Reports until 00:01, Thursday 23 March 2017
H1 General
jeffrey.bartlett@LIGO.ORG - posted 00:01, Thursday 23 March 2017 (35032)
Ops Evening Shift Summary
Ops Shift Log: 03/22/2017, Evening Shift 23:00 – 07:00 (16:00 - 00:00) Time - UTC (PT)
State of H1: Locked at NLN for 3 hours at 28.5W and variable range due to RF45 noise.       
Intent Bit: Observing
Support:
Incoming Operator: Jim
Shift Summary: Ran A2L DTT check – Pitch coherence is up to about 0.6 and Yaw is up to 0.8.
GRB alert – Both sites Observing, One hour stand-down.
Lockloss – Cause unknown. Tried relocking with no success. Ran initial alignment and relocked.
Back to Observing.
Shortly after relocking started to have issues with elevated RF45 noise, which is effecting range.
 
   Activity Log: Time - UTC (PT)
23:00 (16:00) Take over from Ed
23:10 (16:20) Ran A2L check script
23:52 (16:52) Drop out of Observing for Jenne to reload filters (aLOG #35023)
00:18 (17:18) Kyle – Going to Mid-X
00:31 (17:31) Kyle – Back from Mid-X
00:45 (17:45) Back to Observing
01:24 (18:24) GRB Alert – Stand-down for one hour
02:24 (18:24) End GRB stand-down
02:48 (19:48) Lockloss – Unknown
03:59 (20:59) Relocked at NLN and back to Observing
04:15 (21:15) Damp PI Mode-27
04:30 (21:30) Elevated RF45 noise effecting range
07:00 (00:00) Turn over the Jim