2.2.2 spase://NASA/NumericalData/IMP8/PLS/PT1H IMP 8 MIT 1-hour plasma data 2020-07-07T21:14:39Z IMP 8 MIT solar wind plasma parameters, hourly averages spase://SMWG/Person/Alan.J.Lazarus GeneralContact spase://VSPO/NumericalData/P_IMP8_HDR_MIT_1HR spase://VSPO/NumericalData/IMP8/PLS/PT1H spase://SMWG/Repository/NASA/GSFC/SPDF Online Open FTPBrowser https://omniweb.gsfc.nasa.gov/ftpbrowser/imp_mit.html FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/imp/imp8/plasma_mit/solarwind_hr/ HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/imp/imp8/plasma_mit/solarwind_hr/ In CDF via HTTP from SPDF in ASCII via ftp from MIT ftp://space.mit.edu/pub/plasma/imp/hr_avg/ Text CALIBRATED spase://SMWG/Instrument/IMP8/PLS ThermalPlasma 1973-10-30T00:00:00 -P6M The data at MIT are about 6 months behind current. The data at NSSDC are less current. PT1H Heliosphere.NearEarth