2.7.1 https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions spase://NASA/DisplayData/Kyoto/WDCC2/DST NASA DisplayData Hourly Dst Indices to Today 2025-12-04T13:28:00Z 2020-07-07T19:48:34Z Only known prior ReleaseDate of the metadata 2025-08-05T13:13:01Z Added ObservedRegion(s). ZCB 2025-12-04T13:28:00Z Added MetadataRightsList. Added ResourceType and NamingAuthority. Updated to 2.7.1. ZCB Quicklook hourly Dst indices through today from WDC-C2 at Kyoto-U, also prior provisional and definitive hourly Dst spase://SMWG/Person/Toyo.Kamei GeneralContact spase://VSPO/DisplayData/P_KYOTO_HDR_DST_WDCC2 spase://VSPO/DisplayData/Kyoto/WDCC2/DST spase://SMWG/Repository/YNAO Online Open Site of WDC-C2, Kyoto U - Real-time (quicklook) Dst Index in this month http://wdc.kugi.kyoto-u.ac.jp/dst_realtime/presentmonth/index.html Site of WDC-C2, Kyoto U - Geomagnetic Data Service http://wdc.kugi.kyoto-u.ac.jp/wdc/Sec3.html GIF CALIBRATED MagneticField ActivityIndex 1957-01-01T00:00:00 -P1D Data are current to within hours. PT3600S Earth.NearSurface.Ionosphere Earth.Surface