H1 dropped out of observing in coordination with L1 from 19:12 UTC to 19:47 UTC to run broadband and Simulines calibration sweeps.

Broadband sweep ran from 19:13 to 19:18 UTC

Simulines start:

PST: 2023-12-16 11:20:16.447089 PST
UTC: 2023-12-16 19:20:16.447089 UTC
GPS: 1386789634.447089

Simulines end:

PST: 2023-12-16 11:42:22.643162 PST
UTC: 2023-12-16 19:42:22.643162 UTC
GPS: 1386790960.643162

Screenshot attached of CAL monitor screen taken before dropping observing. I didn't see that a PDF was generated at the end of the Simulines sweep, but five files were successfully written to the /ligo/groups/cal/H1/measurements/ directory.