IFO is in LOCKING after an unknown LOCKLOSS at 18:55 UTC

Scheduled 8:30 - 11:30 PT (15:30 UTC to 18:30 UTC) Comissioning went well and finished at 11:36 PT.

Other:

• 16:53 - 16:58 UTC, Erik put in a 0 amplitude excitation in H1:SUS-ETMX-L1_CAL_EXC in order to test alog 78746's failed excitation start during Saturday's Cal Sweep. Comments on that alog are relevant to this.