2.7.1 spase://NASA/Instrument/TRACERS/AnalyzerCuspIons TRACERS Analyzer of Cusp Ions (ACI) 2026-04-28T00:00:00 Ion measurements from 8 to 28k eV, 47 logarithmic-spaced energy steps, angular resolution of 22.5x6 degrees, cadence of 312 ms in ROI, and in BOR only 1 out 128 energy sweeps are saved so cadence of ~ 40 s. spase://SMWG/Person/Stephen.A.Fuselier InstrumentLead CoInvestigator spase://SMWG/Person/David.M.Miles PrincipalInvestigator spase://SMWG/Person/Lan.Jain MetadataContact spase://SMWG/Person/Scott.Boardsen MetadataContact Analyzer of Ion (ACI) https://doi.org/10.1007/s11214-025-01154-w Ion measurements from 8 to 28k eV, 47 logarithmic-spaced energy steps, angular resolution of 22.5x6 degrees, cadence of 312 ms in ROI, and in BOR only 1 out 128 energy sweeps are saved so cadence of ~ 40 s. ElectrostaticAnalyser Analyzer of Cusp Ions (ACI) spase://SMWG/Observatory/TRACERS