2 ISEE Ion Data ivo://gov.nasa.gsfc.nssdc/SPMS-00560 NASA Dr. Kirk D. Borne Dr. Edwin J. Grayzeck Edwin.J.Grayzeck@nasa.gov solar wind space plasma ions magnetic fields mass spectra energy spectra velocity moments heliospheric magnetospheric physics Ion data from the Plasma Composition Experiment on ISEE-1 consist of a combination of (a) velocity moments for the four principal magnetospheric ion species H+, He++, He+, and O+, calculated in two different ways (using two different sets of assumptions) and covering the 0.01-0.1 and 0.1-16 keV/e energy ranges, (b) energy-angle spectra for the same four ions plus O++, covering the 0.01-17.9 keV/e range, and (c) mass spectra (<1 amu/e to about 150 amu/e) for four energy ranges, all derived once per each complete energy-mass scan cycle of the instrument, or once each 1- to 20-minute interval, depending on mode of operation, as well as (d) "total ion" moments, derived once per energy scan and assuming total count rate is due to H+ ions (0.1-16 keV). http://nssdc.gsfc.nasa.gov/database/MasterCatalog?ds=SPMS-00560 Archive University Research