Operators

Takaaki Yokozawa, Hiroshi Takaba, Dan Chen

Shift Time

9:00–17:00 JST

Check Items

• VAC: No issues were found.
• CRY cooler: No issues were found.
• Compressor: No issues were found.
• OBS INTENT: The OBS INTENT was ON throughout the shift.

Note

• There was a period when the interferometer did not lock for an extended time. Just before the unlocked duration reached one hour, an earthquake occurred.
• After that, earthquakes continued to occur sequentially.
• Related klog: klog34448