FASR Frequency Agile Solar Radio (telescope array)

GCR galactic cosmic radiation

GEM Geospace Environment Modeling

GOES Geostationary Operational Environmental Satellite

HZE high Z energetic ion (Z > 2)

IMAGE Imager for Magnetopause-to-Aurora Global Exploration

IMF interplanetary magnetic field

ISS International Space Station

IV-CPDS intra-vehicular charged particle directional spectrometer

JSC Johnson Space Center

LEO low Earth orbit

LET Linear Energy Transfer

LWS Living With a Star

MARIE Mars Radiation Environment Experiment

MURI Multidisciplinary University Research Initiative

NASA National Aeronautics and Space Administration

NCRP National Council on Radiation Protection and Measurements

NOAA National Oceanic and Atmospheric Administration

NRC National Research Council

NSF National Science Foundation

RAM radiation area monitor

RHESSI Ramati High Energy Solar Spectrographic Imager

SAA South Atlantic Anomaly

SDO Solar Dynamics Observatory

SEC Space Environment Center

SEP solar energetic particle

SHINE Solar, Heliospheric, and Interplanetary Environment

SIREST Space Ionizing Radiation Environments and Shielding Tools

SOHO Solar and Heliospheric Observatory

SOLPENCO Solar Particle Engineering Code

SRAG Space Radiation Analysis Group

SSP solar and space physics

STEREO Solar Terrestrial Relations Observatory

TEPC tissue equivalent proportional counter

TIMED Thermosphere Ionosphere Mesosphere Energetics and Dynamics (mission)

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