== Weekly PEM meeting ==
 * 2023/01/27(Fri) 17:00-
 * Regular meeting
 * Zoom2 : https://zoom.us/j/6676627462

==== General announcement ====

 * KAGRA visiting plan
  * Now, the budget of KAGRA is limiting, but if you want to visit Kamioka, please contact to Yokozawa

 * SEO budget
  * For maintenance, observation and toward O5

==== Meeting and Conference issue ====

  * JPS meeting (Online)
   * Registration : Finished
    * Washimi(Schumann resonance)
    * Fulunaga(Schumann resonance)
    * Miyamoto(Weather)

  * 2nd SPB workshop
   * [[https://indico.ego-gw.it/event/525/|url]]
   * Yokozawa will present the KAGRA status

  * LVK meeting
   * 13 - 16 Mar
   * [[https://sites.northwestern.edu/lvk2023ciera/|url]]

  * ILANCE conference
   * 27 - 30 Mar
   * Kyoto University
   * [[https://indico.in2p3.fr/event/28466/|url]]

  * GWADW 2023
   * 21 - 27 May, Elba, Italy
   * One day could be the day for "KAGRA commissioning support" and "experiences/results in KAGRA" presentation
   * The 3rd generation can be a large topics because ET is now proceeding.

  * LVK Meeting
   * 11 - 14 Sep.
   * Toyama, Japan

  * 10th KIW

  * Other meetings [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/DAWG/conferences|url]]

If you have some presentation about PEM related, please contact to me.

==== Business travel ====

 * Depending on the situation of COVID-19
 * To Kamioka
  * Miyamoto (1 weak in Feb)
 * From Kamioka
  * No
  
==== General issue ====

 * Site work
  * 1/30 - 2/3 Repair the leak at OMC area
  * PLL with new laser

 * FPMI lock
  * Lock enable
  * Silent run sometimes performed
   * 2022/12/28 evening - 2023/01/14 morning [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=23463|klog23463]]
   * Overnight
  * FPMI with DC readout and ISS locked
   * 2023/01/15 6:10:00 - 8:10:00(JST) [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=23575|klog23575]]
   * 2023/01/19 7:10:00 - 9:10:00(JST) [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=23638|klog23638]]

 * PRFPMI lock trial
  * Bottle neck is the noise level of ALS
   * It made difficult to hand over from GR to IR
    * How to brand for hand over
   * Implementation of the PNC(Phase Noise Cancellation) to reduce the 0.4Hz resonant peak
    * In vac optical table and put the steering mirror on it
   * Reducing the air disturbance

 * ASC implementation
  * Evaluate offset map
  * Trial of the implementation of the  ASC loop


 * 出張PEM injection ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14016|planning form]])
  * 

==== Jurnal paper issue ====
[[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Reports/JurnalPaperIssue|Details are here!]]

  * ICA for E-run/O3GK (Kume, Kobayashi)
   * [[https://arxiv.org/abs/2206.05785]]

  * Micro seismic analysis (Hoshino)
   * writing
   * [[https://ja.overleaf.com/project/627270d6b67cab411d1c7d32|Overleaf]]

  * Acoustic reverberation time paper (Washimi+) 
    * Suspend
    * Re-measurement before O4?

  * Tonga GIF paper
     * Playground application

==== Preparation for O4 ====

 * Investigation of the PEM injection is just started
  * Preparing the function generator
  * Acoustic injection preparation
  * Magnetic injection 

 * Portable PEM injectors

 * Voltmeter preparation
  * We made the PEM channel
   * K1:PEM-VOLT_{PSL,IMCREFL,REFL,ISS,AS}_TABLE_{GND,FLOAT,DIFF}
   * K1:PEM-VOLT_OMC_CHAMBER_{GND,FLOAT,DIFF}
  * AC power monitoring
   * Bought transreducer

 * After O4 
  * RF monitor with mokugo
  * Tiltmeter
  * RI detector
  * Newtonian noise

 * Discussion with DET members
  * Daily summary page PEM

==== Progress report ====

 * Yuzurihara
  * Pastavi
  * Data Quality Report [[https://dcc.ligo.org/G2201168|slide]]
  * Data quality evaluation
  * Brief report of the silent run

 * Suzuki
  * Water simulation

 * Hoshino
  * Seismic motion analysis

 * Miyamoto
  * Weather analysis

 * Kume
  * Report of paper progress

 * Fukunaga
  * Schumann resonance

 * Kiyota
  * Power line noise investigation

 * Nishizawa
  * Water newtonian noise
  * Magnetic field analysis

 * Washimi 
  * VK mag
  * Roughness of water pump
 
 * Yokozawa 
  * Interesting topic during silent run

==== Place for memo ====
 * [[https://www.gw-openscience.org/O3/o3aspeclines/|Line noise list in O3a public data]]
 * [[https://pubplan.ligo.org/CW/KAGRA_VectorDM.html|Summary page for KAGRA O3 vector dark matter]]