Reports until 12:25, Wednesday 12 November 2014
H1 PEM
sheila.dwyer@LIGO.ORG - posted 12:25, Wednesday 12 November 2014 - last comment - 12:56, Wednesday 12 November 2014(15008)
EY temperature excursions

evan, nic, sheila

The temperature at EY was stable for most of the last month to within ~0.5 deg C until the last few days. Recently there were excursions of as big as 3 deg C. We think this is responsible for TMS misalignments.

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john.worden@LIGO.ORG - 12:56, Wednesday 12 November 2014 (15010)

I turned on some heaters last night - see this morning's alog..

Richard and I will talk about modifying our heater control. Then you can send us more weather fronts for testing purposes...

 

https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=14997