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/NumericalData/POLAR/CEPPAD/PT24S NASA NumericalData Polar Comprehensive Energetic Particle Pitch Angle Distribution (CEPPAD) Reprocessed Data 2025-12-04T13:30:58Z 2020-07-07T21:15:00Z Only known prior ReleaseDate of the metadata 2025-12-04T13:30:58Z Added MetadataRightsList. Added ResourceType and NamingAuthority. Updated to 2.7.1. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. ZCB ~24-second cadence data at ViRBO (provided by Reiner Friedel; files follow the PRBEM standard. Reiner Friedel spase://SMWG/Person/Reiner.Friedel DataProducer spase://ViRBO/NumericalData/Polar/CEPPAD/PT24S spase://VSPO/NumericalData/POLAR/CEPPAD/PT24S spase://SMWG/Repository/ViRBO Online Open FTP site with CDF files http://mag.gmu.edu/ftp/friedel/Polar/ceppad/cdf/ CDF GZIP spase://SMWG/Instrument/POLAR/CEPPAD EnergeticParticles 1996-03-03T00:00:00.00000 2008-03-12T00:00:00.00000 PT24S Earth.Magnetosphere