University of Maryland Space Physics Group
Instrument History

Mission	Trajectory	Launch Date	Instrument	Description
IMP 7&8	Geocentric	September 23, 1972 October 26, 1973	EECA (Electrostatic Energy-Charge Analyzer)	E/q analyzer and solid state detectors
Voyager 1&2	Deep Space	September 5, 1977 August 20, 1977	LECP (Low Energy Charged Particle)	Solid state detectors dE/dx by E telescope
ISEE 1&3 - ICE	Geocentric / Lagrangian-Heliocentric	October 22, 1977 August 12, 1978	ULECA (Ultra-low Energy Charge Analyzer)	Solid state detectors with E/Q analyzer
AMPTE/CCE	Geocentric	August 16, 1984	CHEM (Charge-Energy-Mass Spectrometer)	TOF telescope with E/q analyzer and solid state detector
GAS/STS-28 Space Shuttle	Low Earth Orbit	1989	LAT (Large Area Telescope)	Solar energetic particles > 0.5 MeV/nucleon detection with position sensing
Ulysses	Heliocentric	October 6, 1990	SWICS (Solar Wind Ion Composition Spectrometer)	TOF telescope with E/q analyzer and solid state detector. Uses post-acceleration.
SAMPEX	Low Geocentric - Nearly Polar	July 3, 1992	LICA (Low-energy Ion Composition Analyzer)	Solar energetic particles > 0.5 MeV/nucleon detection with position sensing
Geotail	Geocentric	July 24, 1992	STICS (Super Thermal Ion Composition Spectrometer)	TOF Telescope with E/q analyzer and solid state detector
WIND	Lagrangian/Geocentric	November 1, 1994	MASS	Energy independent mass spectrometer with E/q analyzer and post acceleration
			STICS (Super Thermal Ion Composition Spectrometer)	TOF telescope with E/q analyzer and solid state detector
			STEP (Super Thermal Energetic Particles)	TOF/Solid state detectors
			SWICS (Solar Wind Ion Composition Spectrometer)	TOF telescope with E/q analyzer and solid state detector. Uses post-acceleration
SOHO	Lagrangian	December 2, 1995	MTOF (Mass-Time of Flight)	Energy independent mass spectrometer with E/q analyzer and post acceleration
ACE	Lagrangian	August 25, 1997	ULEIS (Ultra Low Energy Isotope Spectrometer)	TOF/Solid State Detectors
			SWICS (Solar Wind Isotope Composition Spectrometer)	TOF telescope with E/q analyzer and solid state detector. Uses post-acceleration.
			SWIMS (Solar Wind Isotope Mass Spectrometer)	Energy independent mass spectrometer with E/q analyzer and post acceleration
Cassini	Saturn Orbit	October 15, 1997	CHEMS (Charge-Energy-Mass Spectrometer)	TOF telescope with E/q analyzer and solid state detector
IMAGE	Geocentric	March 25, 2000	HENA (High Energy Neutral Atoms)	TOF with microchannel plate detectors, 10-500 keV
			LENA (Low Energy Neutral Atoms)	TOF with dispersive energy analysis, 10-500 eV
STEREO	Lagrangian	Oct. 25, 2006	SIT (Suprathermal Ion Telescope)	TOF/Solid state detectors