Ops Shift Log: 05/26/2019, Owl Shift 07:00 – 15:00 (00:00 - 08:00) Time - UTC (PT)

State of H1: Locked at NLN

Intent Bit: Observing

Support: N/A

Incoming Operator: Cheryl

Shift Summary: Lock loss – mag 5.8 EQ near Homer Alaska. After seismic activity rang down, had to touch up the BS and PRM (in Yaw). Several lock loss at RESONANCE. Last one included trip of BS ISI. Could not find any assistance in documentation. Decided to try an Initial Alignment. This helped, as was able to relock the IFO. Cleared SUS TMS-X SDF Diff and went back into Observing.    

 

IFO is locked at NLN and Observing with a range of 109.6Mpc. With the dawn the wind has spiked up into the 20s mph. No other issues or problems to report.

 

Activity Log: Time - UTC (PT)

07:00 (00:00) Take over from Corey

07:01 (00:01) GRB Alert – Confirm with LLO

09:56 (02:56) Switch SEI_CONF to Earthquake for mag 5.8 near Homer Ak

09:57 (02:57) Lock loss – Earthquake or switch to EQ mode

10:25 (03:25) Switch SEI_CONF back to WINDY

11:41 (04:41) Start Initial Alignment

12:06 (05:06) Finished Initial Alignment

12:07 (05:07) Retry locking

13:07 (06:07) Relocked at NLN

13:08 (06:08) Clear SDF and back into Observing

15:00 (08:00) Turn over to Cheryl