LIGO Document T1300488-v4
- This note provides data and methods useful in troubleshooting aLIGO RFPDs. The inaccessibility of the in-vacuum LSC and ASC detectors necessitates a guide to permit diagnosis prior to a vacuum incursion. The graphs and data in this note apply to in-air detectors as well.
- Version 4 adds S11 data taken at LLO in August 2013. Explanatory text has been added to help diagnose cable problems in and out of the vacuum envelope.
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