Reports until 16:18, Monday 22 September 2014
H1 SUS
betsy.weaver@LIGO.ORG - posted 16:18, Monday 22 September 2014 - last comment - 14:29, Tuesday 23 September 2014(14075)
3IFO QUAD6 status

B. Weaver, T. Sadecki, D. Sellers

Today we laced reaction chain cables and plugged in UIM and PenRe OSEMs.  We then began another round of R0 TFs.  TF results pending.  Offsets and gains for the lower stages are as follows:

L1UL 19173 1.565  -9586
L1LL 27412 1.094 -13706
L1UR 24370 1.231 -12185
L1LR 23612 1.271 -11806
L2UL 22949 1.307 -11474
L2LL 24546 1.222 -12273
L2UR 24855 1.207 -12428
L2LR 23608 1.271 -11804

These have been loaded to MEDM.

Comments related to this report
betsy.weaver@LIGO.ORG - 14:29, Tuesday 23 September 2014 (14096)
Link

We noted that the Q6 UIM L1 UL BOSEM was very low voltage.  Today, Travis and Danny switched in a new one.  We've updated the open light voltage offset and gain and loaded to MEDM.

After this change, now with serial numbers:

LOC  SN  OLV   GAIN   OFFSET
L1UL 575 28826 1.041 -14413
L1LL 491 27412 1.094 -13706
L1UR 489 24370 1.231 -12185
L1LR 427 23612 1.271 -11806

L2UL 153 22949 1.307 -11474
L2LL 133 24546 1.222 -12273
L2UR 216 24855 1.207 -12428
L2LR 145 23608 1.271 -11804