Bishops Acronym Guide
B.A.G.
The B.A.G. was first published in 2000. Below is a list of the versions:
- Edition 1. CEDAR Meeting 2000, 17 pgs.
- Edition 2. CEDAR-SCOSTEP Meeting 2001, 27 pgs.
- Edition 3. CEDAR Meeting 2003, 32 pgs.
- Edition 4. CEDAR/GEM Meeting 2005, 32 pgs.
- Edition 5. CEDAR Meeting 2007, 47 pgs.
- Edition 6. CEDAR-GEM Meeting 2011, 56 pgs.
Guidelines For Adding Acronyms
Acronyms must fall into one of the categories listed below to be added:
- Must be from a funded program (not proposed)
- Have appeared in a published scientific journal
- Sensors/instruments must either be built, collecting data, or funded
- Name of an agency, formal funding program, lab, or center
- Standard project/program management abbreviations (ex. DR: Design Review)
Space Science Acronyms
A
| AA | Auroral radio Absorption |
| AACGM | Altitude Adjusted Corrected GeoMagnetic |
| AAD | Australian Antarctic Division |
| AARDDVARK | Antarctic-Arctic Radiation-belt (Dynamic) Deposition - VLF Atmospheric Research Konsortium |
| ABI | Auroral Boundary Index |
| ACCENT | Atmospheric Chemistry of Combustion Emissions Near the Tropopause |
| ACE | Advanced Composition Explorer |
| ACES | Auroral Current and Electrodynamics Structures |
| ACF | Auto Correlation Functions |
| ACR | Anomalous Cosmic Rays |
| ADCS | Attitude Determination and Control Subsystem |
| ADEOS | ADvanced Earth Observation Satellite (Japan) |
| ADEP | ARTIST Data Editing and Printing |
| ADMS | Atmospheric Density Mass Spectrometer |
| AE | Atmosphere Explorer |
| AE | Auroral Electrojet index |
| AEPI | Atmospheric Emissions Photometric Imager |
| AES | Auger Electron Spectroscopy |
| AEU | Antenna Element Unit |
| AFB | Air Force Base |
| AFGL | Air Force Geophysical Laboratory |
| AFIT | Air Force Institute of Technology |
| AFOSR | Air Force Office of Scientific Research |
| AFRL | Air Force Research Lab |
| AFSCN | Air Force Satellite Control Network |
| AFSPC | Air Force SPace Command |
| AFWA | Air Force Weather Agency |
| AGILE | Astrorivelatore Gamma a Immagini Leggero |
| AGU | American Geophysical Union |
| AGW | Atmospheric Gravity Waves |
| AI | Asymmetry Index |
| AIDA | Arecibo Initiative in Dynamics of the Atmosphere |
| AIM | Aeronomy of Ice in the Mesosphere |
| AKR | Auroral Kilometric Radiation |
| AL | Auroral Electrojet Lower Limit Index |
| ALF | Absorption Limiting Frequency |
| ALIS | Airglow Limb Imaging System |
| ALOMAR | Arctic Lidar Observatory for Middle Atmospheric Research |
| ALOS | Advanced Land Observing Satellite
 |
| ALSP | Apollo Lunar Surface Probe |
| ALTAIR | ARPA Long-Range Tracking and Identification Radar |
| AMBER | African Meridian B-field Educational Research Array |
| AMCSR | Advanced Modular Coherent Scatter Radar |
| AMI | Aeronomic Models of the Ionosphere |
| AMIE | Assimilative Mapping of Ionospheric Electrodynamics |
| AMISR | Advanced Modular Incoherent Scatter Radar |
| AMOS | Air Force Maui Optical Station |
| AMPERE | Active Magnetospheric and Planetary Electrodynamics Response Experiment |
| AMPTE | Active Magnetospheric Particle Tracer Explorer |
| AMS | American Meteorological Society |
| ANDE | Atmospheric Neutral Density Experiment |
| ANGWIN | ANtarctic Gravity Wave Imaging Network |
| ANL | Argonne National Laboratory |
| AO | Arecibo Observatory |
| AO | Announcement of Opportunity |
| AO | Annual Oscillation |
| API | Advanced Propulsion Instruments |
| APL | Applied Physics Laboratory |
| ARCLITE | ARCtic LIdar TEchnology |
