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Energetic particle hourly count rate data from the Pioneer 11 Charged Particle Instrument (CPI) of U. Chicago

The annual ASCII files of this data set, and extensive documentation, may be accessed here

Time span: 1973-04-06 to 1992-11-27

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Particles count rates
RID2P = ID-2 rate for 11-20 MeV protons [cps]
RID2HE = ID-2 rate for 11-20 MeV/nucleon helium [cps]
RID3P = ID-3 rate for 20-24 MeV protons [cps]
RID3HE = ID-3 rate for 20-24 MeV/nucleon helium [cps]
RID4P = ID-4 rate for 24-29 MeV protons [cps]
RID4HE = ID-4 rate for 24-29 MeV/nucleon helium [cps]
RID5P = ID-5 rate for 29-67 MeV protons [cps]
RID5HE = ID-5 rate for 29-67 MeV/nucleon helium [cps]
RID5E1 = ID-5 rate for 7-17 MeV electrons [cps]
RID5E2 = ID-5 rate for 2 x minimum-ionizing [cps]
RID7 = ID-7 + ID-13 integral rate for ions at E > 67 MeV/nucleon [cps]
RID7ZG5= ID-7 integral rate for Z > 5 ions at E > 67 MeV/nucleon [cps]

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NASA Official: Robert Candey (Robert.M.Candey@nasa.gov), Head of the Space Physics Data Facility