= O3GK: GEO-KAGRA joint observation (April 7 8:00 - April 21 0:00 2020 (UTC)) = === Official start and end time === Start : April 7 8:00 2020 UTC, GPS Time : 1270281618 End : April 21 0:00 2020 UTC, GPS Time 1271462418 === Data file location in m31 === KAGRA m31-01:/data/proc/C00/postO3/K1 GEO m31-01:/data/hl/postO3/C01/G1 === Frame type === KAGRA : K1_C00 GEO : G1_RDS_C01_L3 === Strain channels === KAGRA : K1:CAL-CS_PROC_C00_STRAIN_DBL_DQ GEO : G1:DER_DATA_H || KAGRA || GEO || Other informatioin || ||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11631|Observation summary]]|| [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11591|GEO data files channel information]] || [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11630|GRB event during observation period]] || ||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11626|KAGRA O3 data files informaton]]|| [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11658|Segment list file]] || || ||[[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/DataQuality|On the KAGRA State Vector]] || [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11640|On the definition of science mode]] || || ||[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11658|Segment list file]] || || ||