| ARCS | Atmospheric Responses to a Changing Sun |
| ARCUS | Arctic Research Consortium of the US |
| ARGOS | Advanced Research and Global Observation Satellite |
| ARIA | Atmospheric Response in Aurora |
| ARMADILLO | Atmosphere Related Measurements And Detection of subMILLimeter Objects |
| ARPA | Advanced Research Project Agency |
| ART | Algebraic Reconstruction Technique |
| ARTEMIS | Advanced Relay and TEchnology MIssion Satellite (ESA) |
| ASC | All-Sky Camera |
| ASDI | All-Sky Doppler Interferometer |
| ASI | All-Sky Imager |
| ASIM | Atmosphere Space Interaction Monitor |
| ASIP | All-Sky Imaging Photometer |
| ASPERA-4 | Analyzer of Space Plasmas and Energetic Atoms |
| ASPOC | Active Space Craft POtential Control |
| ASTER | Advanced Space borne Thermal Emission and Reflection Radiometer |
| ASTRA | Atmospheric & Space Technology Research Associates |
| ATM | ATMospheric Sciences Division (NSF) |
| ATS | Advanced Technology Satellite |
| ATST | Advanced Technology Solar Telescope |
| ATV | All-sky TeleVision camera |
| AU | Auroral Electrojet Upper Limit Index |
| AUSAC | Arecibo Users and Scientific Advisory Committee |
| AVHRR | Advanced Very High Resolution Radiometer |
| AVPST | Analysis of Variability of Precipitation and Surface Temperatures |
| AWG | American Wire Gauge |
| AZIS | AriZona Imaging Spectrograph |
B
| B3C | Bottomside C/NOFS Coordinate Campaign |
| BAG | Bishop's Acronym Guide |
| BAS | British Antarctic Survey |
| BATSE | Burst And Transient Source Experiment |
| BATS-R-US | Block-Adaptive-Tree-Solarwind-Roe-Upwind-Scheme |
| BBELF | BroadBand Extremely Low Frequency |
| BBE | BroadBand Electrons |
| BBF | Bursty Bulk Flows |
| BER | Bit Error Rate |
| BIMS | Bennett Ion Mass Spectrometer |
| BL | Boundary Layer |
| BLO | Bear Lake Observatory |
| BLPCOC | Boundary Layer Physics by COordinated CLUSTER Observations |
| BNSC | British National Space Agency |
| BPS | Boundary Plasma Sheet |
C
| C/A | Coarse Acquisition |
| C&DH | Command and Data Handling |
| CADITS | Coupling And Dynamics of the Ionosphere-Thermosphere System |
| CADRE | Cubesat investigating Atmospheric Density Response to Extreme driving |
| CAM | Community Atmospheric Model |
| CAMI | Civil Aerospace Medical Institute |
| CAMMICE | Charge And Mass Magnetospheric Ion Composition Experiment |
| CANOPUS | Canadian Auroral Network for the OPEN Program Unified Study |
| CAPE | Convective Available Potential Energy |
| CAPE | Chronograph Aerosol Photogrammetic Experiment |
| CAPER | Cleft Accelerated Plasma Experimental Rocket |
| CAPS | CAssini Plasma Spectrometer |
| CARE | Charged Aerosol Release Experiment |
| CASES | Connected Autonomous Space Environment Sensors |
| CASI | Canadian Aeronautics and Space Institute |
| CASIS | Center for the Advancement of Science in Space |
| CASPER | Center for Astrophysics, Space Physics and Engineering Research |
| CAT | Coordinated Analysis of the Thermosphere |
| CATS | Cloud Aerosol Transport System |
| CAWSES | Climate And Weather of the Sun-Earth-System |
| CBPLL | Common Bandwith Phase Lock Loop |
| CCCO | Committee on Climatic Changes and the Ocean |
| CCD | Charge Coupled Devices |
| CCE | Charge Composition Explorer |
| CCF | Cross-Correlation Function |
| CCM | Community Climate Model |
| CCMC | Community Coordinated Modeling Center |
| CD | Current Disruption model |
| CDAAC | Cosmic Data Analysis and Archive Centers (at UCAR) |
| CDAW | Coordinated Data Analysis Workshop |
