TITLE:  Sep 15 EVE Shift 23:00-07:00UTC (16:00-00:00 PDT), all times posted in UTC

STATE Of H1: Observing

LOCK DURATION: 5hr48min

SUPPORT: Sheila gave a tip regarding if the 2Hz comb should re-appear to check the ALS Phase discriminator RF Mon and LO Mon to see if the counts have stopped moving. More about this can be found in her aLog. https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=21564

INCOMING OPERATOR: Nutsinee

Activity log:

23:31 Team out to swap the EndY EtherCat chassis 2

23:43 Sheila called from EY to confirm IFO state in order to begin work with EtherCat chassis.

00:17  Sheila called to say that they think they won.

00:18 Begin Locking

00:25 Team out of EY and headed back to control room.

01:00 IFO set to UNDISTURBED/Observing

01:17  I noticed the PCal lines missing

01:18 IFO set to UNDISTURBED/Observing

01:48 ETMY Saturation

02:19 ETMY Saturation

02:43 ETMY Saturation

02:51 ETMY Saturation

03:09 ETMY Saturation

05:33  poking around in GraceDB I noticed that there was a Gamma Ray Burst Alarm while the IFO was down.

End-of-Shift Summary: IFO remains locked and Observing at ~70Mpc. Seismic and wind activity remain quiet. MIcroseism had been steadily increasing over the last 22 hours but seems to have leveled off at around 2e-1. Occassional ETMY glitching (will be detailed in the end of shift activity log.