Van Allen Probe B Energetic Particle, Composition, and Thermal Plasma Suite (ECT) Helium Oxygen Proton Electron, HOPE, Mass Spectrometer Pitch Angle resolved Science Data. Electron Fluxes, 15 eV to 50 keV, and Ion Fluxes, 1 eV to 50 keV, as measured in alternate Spin Cadence, Level 3, Release #4 (L3), 11.35 s Data

Van Allen Probe B, Energetic Particle, Composition, and Thermal Plasma Suite, ECT, Helium Oxygen Proton Electron, HOPE, Mass Spectrometer Pitch Angle resolved Science Data. Electron Fluxes from about 15 eV to 50 keV and Ion Fluxes from about 1 eV to 50 keV as measured in alternate Spin Cadence.

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Maintainer NASA Space Physics Data Facility
Last Updated September 15, 2026, 01:39 (UTC)
Created August 10, 2026, 22:04 (UTC)
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