TITLE: 04/24 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Observing at 65Mpc
INCOMING OPERATOR: TJ
SHIFT SUMMARY:

"No good h(t)" from beginning of current lock (6:42-11:24utc); everything looks good now.  Knocked down 4.2kHz line while L1 was down.  H1 has been locked for 8+hrs.
LOG:

• 10:12-11:12 GRB Stand Down
• 11:32-11:41:  Out of OBSERVING
  • A2L run (before & after measurement looks like it got worse. Will leave as is.)
  • 4.25kHz Violin Harmonic peak at 6e-17 as seen on running DARM spectra (WITH FM9 [+30deg phase] engaged).  Turned OFF FM9 & after 2min turned ON FM8 (-30deg).  So went from +30deg to -30deg.  Peak disappeared into noise floor.  ACCEPTED SDF Diff.