Ops Shift Log: 04/08/2019, Day Shift 15:00 – 23:00 (08:00 - 16:00) Time - UTC (PT)

State of H1: IFO is locked in NLN.

Intent Bit: Observing

Support: Nutsinee

Incoming Operator: TJ

Shift Summary: There was one out of Observing to due to Squeezer problem. Used the change of intent bit to damp ETM-Y Mode2. There was one lock loss for a little over an hour. Recovery was relative easy. Went back into Observing after Nutsinee addressed another Squeezer problem.

We are locked and Observing with a range of 100.2Mpc.     

 

Activity Log: Time - UTC (PT)

15:00 (08:00) Take over from Jim

15:41 (08:41) Drop out of Observing due to ongoing Squeezer problem

15:42 (08:42) Switch to DAMPING_ON_SIMPLE and apply -2.0 gain to ETM-Y Mode2

15:43 (08:43) Switch back to DAMPING_ON_DC

15:44 (08:44) Back into Observing

16:30 (09:30) Peter – Going into the Optics Lab

18:03 (11:03) Betsy, Nichole, Travis – Going to Mid-Y for 3IFO inventory

18:50 (11:50) Betsy, Nichole, Travis – Back from Mid-Y

18:52 (11:52) Peter – Out of the Optics Lab

18:59 (11:59) Lockloss – 5 seconds after “LSC Servo Board Split Voltage High” message

19:24 (12:24) Reporter on site – Amber to escort to control room

19:45 (12:45) Amber & Reporter – Out of the control room

19:52 (12:52) Travis – Going to Mid-Y to Label 3IFO stuff

20:03 (13:03) Kyle – Going to Mid-Y

20:05 (13:05) Travis – Back from Mid-Y

20:08 (13:08) Relocked at NLN

20:30 (13:30) Back to Observing after Nutsinee fixed problem with Squeezer

20:45 (13:45) Peter – Going into the Optics lab

21:47 (14:47) Betsy & Nichole – Going to Mid-X

21:48 (14:48) Kyle – Back from Mid-Y

22:48 (15:48) Chandra – Going to Mid-X

23:00 (16:00) Turn over to TJ