TITLE: 01/22 Owl Shift: 08:00-16:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Observing at 116Mpc
INCOMING OPERATOR: Corey
SHIFT SUMMARY: locked all shift in Observe
LOG:

• two GRB alerts, standown complete
• 11:27:20 - SEI from WINDY to EQ
• 11:43:28 - SEI from EQ to WINDY
• 15:30:00 - Chris, Tyler, Scott to MY to work on the tumbleweed shredder, maintance, no work on tumbleweeds

Violin modes in non standard damping:

• ETMY mode 7, NOTE: this mode does not yet have a monitor filter
• ETMY modes 12, 18, 20, mode 20 is damping, slowly damping, but making progress on reducing the peak in DARM at 1000.31Hz
  • mode 12, gain was 0.5, now 0.1
  • mode 18, gain was 10, now 0
  • mode 20, gain was 0, now +0.5
  • damping filters for these modes need adjustments, so that both modes 18 and 20 can be damped at the same time, and until then, best to damp one or the other
• ITMY modes 12, 17, and 18
  • mode 12, gain was 1200, now 200
  • mode 17, ain was 90, now 20
  • mode 18, gain was 0, now 200