Vicky noticed that H1:SQZ-SHG_FIBR_REJECTED_DC_POWERMON is high, this is the rejected polarization polarization sent though the OPO pump fiber and measured in HAM7, trend over time attached.

Followed instructions in 71761 to reduce it from 0.55 to 0.03, plot. With ISS on, H1:SQZ-OPO_ISS_CONTROLMON is at 4.1V

With SQZ_OPO_LR in DOWN, H1:SQZ-OPO_REFL_DC_POWER increased from 2.2 to 2.3. Our maximum after on table AOM and fiber alignment is around 2.9V (last done August, September and November 74479).

Lockloss at 08:35UTC from an earthquake, high winds as well at the time.

TITLE: 01/09 Day Shift: 16:00-00:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Wind
OUTGOING OPERATOR: Ryan C
CURRENT ENVIRONMENT:
    SEI_ENV state: MAINTENANCE
    Wind: 33mph Gusts, 21mph 5min avg
    Primary useism: 0.14 μm/s
    Secondary useism: 0.83 μm/s
QUICK SUMMARY: Lost lock 7.5 hours ago and Ryan was unable to relock with the high wind and high useism. Maintenance activities have started.

Workstations were updated and rebooted.  This was an OS package update only.  Conda packages were not updated.

H1 called for assistance at 10:15UTC, it seems to be stuck in IA as we're still ringing down from an earthquake and winds have picked up which is making locking Yarm a struggle.

TITLE: 01/09 Eve Shift: 00:00-08:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Observing at 156Mpc
INCOMING OPERATOR: Ryan C
SHIFT SUMMARY: Quiet shift with one superevent. H1 has now been locked for almost 8 hours.

• H1 relocking following earthquake during previous shift
• 00:17 Reached NLN
  • Taking time fo some SQZ adjustments - alog75257
• 00:49 Started observing
• 05:04 Superevent S240109a

State of H1: Observing at 160Mpc

H1 has been locked for almost 4 hours. Quiet night so far with just one minor earthquake passing through.

Full DQ shift report is here.

• Duty cycle: 70.90%, 25.88%, 83.18%, 93.90%, 38.53%, 0%, 79.99%. Week average: 56.03%
• BNS range: from 150~163 Mpc. Most time is around 155~160 Mpc. Some lockloss due to commisioning and due to 7.4 earthquake in Japan at 07:21 UTC on Monday 2024-01-01.
• Fscan-observing: line counts are very fluctuating during this week (around 380-630). On Monday 2024-01-01 line count is above mean + stddev around 630 and some are below mean - stddev (2024-01-02 and 2024-01-05). 
• Hveto:
  • No rounds completed above threshold on Monday 2024-01-01 and Tuesday 2024-01-02. 
  • The most common winner is H1:PEM-EX_VMON_ETMX_ESDPOWER48_DQ which appeared 2 times in this week.
• PyCBC:
  • There are total 9 events with new SNR>10 for PyCBC live medium.
  • There are total 32 events with new SNR>10 for PyCBC live short.
  • The event with highest new SNR is 19.826 from PyCBC live short on Wednesday 2024-01-03 with GPS time 1388299488.910.

FAMIS 26273, last checked in alog75087

Looks like MY fans were switched 5 days ago, but otherwise all fans look okay.

FAMIS 20010

PMC reflected power has been slightly increasing over the past ~3 days, and FSS transmitted power has been decreasing over the same period, but I don't see that PMC transmitted power has changed much at all.

TITLE: 01/09 Day Shift: 16:00-00:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Lock Acquisition
INCOMING OPERATOR: Ryan S
SHIFT SUMMARY:

IFO is LOCKING and at TRANSITION_FROM_ETMX

EQ recovery is going smoothly

Lockloss alogs:

Lockloss 21:13 UTC (EQ)

Lockloss 18:53 UTC

Lockloss 16:26 UTC

Other:

• Patrick restarted the FC_IR_TRANS_B camera - it is no longer bluescreened
• 20:05 UTC to 20:12 UTC Briefly went into COMISSIONING for Camilla to test something out - alog 75250

LOG:

TITLE: 01/08 Eve Shift: 00:00-08:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Lock Acquisition
OUTGOING OPERATOR: Ibrahim
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 3mph Gusts, 2mph 5min avg
    Primary useism: 0.04 μm/s
    Secondary useism: 0.51 μm/s
QUICK SUMMARY:

H1 is relocking following a M7.0 earthquake; currently up to MOVE_SPOTS. All systems look good; wind is low and microseism is sitting just below the 90th percentile.

Since TJ implemented bootstrapping on the CO2_PWR guardians, 74075 the power sent into vacuum has been much more stable.

We installed a new chiller in CO2X 73704 October 27th. It's been more stable and decaying less quickly since then but has still been relocking around once a week. Plot attached

As in 74872 and 74741, I have taken PEM_MAG_INJ and SUS_CHARGE from WAITING to DOWN so that they do not run tomorrow. Instead, tomorrow Louis and Sheila will try the risky DARM loop swaps and calibration from 7amPT. To re-enable the automated measurements, the nodes should be requested to INJECTIONS_COMPLETE before next Tuesday.

Lockloss due to 7.0 EQ from Philippines

Staying in DOWN until it passes.

We've been seeing SQZ angle not optimizing correctly (75245, 75151). At 20:05 Ibrahim took us into commissioning and I tried to change ADF frequency H1:SQZ-ADF_VCXO_FREQ_SET from 1300Hz to 200Hz. The ADF line didn't move from the 1300Hz region, just became noisy when I changed it. PLL didn't lock. Unsure why the ADF wouldn't move, I also tried 800Hz to no avail.  ADF frequency hasn't successfully been changed since Daniel adjusted the model in May 69453.