| CDC | Cusp Diamagnetic Cavity |
| CDD | Current Disruption/Dipolarization |
| CDF | Common Data Format |
| CDPS | Cold Dense Plasma Sheet |
| CDR | Critical Design Review |
| CD-ROM | Compact Disc-Read Only Memory |
| CEDAR | Coupling, Energetics, and Dynamics of Atmospheric Regions |
| CEJ | CounterElectroJet |
| CEM | Channel Electron Multiplier |
| CEOS | Committee on Earth Observation Satellites |
| CEP | Cusp Energetic Particles |
| CEPPAD | Comprehensive Energetic Particle and Pitch Angle Distribution experiment |
| CERES | Clouds and the Earth's Radiant Energy System |
| CERTO | Coherent Electromagnetic Radio TOmography |
| CGD | Climate and Global Dynamics |
| CGLAT | Corrected Geomagnetic LATitude |
| CGRO | Compton Gamma Ray Observatory |
| CGS | Center for GeoSpace studies |
| CGSM | Canadian GeoSpace Monitoring |
| CHAMP | CHAllenging Mini-Satellite Payload |
| CHARS | Coronal-Hole-Active Region-Current Sheet |
| CHIMES | Compact Hyperspectral Imaging Module for Earth Science |
| CIDR | Coherent Ionospheric Doppler Receiver |
| CINDI | Coupled Ion-Neutral Dynamics Investigation |
| CIPS | Cloud Imaging and Particle Size experiment |
| CIR | Corotating Interaction Regions |
| CIRA | Cooperative Institute for Research in the Atmosphere |
| CIRA | COSPAR International Reference Atmosphere |
| CIRES | Cooperative Institute for Research in Environmental Sciences |
| CIS | Cluster Ion Spectrometry |
| CIS | Convective Ionospheric Storms |
| CISL | Computational and Information Systems Laboratory |
| CISM | Center for Integrated Space Weather Modeling |
| CIT | Computerized Ionospheric Tomography |
| CIV | Critical Ionization Velocity experiment |
| CL | Critical Layer |
| CLAES | Cryogenic Limb Array Etalon Spectrometer |
| CMAM | Canadian Middle Atmosphere Model |
| CMAT | Coupled Middle Atmosphere and Thermosphere model |
| CME | Coronal Mass Ejection |
| CMI | Cyclotron Maser Instability |
| CMIS | Conical-scanning Microwave Imager/Sounder |
| CNA | Cosmic radio Noise Absorption |
| C/NOFS | Communication/Navigation Outage Forecast System |
| COADS | U.S. Comprehensive Oceans-Atmospheres Data Set |
| CODA | Coupling of Dynamics and Aurora |
| CODIF | Composition and Distribution Function |
| CO-I | CO-Investigator |
| CONUS | CONtiguous United States |
| COPE | Cooperative Observations of Polar Electrodynamics |
| COPEX | COnjugate Point EXperiment |
| COPP | COronal Physical Processes |
| COPUOS | UN COmmittee on Peaceful Uses of Outer Space |
| COSMIC | Constellation Observing System for Meteorology, Ionosphere, and Climate |
| COSPAR | Committee On SPAce Research |
| COTIF | CEDAR Optical Tomography Imaging Facility |
| COTS | Commercial Off The Shelf |
| CPA | Charging Plate Analyzers |
| CPEA | Coupling Processes in the Equatorial Atmosphere |
| CPS | Central Plasma Sheet |
| CRAND | Cosmic Ray Albedo Neutron Decay |
| CRB | Convection Reverse Boundary |
| CRCM | Comprehensive Ring Current Model |
| CRIS | Cosmic Ray Isotope Spectrometer |
| CRPL | Central Radio Propagation Laboratory |
| CRRES | Chemical Release and Radiation Effects Satellite |
| CRU | Climate Research Unit |
| CSA | Canadian Space Agency |
| CSD | Covariance Spectral Density |
| CSEM | Center for Space Environment Modeling |
| CSG | CAWSES Streering Groups |
| CSPAR | Center for Space Plasma and Aeronomic Research |
| CSSC | CEDAR Science Steering Committee |
| CSSG | CAWSES Science Steering Groups |
| CSSP | Committee on Solar and Space Physics |
