Reports until 20:59, Sunday 21 April 2019
H1 General
travis.sadecki@LIGO.ORG - posted 20:59, Sunday 21 April 2019 (48657)
Observing at 3:57 UTC

PEM crew done for the day.  At some point during PEM work, the SQZ lost lock.  I encountered the same problems and solutions detailed in Patrick's 48483.