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/Explorer33/FaradayCup/PT3M NASA NumericalData Explorer 33 3-min solar wind plasma data 2025-12-04T13:29:11Z 2021-03-11T18:39:11Z Only known prior ReleaseDate of the metadata 2025-12-04T13:29:11Z Added MetadataRightsList and RightsList(s). 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 This data set has 3-min resolution solar wind plasma parameters (flow speed and direction angles, ion thermal speed and density) from the MIT Faraday Cup on Explorer 33 (AIMP 1, IMP D). There are no spacecraft position data in the records. The data are in annual ASCII files. To the MIT plasma team and to the Space Physics Data Facility at Goddard spase://SMWG/Person/Alan.J.Lazarus GeneralContact NSSDC Master Catalog https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=1966-058A-06 This reference contains a citation to a descriptive 1967 J.Geophys.Res. paper by the MIT team. NSSDC Data Set Catalog https://spdf.gsfc.nasa.gov/pub/documents/old/documentation_from_nssdc/dataset_catalogs/DSC_0168.pdf spase://VHO/NumericalData/Explorer33/FaradayCup/PT3M spase://VSPO/NumericalData/Explorer33/FaradayCup/PT3M spase://SMWG/Repository/NASA/GSFC/SPDF Online Open 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 NASA Heliophysics data products FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/explorer/explorer33/plasma_probe/3-min_interplanetary_plasma_param/ HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/explorer/explorer33/plasma_probe/3-min_interplanetary_plasma_param/ In CDF via HTTP from SPDF Text 11 MB The MIT Plasma Team and NSSDC Calibrated spase://SMWG/Instrument/Explorer33/FaradayCup ThermalPlasma 1966-07-06T00:00:00 1971-10-14T00:00:00 PT3M Heliosphere.NearEarth There are no spacecraft ephemeris data in this data set, as of September, 2010. Ion density Column_8 PT3M 1/cm**3 Ion NumberDensity Thermal speed Column_12 PT3M km/s Ion ThermalSpeed Flow speed Column_17 Made from aberration-corrected flow velocity PT3M km/s Ion FlowSpeed Flow direction angles Both aberrated (columns 10 and 11) and unaberrated (columns 15 and 16) flow directions are given, first longitude then latitude. PT3M deg Spherical GSE 2 2 Flow latitude and longitude angles, aberrated and unaberrated Ion ArrivalDirection