SPACECRAFT

ts1 - tracers1 (data files renamed on SPDF site)

ts2 - tracers2 (data files renamed on SPDF site)

REGIONS

BOR- backorbit

ROI- region of interest

note: Only MAG and MAGIC have separate BOR & ROI  cdfs, they are combined into one CDF for the other datasets.

INSTRUMENTS

ACI - Analyzer of Cusp Ions

ACE- Analyzer of Cusp Electrons

EFI - Electric Fields Instrument

MAG - Fluxgate Magnetometer

MAGIC - MAGnetometers for Innovation and Capability

MSC - Magnetic search coil

DATASET SUFFIXES

BAC - B (magnetic) field and "ac" is for AC as in alternating current

BDC - B (magnetic) field and "dc" is for DC as in direct current

EAC - E (electric) field and "ac" is for AC as in alternating current

EDC - E (electric) field and "dc" is for DC as in direct current

IPD - Ion Particle Distribution (dataset)

DEF- Differential Energy Fluxes

COORDINATE FRAMES, for more detail on frames see appendix of https://doi.org/10.1007/s11214-025-01199-x

GEOPHYSICAL FRAMES

GEI - Geocentric Equatorial Inertial

GEO - Geographic

GSE - Geocentric Solar Ecliptic

GSM - Geocentric Solar Magnetic

SM - Solar Magnetic

MAG - Geomagnetic

FAC - Field-Aligned Coordinates

SPACECRAFT-SPECIFIC FRAMES

FVC - Field Velocity Coordinates

TFS - TRACERS Field Sun

TSS - TRACERS Spin Sun

TSCS - TRACERS Spacecraft Coordinate System (body fixed so rotates with spacecraft)

TBS - TRACERS Spinning Body (also body fixed so rotates with spacecraft)

NEC - North East Center