jeffrey.bartlett@LIGO.ORG - posted 00:04, Monday 24 April 2017 (35738)
Ops Evening Shift Summary
Ops Shift Log: 04/23/2017, Evening Shift 23:00 – 07:00 (08:00 - 16:00) Time - UTC (PT)
State of H1: Locked at NLN, 30.8W, Range 69.4Mpc
Intent Bit: Observing
Support: N/A
Incoming Operator: Corey
Shift Summary: Run A2L check script. Pitch OK, Yaw a bit rung up. LO being down dropped out of Observing to run the A2L repair script. Unknown Lockloss towards end of shift. After tweaking the BS, relocked with little difficulty. Damped PI Mode-27 & Mode-28. Accepted SFD Diff for Violin Mode 4.7KHz (gain at 0.02), which also damped the mode. Back to Observing.
Activity Log: Time - UTC (PT)
23:00 (16:00) Take over from TJ
23:23 (16:23) Drop out of Observing to run A2L repair script
23:28 (16:28) Back into Observing
06:04 (23:04) Lockloss –
06:40 (23:40) Damp PI Mode-28
06:40 (23:40) Damp PI Mode-27
06:42 (23:42) Back in Observing
06:43 (23:43) Damp PI Mode-27
06:43 (23:43) Damp PI Mode-28
06:46 (23:46) Damp PI Mode-27
07:00 (00:00) Turn over to Corey