Ops Shift Log: 12/14/2019, Day Shift 16:00 – 00:00 (08:00 - 16:00) Time - UTC (PT)

State of H1: Locked at NLN, Range 115.7Mpc

Intent Bit: Observing

Support: N/A

Incoming Operator: Niko

Shift Summary:  GRB-Short alert. All detectors in Observing. Did 15 minute stand down then back to Injection.

Lost lock at 18:58 (10:58) cause unknown. Recovered lock without operator intervention. There were two lock losses at INCREASE_POWER but no other real difficulties with relocking.

Saturday tour visitors are gathering

Last half of shift went well. Other than elevated microseism and some rather unpleasant weather, environmental conditions are good.     

 

 

Activity Log: Time - UTC (PT)

16:00 (08:00) Take over from Camilla

16:14 (08:14) GRB-Short Alert – E357332 – Spoke with LLO, Enter 15 minute stand down.

16:40 (08:40) Drop out of Observing – Reason unknown

16:41 (08:41) Reselect the Observing Intent Bit – and back into Observing

18:20 (10:20) Lock loss – Reason unknown

19:57 (11:57) Back to NLN

19:58 (11:58) Back in Observing – No SDF Diffs to resolve

22:00 (14:00) Two Saturday tour groups through the control room

00:00 (16:00) Turn over to Niko