2.7.2 https://spdx.org/licenses/ 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/NumericalData/IMP8/CPME/PT328.00S NASA NumericalData IMP 8 CPME 5-min rates and fluxes https://doi.org/10.48322/skw7-bx14 2026-09-28T17:49:09Z 2020-07-07T21:14:38Z Only known prior ReleaseDate of the metadata 2025-12-04T13:29:34Z Added MetadataRightsList. Added ResourceType and NamingAuthority. Updated to 2.7.1. ZCB 2026-06-26T13:17:53Z Add 'Z' to TemporalDescription:TimeSpan:StartDate. ZCB 2026-07-21T12:05:21Z Added HelioData InformationURL. JWL 2026-09-25T11:36:40 Added Publication Info TLK 2026-09-28T17:49:09Z Changed http to https in top-level schemaLocation attribute. Added DOI. TLK IMP 8 CPME electron, proton, alpha particle and Z>2 count rates and fluxes at 5-min and lower resolutions McGuire, Robert E. 2020-07-07T21:14:38Z Space Physics Data Facility spase://SMWG/Person/Thomas.P.Armstrong GeneralContact spase://SMWG/Person/Robert.E.McGuire ProjectScientist HelioData https://helio.data.nasa.gov/dataset/IMP8_CPME_PT328.00S The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more. spase://VSPO/NumericalData/P_IMP8_HDR_CPME_FTECS spase://VSPO/NumericalData/IMP8/CPME/PT328.00S spase://SMWG/Repository/FTECS Online Open Fundamental Technologies, Inc., (TP Armstrong) http://data.ftecs.com/archive/imp_cpme/ Text CALIBRATED spase://SMWG/Instrument/IMP8/CPME EnergeticParticles 1973-10-29T00:00:00Z -P5M In May, 2005, data were available into January, 2005. PT328.00S Heliosphere.NearEarth