Reports until 23:59, Thursday 20 April 2017
LHO General
patrick.thomas@LIGO.ORG - posted 23:59, Thursday 20 April 2017 (35700)
Ops Eve Shift Summary
TITLE: 04/20 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Observing at 63Mpc
INCOMING OPERATOR: Travis
SHIFT SUMMARY: Observing entire shift. Nearly lost lock upon arrival of 5.4 magnitude earthquake in Tonga. One very large random glitch that saturated the OMC DCPD.
LOG:

~23:44 UTC 5.4 mag earthquake in Tonga arrived
03:56 UTC LLO notified us that they are not recording data
04:41 UTC Huge glitch with OMC DCPD saturation
04:47 UTC LLO back