TJ's VerbalAlarms system maintains a H1 lock log (with lock segment numbers). I'm not sure if there is an easy way to display this so I wrote a simple script called show_lock_log
show_lock_log
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Displaying file: /ligo/logs/VerbalAlarms/Lock_times/2016/11/lock_log_11_29_2016.txt
Lock# 74
Times are in: GPS (UTC)
Start time: 1164415514.0 (Nov 29 00:44:57 UTC)
Itbit Engage: [0]
Itbit Disengage: [0]
End time: 1164415525.0 (Nov 29 00:45:05 UTC)
Total length: 11.0 , 0hr 0min 11sec
Total Science: 0 , 0hr 0min 0sec
Lock# 75
Times are in: GPS (UTC)
Start time: 1164421049.0 (Nov 29 02:17:12 UTC)
Itbit Engage: [0]
Itbit Disengage: [0]
End time: 1164421057.0 (Nov 29 02:17:19 UTC)
Total length: 8.0 , 0hr 0min 8sec
Total Science: 0 , 0hr 0min 0sec
Lock# 76
Times are in: GPS (UTC)
Start time: 1164463135.0 (Nov 29 13:58:38 UTC)
Itbit Engage: [0, 1164465119.0]
Itbit Disengage: [0, 1164470781.0]
End time: 1164474658.0 (Nov 29 17:10:38 UTC)
Total length: 11523.0 , 3hr 12min 3sec
Total Science: 5662.0 , 1hr 34min 22sec
End of Day Summary
Current Status: Commission, Locked since Nov 29 22:05:01 UTC (1164492318.0)
Total Day Locked: 5hr 7min 24sec [21.3%] (18444/86400)
Total Day Science: 1hr 34min 22sec [6.6%] (5662/86400)
done
Note that unlike iLIGO, segment numbers are not limited to locks exceeding 5 minutes in length. End of day es defined in UTC, which means 16:00 PST (or 17:00 PDT).