THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - PEM -
Full Name Particle Environment Monitor Status No longer operational
Instrument Agencies NASA Maturity
Instrument Type Magnetic field Geometry
Instrument Technology Space environment monitor Sampling Sounding
Data Access Data Format
Measurements and Applications PEM measures UV and charged particle energy inputs: determines type, amount, energy and distribution of charged particles injected into Earth's thermosphere, mesosphere and stratosphere.
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary
UV (~0.01 µm - ~0.40 µm)
Instrument Measurements
CategoryParameterAccuracy
Radiation budgetUpwelling (Outgoing) long-wave radiation at TOA 
Instrument Missions
UARS - Upper Atmosphere Research Satellite (1991 - 2005)
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