, while at NLN. Times, noise shapes and amplitude below for reference. DTT files attached. More analysis will follow.

DARM noise (FF on) butter("BandPass",4,10,200)gain(1e-02)zpk([40;40;40;40],[1;1;1;1],1,"n")ellip("LowPass",4,1,40,200)resgain(30,1.5,15)resgain(10,2,10) ampl 1.0

     1224787744 Oct 28 2018 18:48:46 UTC
     1224787873 Oct 28 2018 18:50:55 UTC

DARM noise (FF off) butter("BandPass",4,10,200)gain(1e-02)zpk([40;40;40;40],[1;1;1;1],1,"n")ellip("LowPass",4,1,40,200)resgain(30,1.5,15)resgain(10,2,10) ampl 1.0

     1224788127 Oct 28 2018 18:55:09 UTC
     1224788248 Oct 28 2018 18:57:10 UTC

MICH noise (FF off) butter("BandPass",4,3,200)ellip("LowPass",4,1,40,200)zpk([20;20],[5;5],1,"n")gain(10) ampl. 3.0

     1224788592 Oct 28 2018 19:02:54 UTC
     1224788717 Oct 28 2018 19:04:59 UTC

SRCL noise (FF off) butter("BandPass",4,5,300)zpk([],[50],1,"n") ampl 5

     1224788964 Oct 28 2018 19:09:06 UTC
     1224789085 Oct 28 2018 19:11:07 UTC

PRCL noise (FF off)  butter("BandPass",4,5,200)ellip("LowPass",4,1,40,300) ampl 3

     1224789375 Oct 28 2018 19:15:57 UTC
     1224789496 Oct 28 2018 19:17:58 UTC