2.7.1 spase://NASA/Instrument/TRACERS/AnalyzerCuspElectrons TRACERS Analyzer of Cusp Electrons (ACE) 2026-04-28T00:00:00 Electron measurements from 20 eV to 13.5 keV, with angular resolution of 10x7 degrees, cadence of 50 ms to provide sub-kilometer resolution in the cusp in region of interest (ROI) and 6.4 s in back orbit (BOR). spase://SMWG/Person/Jasper.S.Halekas InstrumentLead CoInvestigator spase://SMWG/Person/David.M.Miles PrincipalInvestigator spase://SMWG/Person/Lan.Jain MetadataContact spase://SMWG/Person/Scott.Boardsen MetadataContact Analyzer of Cusp Electrons (ACE) https://doi.org/10.1007/s11214-025-01147-9 Electron measurements from 20 eV to 13.5 keV, with angular resolution of 10x7 degrees, cadence of 50 ms to provide sub-kilometer resolution in the cusp in region of interest (ROI) and 6.4 s in back orbit (BOR). ElectrostaticAnalyser Analyzer of Cusp Electrons (ACE) spase://SMWG/Observatory/TRACERS