| CSSW | Colorado Student Space Weather experiment |
| CSTR | Committee on Solar-Terrestrial Relations |
| CSW | Committee for Space Weather |
| CTECS | Compact Total Electron Content Sensor |
| CTIM | Coupled Thermosphere Ionosphere Model |
| CTIP | Coupled Thermosphere-Ionosphere-Plasmasphere Model |
| CTIP | Cubesat Tiny Ionospheric Photometer |
| CTIPe | Coupled Thermosphere Ionosphere Plasma electrodynamics |
| CUPRI | Cornell University Portable Radar Interferometer |
| CUTLASS | Co-operative UK Twin Auroral Sounding System |
D
| DA | Data Assimilation |
| DAAC | Distributed Active Archive Center |
| DAMSON | Doppler And Multipath SOunding Network |
| DAO | Data Assimilation Office (NASA) |
| DARPA | Defense Advanced Research Projects Agency |
| DASI | Digital All-Sky Imager |
| DASI | Distributed Array of Small Instruments |
| DAWEX | Darwin Area Wave EXperiment |
| DBS | Direct Broadcasting Satellite receivers |
| DCS | Differential Cross Section |
| DD | Directional Discontinuities |
| DDEF | Disturbance Dynamo Electric Field |
| DDRE | Director Defense Resource and Engineering |
| DE | Dynamics Explorer |
| DE-LANG | Dynamics Explorer LANGmuir Probe Instrument |
| DEMETER | Detection of ElectroMagnetic Emission Transmitted From Earthquake Regions |
| DEWD | Densities and East-West Drifts |
| DF | Dipolarization Fronts |
| DIAL | DIfferential Absorption Lidar |
| DICE | Dynamic Ionosphere Cubesat Explorer |
| DIDM | Digital Ion Drift Meter |
| DISC | Digital Imaging Space Camera |
| DISS | Digital Ionospheric Sounding System |
| DIT | Discrete Inverse Theory |
| DLL | Delay Locked Loop |
| DM | Drift Meter |
| DMC | DiaMagnetic Cavity |
| DMI | Danish Meteorological Institute |
| DMSG | Defense Meteorological Systems Group |
| DMSP | Defense Meteorological Satellite Program |
| DOC | DataLynx Operating Center |
| DoD | Department of Defense |
| DoE | Department of Energy |
| DoI | Department of Interior |
| DOP | Dilution Of Precision |
| DOY | Day Of Year |
| DoT | Department of Transportation |
| DPU | Data Processing Unit |
| DRA | Defense Research Agency (UK) |
| DrAAMER | Drake Antarctic Agile MEteor Radar |
| DREAM | Dynamic Radiation Environment Assimilation Model |
| DRIVE | Diversify, Realize, Integrate, Venture, Educate |
| DSI | Deep Space I probe |
| DSP | Digital Signal Processing |
| DSS | Decision Support Systems |
| Dst | Disturbance Storm Time index |
| DSX | Demonstartion Science EXperiment |
| DTM | Drag Temperature Model |
| DVD | Density Vertical Drift |
| DWP | Digital Wave Processor |
| DWSS | Defense Weather Satellite System |
| DWTS | Doppler Wind and Temperature Sounder |
| DYANA | DYnamics Adapted Network for the Atmosphere |
E
| EADEX | Equatorial Atmosphere Dynamics Experiment |
| EAR | Equatorial Atmosphere Radar |
| EAW | Electron Acoustic Waves |
| EBC | Energy Budget Campaign |
| ECH | Electron Cyclotron Harmonic |
| ECP | Evening Co-rotating Patch |
| ECPC | Expanding-Contracting Polar Cap |
| ECR | Electron Cyclotron Resonance |
| ECS | Equivalent Current System |
| EDAM | Electron Density Assimilative Model |
| EDI | Electron Drift Instrument |
| EDP | Electron Density Profiles |
| EDR | Environmental Data Record |
| EE | Eruptive Event |
| EEA | Electron Electrostatic Analyzer |
| EED | Energetic Electron Detector |
| EEJ | Equatorial ElectroJet |
| EFI | Equatorial F region Irregularities |
| EFW | Electric Fields and Waves |
| EGNOS | European Geostationary Navigation Overlay System |
