We lost lock during the simulines.

Broadband:

Start: 2025-07-31 08:01:17

Stop: 2025-07-31 08:06:27
File: 2025-07-31 08:06:27,403 bb output: /ligo/groups/cal/H1/measurements/PCALY2DARM_BB/PCALY2DARM_BB_20250731T150117Z.xml

Simulines:

Start: 2025-07-31 15:07:27.930077 UTC // GPS: 1438009665.930077

Stop:

PDT: 2025-07-31 08:13:55.521211 PDT
UTC: 2025-07-31 15:13:55.521211 UTC
GPS: 1438010053.521211

2025-07-31 15:13:36,414 | INFO | Scanning frequency 8.99 in Scan : DARM_OLGTF on PID: 915550
2025-07-31 15:13:36,414 | INFO | Drive, on DARM_OLGTF, at frequency: 8.99, is now running for 31 seconds.
2025-07-31 15:13:51,097 | ERROR | IFO not in Low Noise state, Sending Interrupts to excitations and main thread.
2025-07-31 15:13:51,098 | ERROR | Ramping Down Excitation on channel H1:SUS-ETMX_L2_CAL_EXC
2025-07-31 15:13:51,098 | ERROR | Ramping Down Excitation on channel H1:LSC-DARM1_EXC
2025-07-31 15:13:51,098 | ERROR | Ramping Down Excitation on channel H1:CAL-PCALY_SWEPT_SINE_EXC
2025-07-31 15:13:51,098 | ERROR | Ramping Down Excitation on channel H1:SUS-ETMX_L1_CAL_EXC
2025-07-31 15:13:51,098 | ERROR | Ramping Down Excitation on channel H1:SUS-ETMX_L3_CAL_EXC
2025-07-31 15:13:51,098 | ERROR | Aborting main thread and Data recording, if any. Cleaning up temporary file structure.

15:13 UTC lockloss, there was a 5.0 from between Greenland and northern Canada hitting us at the time.