Summary page: https://gwdet.icrr.u-tokyo.ac.jp/~controls/summary/day/20191223/

Summary for the day:
*73104 seconds on observing mode.
*Duty cycle for the day is 84.6%.
*mean BNS inspiral range is about 6kpc.

Lockloss:
Lockloss happened at
(UTC)
00:08:01.000
05:42:33.000
06:28:21.000
06:40:02.000
08:30:08.000
16:33:24.000
17:35:16.000
17:50:59.000
18:53:36.000
19:14:01.000
19:28:02.000
21:16:19.000
23:59:42.000
which are reported in
http://klog.icrr.u-tokyo.ac.jp/osl/?r=12277
http://klog.icrr.u-tokyo.ac.jp/osl/?r=12279
http://klog.icrr.u-tokyo.ac.jp/osl/?r=12281

FSCAN:
CAL_DARM There are some spectrum lines at 326, 345, and 1560Hz.
CAL_IMC There is no fluctuation.
CAL_MICH There is fluctuation around 1850-1900Hz.