| EGS | European Geophysical Society |
| EGY | Electronic Geophysical Year |
| eGY | Electronic Geophysical Year |
| eHY | Electronic Heliospheric Year |
| EIA | Equatorial Ionization Anomaly |
| EICS | Energetic Ion Composition Spectrometer |
| EIS | EUV Imaging Spectrometer |
| EISCAT | European Incoherent SCATter Facility |
| EIT | Equatorial Ionosphere-Thermosphere System |
| EIT | Extreme Infrared Telescope |
| ELF | Extreme Low Frequency |
| ELV | Expendable Launch Vehicle |
| EMA | Equatorial Mass density Anomaly |
| EMAD | Equatorial Middle Atmosphere Dynamics |
| EMFI | Electric and Magnetic Field Instrument |
| EMIC | ElectroMagnetic Ion Cyclotron |
| EMDE | Equatorial Magnetic Depression Events |
| EMP | ElectroMagnetic Pulse |
| EMPIRE | Estimating Model Parameters from Ionosphere Reverse Engineering |
| ENA | Energetic Neutral Atom |
| ENSO | El-Nino Southern Oscillation |
| EOS | Earth Observing System |
| EPB | Equatorial Plasma Bubble |
| EPCI | Electron Pederson Conductivity Instability |
| EPCO | Early Polar Cap Observatory |
| EPIC | Equatorial Processes Including Coupling |
| EPM | Energetic Particle Meter |
| E/PO | Education and Public Outreach |
| EPTA | Equatorial Plasma Temperature Anomaly |
| ePY | Electonic Polar Year |
| ERBE | Earth Radiation Budget Experiment |
| EROS | Electronic Radio Occultation Server |
| ERS | Earth Remote Sensing Satellite (ESA) |
| ESA | European Space Agency |
| ESD | ElectroStatic Discharge |
| ESF | Equatorial Spread-F |
| ESF | European Science Foundation |
| ESM | Equipment Support Module |
| ESMF | Earth System Modeling Framework |
| ESOC | European Space Operations Center |
| ESP | Earth Science Portal |
| ESSA | Environmental Science Services Administration |
| E-STAR | European- Solar Terrestrial and Atmospheric Research |
| ESTEC | European Space Research and TEchnological Center |
| ESTO | Earth Science Technology Office |
| ETA | Equatorial Temperature Anomaly |
| ETWA | Equatorial Temperature and Wind Anomaly |
| EUMETSAT | EUropean Organization for the Exploitation of METeorological SATellites |
| EUV | Extreme UltraViolet |
| EUVAC | EUV flux model for Aeronomic Calculations |
| EUVIP | Extreme UltraViolet Imaging Photometer |
| EVA | ExtraVehicular Activity |
| EXOCUBE | composition variations in the EXOsphere, thermosphere, and topside ionosphere CUBEsat |
F
| FAA | Federal Aviation Administration |
| FAC | Field Aligned Currents |
| FAI | Field Aligned Irregularities |
| FAIM | Fully Analytic Ionospheric Model |
| FAST | Fast Auroral SnapshoT |
| FASTRAC | Formation Autonomy Spacecraft with Thrust, Relnav, Attitude, and Crosslink |
| FBI | Farley-Buneman Instability |
| FCI | Flow Channel Injection |
| FCMSSR | Federal Committee for Meteorological Services and Supporting Research |
| FDSS | Faculty Development in Space Sciences |
| FDTD | Finite Difference Time Domain |
| FFS | Fast Forward Shock |
| FGM | Flux Gate Magnetometer |
| FIREBIRD | Focused Investigations of Relativistic Electron Burst Intensity, Range, and Dynamics |
| FISM | Flare Irradiance Spectral Model |
| FLC | Field Line Curvature |
| FLIP | Field Line Inter-hemispheric Plasma model |
| FLIRE | Field-aligned Link Ionospheric Imaging Radar Experiment |
| FLR | Field Line Resonance |
| FLWR | Flexible Low power Wideband Receiver |
| FM-CW | Frequency Modulated Continuous Wave |
| FOD | Foreign Object Detection |
| FokRC | Fok Ring Current |
| FOV | Field Of View |
| FPI | Fabry-Perot Interferometer |
