Reports until 10:36, Wednesday 02 July 2025
H1 SEI (SEI)
ryan.crouch@LIGO.ORG - posted 10:36, Wednesday 02 July 2025 (85408)
ISI CPS Noise Spectra Check - Weekly

FAMIS 26044, last checked in alog85153.

HAMs:

HAM4 has a new V3 line at the upper end of the frequency bandwith shown.

HAM7 V2 and V3 also appear a little louder just over 100 Hz.

HAM8s V3 line just over 100Hz has reduced by ~an order of magnitude.

BSCs:

ITMY_ST2 V2 has become a little noisier at high frequency.

BS_ST2 V3 has become a little noisier at high frequency.

ETMX_ST1 line at just under 60Hz has increased in both H1 and V3.

Non-image files attached to this report