TITLE: 06/21 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: OBSERVING
INCOMING OPERATOR: Travis
SHIFT SUMMARY:
Decent shift with wind dying down for last 5hrs. Only a couple of glitches on H1 (one was a brief session of the new Pitch Instability & the other was due to inbound gravel trucks). L1 continues to be down due to heavy storm activity.
Pair of porcupines spotted by Peter King this morning.
LOG:
- 7:36 Lockloss
- Had multiple bouts of FSS PZT Mon oscillations. Cleared up on its own.
- Worked on damping SUS Modes
- 10:13 Back To OBSERVING
- 11:33:00-11:34:30 pitch instability returned for a few minutes. Dropped range down to 45Mpc (from 66Mpc).
- Morning Hanford Site Inbound Gravel Trucks seen on roof camera & on DARM spectra:
- 14:12:59 100-300Hz Glitch (brought range down to 60Mpc from 66Mpc).
- 14:16:49-14:17:12: 60-500Hz glitch. This glitch started at 60Hz & swept up to 500Hz, then swept back down to 100Hz. Dropped range from 67 down to 49Mpc.
- 14:21:36 Saw truck, but didn't see anything on DARM.