| FPS | Fabry-Perot Spectrometer |
| FS | Fine Structure |
| FSW | Flight SoftWare |
| FTE | Flux Transfer Events |
| FUSE | Far Ultraviolet Spectroscopic Explorer |
| FUVI | Far UltraViolet Imager |
G
| GAEM | Global Atmospheric Electricity Measurement Program |
| GAIA | Ground-to-topside model of the Atmosphere and Ionosphere for Aeronomy |
| GAIM | Global Assimilation of Ionospheric Measurements |
| GAIM | Global Assimilation of Ionospheric Models |
| GALE | Giant Aperture LIDAR Experiment |
| GAPS | Global Aspects of Plasma Structures |
| GASP | Global Atmospheric Sampling Program |
| GATOM | GNSS Air Traffic Operations Model |
| GBJ | Gigantic Blue Jets |
| GBM | Gamma-ray Burst Monitor |
| GBOA | Ground Based Optical Aeronomy |
| GC | Guiding Center theory |
| GCM | General Circulation Model |
| GCN | Ground Communications Network |
| GCP | Great Circle Path |
| GCP | Global Core Plasma model |
| GCR | Galactic Cosmic Radiation (Rays) |
| GEC | Global Electrodynamic Connections |
| GECMA | Global Electrodynamics and Coupling through the Middle Atmosphere |
| GED | Global Electro-Dynamics Mission |
| GEDDS | Geospace Environment Data Display System |
| GEM | Geospace Environment Modeling Program |
| GEMS | Global Environment Monitoring Systems |
| GENI | Global Energetic Neutral Index |
| GENESIS | Global Environmental and Earth Science Information System |
| GEO | GEOsciences Directorate (NSF) |
| GEO | GEOsynchronous orbit |
| GEONET | GPS Earth Observation NETwork |
| GFDL | Geophysical Fluid Dynamics Laboratory |
| GFE | Government Furnished Equipment |
| GFM | Global Field Model |
| GFO | GEOSAT Follow On |
| GFS | Global Forecast System |
| GGCM | Global Geospace Circulation Model |
| GGS | Global Geospace Science |
| GHCN | Global Historical Climatology Network |
| GI | Global Interactions |
| GIC | Geomagnetically Induced Currents |
| GIC | Geoeffective Ionospheric Currents |
| GIFT | Global Ionospheric Forecasting Techniques |
| GILS | Government Information Locator Service |
| GIME | Global Imaging of Magnetospheric Electrodynamics |
| GIMI | Global Imaging Monitor of the Ionosphere |
| GIP | Global Ionosphere-Plasmasphere |
| GIRO | Global Ionospheric Radio Observatory |
| GISS | Goddard Institute for Space Studies |
| GISTM | GPS Ionospheric Scintillation and TEC Monitor |
| GIVE | Grid Ionospheric Vertical Errors |
| GLAS | Geoscience Laser Altimeter System |
| GLE | Ground Level Enhancement |
| GLIMS | Global LIghtning and sprite MeasurmentS |
| GM | Global Magnetosphere |
| GMC | Geosynchronus Mangntopause Crossing |
| GMFK | Gauss-Markov Kalman Filter model |
| GML | GeoMagnetic Latitude |
| GMT | Greenwich Mean Time |
| GNSS | Global Navigation Satellite Systems |
| GOES | Geostationary Operational Environmental Satellite |
| GOLD | Geophysical On-Line Data |
| GONG | Global Oscillation Network Group |
| GOX | GPS Occultation eXperiment |
| GPRA | Government Performance Report Act |
| GPS | Global Positioning System |
| GPS/MET | Global Positioning System/METeorology |
| GRACE | Gravity Recovery And Climate Experiment |
| GRATMAC | GRAvity waves and Turbulence in the Middle Atmosphere Cooperation |
| GRI | Gravitational Rayleigh-Taylor Instability |
| GRL | Geophysical Research Letters |
| GRO | Gamma Ray Observatory |
| GSE | Ground Support Equipment |
| GSE | Geocentric Solar Earth |
| GSFC | Goddard Space Flight Center |
| GSFE | Geomagnetic Solar Flare Effect |
| GSM | Geocentric Solar Magnetic |
