2.7.1 spase://NASA/NumericalData/TRACERS/TRACERS2/Level2/ElectricFieldsInstrument/EAC/Variable NASA NumericalData TRACERS 2 Electric Fields Instrument (EFI) AC Electric Field, Level 2 (L2), Data ts2_l2_efi_eac DOI_DOI 2026-07-15T23:13:50.525Z 2026-07-15T09:38:52.838Z Only known prior ReleaseDate of the metadata, SAB The Spin-plane electric field vector, measured by the Electric Fields Instrument (EFI), in the TRACERS spinning frame (TSCS) is sampled. The sampling rate is 2048 samples/s. The sampling rate is the same in both Back Orbit (BOR) and Region of Interest (ROI), but the cadence of one 1024 contiguous set of samples is ~64 s (BOR) and ~0.0005 s (ROI) respectively. Both time series data and frequency spectra of the time series are included. Spectra are performed with a 512-point hanning window, with 7/8 overlap and consist of 256 linear frequencies between 0 and 256 Hz. Please Acknowledge the TRACERS TEAM, for rules of use https:/tracers.physics.uiowa.edu/rules-use Bonnell, John, W.; Miles, David, M.. 2026-07-15T23:13:50.525Z Space Physics Data Facility spase://SMWG/Person/John.W.Bonnell InstrumentLead CoInvestigator spase://SMWG/Person/David.M.Miles PrincipalInvestigator spase://SMWG/Person/TRACERS_SOC HostContact spase://SMWG/Person/Lan.Jian MetadataContact spase://SMWG/Person/Scott.Boardsen MetadataContact TRACERS MISSION https://tracers.physics.uiowa.edu/ TRACERS Electric Fields Instrument (EFI) https://doi.org/10.1007/s11214-025-01202-5 Electric field measurements with a sampling rate for EDC of 128 samples/s (ROI), 8 samples/s (BOR), EAC 2048 samples/s (ROI), electric field high frequency (EHF) 20e6 samples/s (ROI). For EAC and EHF the sampling rate is the same as the ROI, but the cadence is 16 s and 2048 s respectively. spase://placeholder/NoPriorID spase://SMWG/Repository/TRACERS_PDP Online Open HTTPS from the TRACERS SDC https://tracers.physics.uiowa.edu/l2-public-data-products In CDF via http from the TRACERS Science Data Center CDF None Please Acknowledge the TRACERS TEAM, for rules of use https:/tracers.physics.uiowa.edu/rules-use spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb Online Open FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/tracers/tracers2/efi/l2/eac/ In CDF via ftp from SPDF HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/tracers/tracers2/efi/l2/eac/ In CDF via http from SPDF CDAWeb https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=TS2_L2_EFI_EAC&index=sp_phys ts2_l2_efi_eac Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb CDF None Please Acknowledge the TRACERS TEAM, for rules of use https:/tracers.physics.uiowa.edu/rules-use spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb Online Open CDAWeb HAPI Server https://cdaweb.gsfc.nasa.gov/hapi ts2_l2_efi_eac Web Service to this product using the HAPI interface CSV Please Acknowledge the TRACERS TEAM, for rules of use https:/tracers.physics.uiowa.edu/rules-use Calibrated spase://NASA/Instrument/TRACERS/ElectricFieldsInstrument ElectricField 2025-08-04T22:57:34.000 -P6M PT99999.999S Earth.Magnetosphere Earth.NearSurface.Ionosphere Earth.NearSurface.Ionosphere.Topside Earth.NearSurface.AuroralRegion Earth.NearSurface.PolarCap Currently No Cavets Identified