== Weekly PEM meeting ==
 * 2020/04/17(Fri) 14:00-(JST)
 * Regular meeting (Japanese) 
 * Web meeting with Zoom2 ([[https://zoom.us/j/6676627462|Zoom2]])

=== Agenda ===
　
==== General issue ====

 * Interferometer status
  * Two weeks observation was performed
   * Very limited onsite people operated the interferometer
   * End 4/20 9:00 a.m(JST)
   * After that, calibration group may work

 * Tasks for post-commissioning
  * [[https://docs.google.com/spreadsheets/d/1w4q8OvX9E6nkYSgshLYLoZH5yvQXHvGmL1agux8ztx0/edit?usp=sharing|post commissioning]]
   * Scattered light (One of the hammering test)
   * OMC chamber vibration RMS
   * PEM injection
   * Line noise investigation by PEM

 * PEM papers
  * Portable PEMs
  * KAGRA summary paper (Preparation of PEMs is main target)
  * O3 PEM paper
   * Acoustic injection
   * Noise budget (?)

 * Task management 2020
  * Join the PEM meeting
  * Analysis related PEM (Need the communication with Yokozawa or Washimi)
  * PEM installation toward O4
   * cabling ([[https://github.com/gw-pem/kagra-pem/issues/204|github204]]), ondotori ([[https://github.com/gw-pem/kagra-pem/issues/205|github205]]), water fluid ([[https://github.com/gw-pem/kagra-pem/issues/207|github207]])
   * read out of the lightning sensot ([[https://github.com/gw-pem/kagra-pem/issues/182|github182]]) : Shingakujutsu-kobo is acccepted
  * Preparation for PEM injection
  * If you will have efforts for PEM, please contact to Yokozawa or Washimi
  * Preparation, development, update of new monitors will be added as PEM effort
   * Example : update glitch plot, daily summary page.
   * But "just use them" may not include as PEM effort -> Shift or commissioning


==== Each progress ====

 * Discuss about the general issue (Yokozawa)
 * GND noise preparation after O3 post commissioning (Yokozawa)
 * Line noise subtruction (Washimi) : [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=14138|60Hz power]], [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=14126|180Hz violin mode]]
 * Earthquake flag : [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=13813]]
 * Glitch plot report (Kozakai)
 * Yuzu summary page report (Yuzurihara)
 * Update of the pastavi (Yuzurihara)