| GSTV | Global Scale Tidal Variability |
| GSWM | Global Scale Wave Model |
| GUVI | Global UltraViolet Imager |
| GW | Gravity Waves |
| GWB | Gravity Wave Breaking |
| GWIM | Global Wave Imager and Mapper |
H
| HAARP | High-frequency Active Auroral Project |
| HAFB | Hanscom Air Force Base |
| HAIL | Holographic Array for Ionospheric Lidar |
| HALOE | HALogen Occultation Experiment |
| HAMMONIA | HAMburg MOdel for the Neutral & Ionized Atmosphere |
| HAO | High Altitude Observatory |
| HAPI | High Altitude Plasma Instrument |
| HASDM | High Accuracy Satellite Drag Model |
| HATI | Hanson Anemometer for Thermospheric Investigations |
| HCS | Heliospheric Current Sheet |
| HD | Harang Discontinuity |
| HDPTA | High Density Peruvian Tomography Array |
| HENA | High Energy Neutral Atom imager |
| HEO | Highly Elliptical Orbit |
| HERS | High Energy Range Spectrometer |
| HESSI | High Energy Solar Spectroscopic Imager |
| HEUVAC | High-resolution solar EUV irradiance model for Aeronomic Calculations |
| HF | High Frequency (radar) |
| HGI | HelioGraphic Inertial |
| HGR | HelioGraphic Rotating |
| HI | Heliospheric Imager |
| HIBAR | High Bandwidth Auroral Rocket |
| HILAT | HIgh LATitude Satellite |
| HILT | Heavy Ion Large area proportional counter Telescope |
| HIRAAS | HIgh Resolution Airglow and Aurora Spectroscopy experiment |
| HIRDLS | HIgh Resolution Dynamics Limb Sounder |
| HIREX | HIgh-Resolution X-ray EXplorer |
| HIRISE | High Resolution Imaging Spectrograph using an Echelle grating |
| HIRS | High-Resolution Infrared Radiation Sounder |
| HITIES | HIgh Throughput Imaging Echelle Spectrograph |
| HITS | High resolution Ionosphere Thermosphere System |
| HLPS | High Latitude Plasma Structures |
| HP | Hemispheric Power |
| HPAC | HelioPhysics Advisory Committee |
| HPLA | High-Power Large Aperture radar |
| HRDI | High Resolution Doppler Imager |
| HSS | High Speed Stream |
| HST | Hubble Space Telescope |
| HTI | Height-Time Intensity |
| HXT | Hard X-ray Telescope |
I
| I3RC | Inter-comparison of 3-D Radiation Codes |
| IAGA | International Association of Geomagnetism and Aeronomy |
| IAMAS | International Association of Meteorology and Atmospheric Sciences |
| IAR | Ionospheric Alfven Resonator |
| IAW | Inertial Alfven Wave |
| I&T | Integration and Testing |
| IBEX | Interstellar Boundary EXplorer |
| ICD | Interface Control Document |
| ICES | ISS Cubesat Ejection System |
| ICMA | IAMAS Commission for the Middle Atmosphere |
| ICMC | International Complete Meridian Chain |
| ICME | Interplanetary Coronal Mass Ejection |
| ICMSSR | Interdepartmental Committee for Meteorological Services and Supporting Research |
| ICON | Ionospheric CONnection explorer |
| ICRCCM-2 | Inter-Comparison of Radiation Codes for use in Climate Models |
| ICSU | International Council of Scientific Unions (International Council for Science) |
| ICSWIAS | International Committee for Space Weather Impacts to Aviation Safety |
| IDA3D | Ionospheric Data Assimilation 3-Dimensional |
| IDEA | Integrated Dynamics through Earth’s Atmosphere |
| IDI | Imaging Doppler Interferometer |
| IDL | Interactive Data Language |
| IDM | Internal Discharge Monitor |
| IDM | Ion Drift Meter |
| IDT | Instrument Development Team |
| IEC | Integrated Electron Content |
| IEC | Ionospheric Electron Content |
| IEF | Interplanetary Electric Field |
| IF | Intermediate Frequency |
| IFI | Ionospheric Feedback Instability |
| IFM | Ionospheric Forecasting Model |
