TITLE: 04/16 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Commissioning
SHIFT SUMMARY: Got further in locking today. Commissioners have taken calibration measurements and CARM loop. We've had a fair few locklosses today, described and linked below. Currently at LOWNOISE_ESD_ETMX.
LOG:

• 15:36 - 21:10 Hugh onsite - Mechanical room inventory
• 16:11 Lockloss #1 1302624690
  • Locking after this lockloss detailed by alog 58620
• 16:39 - 17:00 Marc into LVEA to plug network analyzer into Common mode board
• 18:11 Took Calibration Actuator TFs
• 19:24 Lockloss #2 (looked similar to #1) 1302636280
  • Georgia found CARM looked glitches before locklosses (ndscope plots) and can see arm powers drift in the ~minute before for both (attached screenshot)
• 20:20 Jeff K taking Calibration Sensing TFs
• 20:26 Marc into LVEA to adjust connections of network analyzer to Common mode board.
  • CARM measurement taken.
  • Unplugged before leaving incase it effects locking.
• 20:40 Lockloss #3  saturating ETMX L2 1302640848
• 21:10 Mitchell taking forklift OSB <-> Staging 
• 21:21 Lockloss #4 saturating ETMX L2 - blame coil drivers? 1302643287
• 22:03 Lockloss #5 saturating ETMX L2 1302645858