== Weekly PEM meeting ==
 * 2020/10/30(Fri) 17:30-
 * Regular meeting
 * Zoom2 : https://zoom.us/j/6676627462

=== After this meeting ===
 * Review of the acoustic injection paper by Washimi-san (18:00-)

=== Agenda ===

==== Conference issue ====
  
 * KIW7 
  * The 7th KAGRA International Workshop (National Central U., Taiwan), Dec. 18-20, 2020  (F2F meeting on Dec. 17-18)
 * (Next JPS meeting is also online-meeting)　
 * [[http://www.icrr.u-tokyo.ac.jp/YMAP/event/conf2020/index.html|YMAP workshop 2020]] : online, 11/7,8
  * registration limit 11/1 

==== General issue ====

 * Interferometer status
  * DGS upgrade
   * (Done) Debian 10 to client and server PCs
   * (Done) guardian-1.4.3 with debian 10
   * (Two weeks) RCG-3.5.1 and DAQ-3.5.1 
    * No data taking during this upgrade

 * Interferometer schedule [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12041|JGW12041]]
  * 26th Oct. - Open chambers

==== Discussion item ====

 * Start the investigation for measurement of the newtonian noise
  
==== Jurnal paper issue ====
[[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Reports/JurnalPaperIssue|Details are here!]]
  * PTEP (2) : noise budget(K.Yamamoto) [[https://docs.google.com/spreadsheets/d/1Lz5RNxdjOhdZp6CBef-USUUPmyNTrhww9a7u39W7PSI/edit?usp=sharing|Check list]], [[https://gokagra.slack.com/archives/C015M111B5G|slack]] '''<<Analysis is ongoing>>'''
   * Results of the environmental noise in the PTEP02 [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12129|JGWDoc12129]]
  * PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) '''<<Submitted>>'''
  * Acoustic injection paper (Washimi) '''<<1st DRAFT CIRCULATION>>'''
  * ICA for E-run/O3GK (Kume, Yokoyama) '''<<Analysis ON GOING>>'''
  * Portable PEMs (Yokozawa+) '''<<Start writing>>'''

==== Preparation for O4 ====
 
  * PEM tasks for O4 will be discussed after this meeting with SEO
   * GND issue 
   * Cabling issue
   * Cleaning the center area

  * water fluid ([[https://github.com/gw-pem/kagra-pem/issues/207|github207]])
   * Discussion with Furuta-san & a company is started
    * meeting with company persons : 10/7 13:00~ (DONE)
  * read out of the lightning sensor ([[https://github.com/gw-pem/kagra-pem/issues/182|github182]])
  * Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?) 
     * if accepted

 * After O4 
   * RF monitor
   * Tiltmeter
   * RI detector
    * Rn : contact person -> Guillaume Pronostさん (ICRR, SK)
    * cosmic-ray : plastic scintillator?
    * gamma/neutron : 新学術地下宇宙
    * start from a geiger counter?
   * Newtonian noise
    * Accelerometer for wall
    * Relative temperature monitor
    * Many seismometers
    * Superconducting Gravimeter
    * TOBA

==== Progress report ====
 * Yokozawa
  * Local Hurst exponent computation
  * Preparing the materials for portable PEMs
 * Washimi
  * PEM measurement during blackout

 * Kume
   * ICA analysis related with PEM


==== Place for memo ====