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/CRNC/PT3600.00S NASA NumericalData IMP 8 CRNC Hourly Count Rates https://doi.org/10.48322/t191-v102 2026-09-28T17:49:09Z 2020-07-07T21:14:39Z Only known prior ReleaseDate of the metadata 2025-12-04T13:29:34Z Added MetadataRightsList and RightsList(s). Added ResourceType and NamingAuthority. Updated to 2.7.1. ZCB 2026-06-26T13:17:55Z Add 'Z' to TemporalDescription:TimeSpan:StartDate, TemporalDescription:TimeSpan:StopDate. ZCB 2026-07-21T12:05:22Z Added HelioData InformationURL. JWL 2026-09-25T13:29:24 Add Publication Info 2026-09-28T17:49:09Z Changed http to https in top-level schemaLocation attribute. Added DOI. TLK Hourly count rates from U.Chi/UNH IMP 8 experiment, 9 each proton and alpha channels 11-95 MeV/n, 3 electron channels 0.7-50 MeV, 2 each CNO and Z>8 channels McGuire, Robert E. 2020-07-07T21:14:39Z Space Physics Data Facility spase://SMWG/Person/Clifford.Lopate GeneralContact spase://SMWG/Person/Robert.E.McGuire ProjectScientist HelioData https://helio.data.nasa.gov/dataset/IMP8_CRNC_PT3600.00S The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more. spase://VSPO/NumericalData/P_IMP8_HDR_UCHI_FTP spase://VSPO/NumericalData/IMP8/CRNC/PT3600.00S spase://SMWG/Repository/NASA/GSFC/SPDF Online Open 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 NASA Heliophysics data products in ASCII via ftp from OMNIWeb Browser https://omniweb.gsfc.nasa.gov/ftpbrowser/imp_chi_crnc_1h_st.html Text CALIBRATED spase://SMWG/Instrument/IMP8/CRNC EnergeticParticles 1973-10-30T00:00:00Z 2001-10-26T00:00:00Z PT3600.00S Heliosphere.NearEarth