= Agenda/Minutes of the VIS Meeting on 2020/2/28 = 2020/2/28 14:00 - 16:00 [[https://zoom.us/j/203743987|Zoom Meeting]] Participants: Takahashi, Hirata, Shoda, Sato, Ishizaki, Aso, Fabian, Okutomi, Lucia, Tanaka [[https://paper.dropbox.com/doc/VIS-Commissioning-Task-List--AlK26n6oP8QHU_XUQriwv2PvAg-RKcNXfMFrqOtTAPU48qQf|VIS Commissioning Task List]] [[https://onedrive.live.com/view.aspx?resid=8E8081C20FE5EC3A!2278&ithint=file,xlsx&authkey=!AMFNtNa-Y6CVp94|Post-O3 task list]] [[https://www.dropbox.com/s/9l1h0fw9kc1pzmm/Proocurement%202019FY.xlsx?dl=0|Procurement list in 2019FY]] [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11475|Schedule afetr O3]] == Progress report == === Type-A === ==== Past week report ==== * Changed the beam position of ITMY. * Discussed about the micro seismic reduction. ==== Plan for coming weeks ==== === Type B === ==== Past week report ==== * Oplev box: no update. * I have been checking some of the details of what we have to do after observation. I have questions about limit switches. ==== Plan for coming weeks ==== === Type-Bp === ==== Past week report ==== * PRM Oplev signals are wired (P&Y has coherence at 1-10 Hz) while the noise level does not change after turning the whitening filters on. * PRM guardian needs to be modified not to see coil BIO which is already disabled. ==== Plan for coming weeks ==== === OMMT & OSTM === ==== Past week report ==== ==== Plan for coming weeks ==== === VIS electronics === ==== Past week report ==== * Measured the TF of the filter circuit of combiner and compared with the SPICE simulation. They were consistent. ==== Plan for coming weeks ==== === Other site works === === Safety === == Discussion == == Travel Plans == * Travel (Week of 3/2): * Takahashi: * Sato: 4 (KEK) * Hirata: * Shoda: * Fujii: 2-4 * Tanaka: * Travel (Week of 3/9): * Takahashi: * Sato: * Hirata: * Shoda: * Fujii: * Tanaka: == Next meeting == On 2020/3/6(Fri)