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| * Mark did a summary spreadsheet of Takahashi-san's cable orders to see what needed to be ordered immediately (new BS TM OSEM cables; geophone adapters) and later (for SRx). | |
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| * Mark considered an alternative cabling scheme for the geophones (with a different adapter cable to put the signals and power on different lines and a matching unscrambler) but ended up concluding that the existing design would probably be OK. | * Mark considered an alternative cabling scheme for the geophones (with a different adapter cable to put the signals and power on different lines and a matching unscrambler) but ended up concluding that the existing design would probably be OK. See [[attachment:00 Revised Geophone-v2.PDF]]. |
Scraps of text for incorporation in the VIS Meeting Minutes
KAGRA/Subgroups/VIS/MeetingNAOJ
- Type B Past Week Summary
- Mark worked on task lists and schedule.
Mark worked on an update of the BS Electronic Items doc (E1505111) and started a SRx Electronics Items doc (E1605886).
- Mark did a summary spreadsheet of Takahashi-san's cable orders to see what needed to be ordered immediately (new BS TM OSEM cables; geophone adapters) and later (for SRx).
Mark worked on an update of the In-Vacuum Cable doc (E1503901), including information on final lengths that Fabian and Hirata-san had decided when making adapter cables.
Mark considered an alternative cabling scheme for the geophones (with a different adapter cable to put the signals and power on different lines and a matching unscrambler) but ended up concluding that the existing design would probably be OK. See 00 Revised Geophone-v2.PDF.
- Fabian worked on a redesign of the EQ stops for the BS (2 of 4 screws under the RM are opposite large holes and there are no screws to restrain the RM front/back at either top or bottom).
- Hirata-san worked on PR/SR mirror box modifications with Shoda-san (on-going).
- Hirata-san partially assembled a bottom filter for use in fit tests of the PRx BF recoil mass.