Reports until 14:16, Tuesday 09 June 2015
H1 ISC
daniel.sigg@LIGO.ORG - posted 14:16, Tuesday 09 June 2015 (19029)
ALS fiber polarization

We received an error by the EY PLL that the fiber polarization has driftyed out of spec. The attached plot shows the trend over the past 12 days. We can see daily fluctuations and the y-arm drifting higher over time, but nothing of particular interest.

Images attached to this report