IMP 8 UMD EECA 10.92m Rates, PHA

This data set, from the Electrostatic Energy-Charge Analyzer (EECA) part of the U. Maryland experiment on IMP 8, contains count rate and pulse height data enabling the computation of 10.92-min resolution fluxes of: singly ionized ions in 5 energy/charge windows of lower limits between 130 and 740 keV/Q; doubly charged ions in the same 5 keV/Q windows plus another at 65 keV/Q; ions with charge states between 5 and 8 in the same 6 keV/Q windows as for doubly charged ions plus another at 37 keV/Q; ions with charge states above about 10 at 37 and 65 keV/Q windows; 600-860 keV electrons. Some of the modes are spin integrated while others are given in 90 deg quadrants about the spacecraft spin vector (which is normal to the ecliptic plane). The data set was created at NSSDC from the U.Md.-provided "summary tapes" (NSSDC IDs SPHE-00170 and 73-078A-03C) by dropping engineering data, dropping data from the ULET portion of the overall experiment (the ULET instrument failed in 1978), and converting the remaining time, spacecraft position, and EECA instrument data from binary to ASCII representation. The data are available via ftp in 1- month files of variable lengths in the 3-6 MB size range.

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