https://collaborate.princeton.edu/en/publications/solar-wind-electron-proton-alpha-monitor-swepam-for-the-advanced-/
Solar wind electron proton alpha monitor (SWEPAM) for the advanced composition explorer - Princeton...
https://izw1.caltech.edu/ACE/ASC/level2/lvl2DATA_SWEPAM.html
ACE SWEPAM Level 2 Data
aceleveldata