1 Dear chiefs (cc: Shinkai-san),
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   4 SEO plan to have the first KAGRA engineering run on June 8th. This run will be short term for only 6hours (probably from 12PM to 6PM).
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   6 As announced in today’s chief meeting, currently we are thinking to have two (not three as announced before) runs in June. Currently the second run will be on June 29th.
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   8 For detail like purpose etc., please look at here;
   9 https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10168
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  12 I would like to collect items which should be implemented before joining O3 from each subgroup. Please fill the list below and send it to me. 
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  14 I hope the due date is 5/26(Sun).
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  16 If items are not enough, SEO will request tasks directly to each subgroup. After collecting items, I will make a big list which can be seen at a glance.
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  19 Thank you,
  20 Osamu Miyakawa
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  25 Please fill the item list below and send it to Miyakawa.
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  28 subgroup name:
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  30 Necessary items by joining O3 (add No. if you need more):
  31 1. Installation of the more PEMs
  32 2. KAGRA environmental characterizations (Suspension, cryogenic, optical tables, underground)
  33 3. Noise evaluation by PEM injection
  34 4. Data/Detector quality flag from PEM
  35 5. Coherent analysis between PEMs and GW signals
  36 6. 
  37 7.
  38 8.
  39 9.
  40 10.
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  44 Please list item No. that can be performed at 6 hours engineering run on June 8th:
  45 No. (ex.)1, 2, 4, 7
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