<> ---------- = VIS Meeting = Date: 2025/9/26 10:00-10:30 [[https://zoom.us/j/203743987|Zoom]] Participants: Aso, Akutsu, Takahashi == Topics == === Type-A === * Drift of the GAS filters * Some GAS filters were offloaded on Sep. 23. * ACCs for the IP controls. * Evaluating the FLDACC with DGS in ATC ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=16646|report]]). Noise budget should be made. === Type-B/Bp === * IRM damper for Type-B. * Hirata-san assembled the delivered parts. * Enclosure for the SG card in an independent box. * The prototype box was mounted in a [[attachment:SGbox0.jpg|1U rack]]. * IP for Type-Bp. * Started a design. === Type-C === * Active isolation table for OMC. * New geophone (SM-700C) was delivered on Sep. 18. * The new geophone pod has been ordered. * Investigating the effects of cabling and pre-amps for the geophones ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=16645|report]]). * The effects due to the tilt of the table were checked ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=16918|estimation]]). The gap in the IRM should be larger. * The height of the OMMT1 will be changed from 21cm to 20cm. * Small Type-C suspensions with mini-GAS. === R&D === == Discussion == == Next meeting == * 2025/10/10 10:00-