Ops Shift Log: 07/31/2017, Day Shift 15:00 – 23:00 (08:00 - 16:00) Time - UTC (PT)

State of H1: Unlocked

Intent Bit: Commissioning

Support: Jeff K., Sheila D.

Incoming Operator: Jim

 

Shift Summary: GRB Alert – Spoke to LLO. Both sites are observing. In one hour hold. A2L Pitch is OK; Yaw is very elevated. Will run the repair script at first opportunity.

Switch to Commissioning mode for noise investigation. Run A2L repair script

After lockloss this afternoon, found both End Station green lasers were off. Reset green lasers and back to relocking. Damped a couple of Violin modes. Back to NLN. Lost lock due to ringing up PI Mode-27. Could not get it to damp.

 

Activity Log: Time - UTC (PT)

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

17:00 (10:00) Restart CDS Overview on Video2

17:57 (10:57) Filiberto & Marc – Going down the X-Arm to power cycle power supply for PEM

18:02 (11:02) GRB Alert - Both site acknowledged

20:02 (13:02) Drop into Commissioning for Sheila’s noise investigation

20:04 (13:04) Run A2L repair script

20:11 (13:11) Lockloss – Commissioning

20:22 (13:22) Kyle – Going to Mid-X to crane Gas Calibration Cabinet – WP #7095

20:26 (13:26) Sheila & TVo – Going to End-s to restart green lasers.

21:34 (14:34) Kyle – Back from Mid-X

22:27 (15:27) Relocked at NLN - Commissioning

22:45 (15:45) Damp PI Mode-28

22:49 (15:49) Damp PI Mode-27

22:57 (15:57) Lockloss – PI Mode-27 ring up

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