https://spdf.gsfc.nasa.gov/pub/data/imp/imp8/particles_gsfc/ 00readme.txt 30-min flux data from the GSFC/GME experiment are accessible from CDAWeb at http://cdaweb.gsfc.nasa.gov/cdaweb/sp_phys/ ------------------------------------------------------------ Related data and directories: SPDF Data and Orbits Services -------------- SPDF Contact: Natalia Papitashvili , Please acknowledge NASA's Space Physics Data Facility for data usage. Authorizing NASA Official: Dr. R.E. McGuire, Head, SPDF, NASA Goddard Space Flight Center 301-286-7794, e-mail: Robert.E.McGuire@nasa.gov -----------------------------------------------------------------------