david.barker@LIGO.ORG - posted 11:31, Monday 22 May 2017 (36311)
End Station Compressed Air Channels Removed From Cell Phone Alarms
WP6647
Bubba, Dave:
The end station instrument compressed air signals from both EX and EY were removed from the cell phone alarm system. Two channels per building, the signal channel and its error channel. Alarm system was restarted at 11:24 PDT.