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/IMP8/LEPEDEA/UIOWA NASA DisplayData IMP 8 LEPEDEA Daily spectrograms 2025-12-04T13:27:59Z 2020-07-07T19:48:34Z Only known prior ReleaseDate of the metadata 2025-12-04T13:27:59Z Added MetadataRightsList. Added ResourceType and NamingAuthority. Updated to 2.7.1. ZCB IMP 8 and IMP 7 LEPEDEA Daily spectrograms spase://SMWG/Person/Louis.A.Frank GeneralContact spase://VSPO/DisplayData/P_IMP8_HDR_LEPEDEA_UIOWA spase://VSPO/DisplayData/IMP8/LEPEDEA/UIOWA spase://SMWG/Repository/UIowa/ParticlesImagingGroup Online Open IMP/LEPEDEA site at U. Iowa http://www-pi.physics.uiowa.edu/imp/ GIF CALIBRATED spase://SMWG/Instrument/IMP7/LEPEDEA spase://SMWG/Instrument/IMP8/LEPEDEA ThermalPlasma 1973-11-15T00:00:00 1996-08-14T00:00:00 Earth.Magnetosphere