| IGAC | International Global Atmospheric Chemistry Project |
| IGP | Ionospheric Grid Point |
| IGPP | Institute of Geophysics and Planetary Physics |
| IGRF | International Geomagnetic Reference Field |
| IGS | International GPS Service |
| IGY | International Geophysical Year |
| IH | Inner Heliosphere |
| IHS | International Heliospheric Study |
| IHY | International Heliospheric Year |
| IIP | Instrument Incubator Program |
| IIR | Infinite Impulse Response filter |
| IISL | International Institute of Space Law |
| ILAS | Improved Limb Atmospheric Spectrometer |
| ILWS | International Living With a Star |
| IMAGE | International Monitor for Auroral Geomagnetic Effects |
| IMAGE | Imager for Magnetopause-to-Aurora Global Exploration |
| IMAP | Ionosphere, Mesosphere, upper Atmosphere, Plasmasphere Mapper |
| iMESA | Integrated Miniaturized Electrostatic Analyzer |
| IMF | Interplanetary Magnetic Field |
| IMI | Inner Magnetosphere Imager |
| IMP | Interplanetary Monitoring Platform |
| IMPACT | Investigation of Magnetospheric Particles Acceleration and Turbulence |
| IMS | International Magnetospheric Study |
| IMS | Ion Mass Spectrometer |
| IMS | Ionospheric Measuring System |
| IMSAC | Inner Magnetosphere/Storms Assessment Challenge |
| IMU | Inertial Measurement Units |
| INAG | Ionosonde Network Advisory Group |
| INMS | Ion Neutral Mass Spectrometer |
| InVEST | In-space Validation of Earth Science Technologies |
| IOC | Intergovernmental Oceanographic Commission |
| IONEX | IONospher EXperiment |
| IONS | Iontercontinental Chemical Transport Experiment Ozonsonde Network Study |
| IOP | Intensive Operation Period |
| IOX | Ionospheric Occultation EXperiment |
| IPCC | Intergovernmental Panel on Climate Change |
| IPEI | Ionosphere Plasma Electrodynamic Instrument |
| IPEMAC | Investigation of the Ionospheric Plasma Escape and MAgnetosphere Coupling |
| IPHA | Indirect Phase Height Analysis |
| IPM | Ionosphere Plasmasphere Model |
| IPP | Ionospheric Penetration Point |
| IPS | InterPlanetary Scintillation |
| IPS | Ionospheric Prediction Service (Australian Bureau of Meteorology) |
| IPY | International Polar Year |
| IQSY | International Quiet Sun Year |
| IR&D | Instrument Research & Development |
| IRB | Inner Radiation Belt |
| IRI | International Reference Ionosphere |
| IRM | Ion Release Module |
| IRO | Ionospheric Radio Occultation |
| ISAS | Institute for Space and Astronautical Science of Japan |
| ISCCP | International Satellite Cloud Climatology Project |
| ISCS | International Solar Cycle Studies |
| ISEA | International Symposium on Equatorial Aeronomy |
| ISEE | International Sun Earth Explorer |
| ISES | International Space Environment Service |
| ISF | International Science Foundation |
| ISGI | International Service of Geomagnetic Indices |
| ISIS | International Satellite For Ionospheric Study |
| ISIS | Intercepted Signals for Ionospheric Science |
| ISO | Intra-Seasonal Oscillation |
| ISP | Ionosphere Storm Probes |
| ISR | Incoherent Scatter Radar |
| ISRO | Indian Space Research Organization |
| ISS | International Space Station |
| ISTP | International Solar-Terrestrial Physics |
| ISU | International Space University |
| ISUAL | Imager of Sprites and Upper Atmospheric Lightning |
| ISV | Intra-Seasonal Variations |
| ISY | International Space Year |
| IT | Ion Trap |
| IT | Information Technology |
| I-T | Ionosphere Thermosphere |
| ITCZ | Inter-Tropical Convergence Zone |
| ITI | Information Technology Infrastructure |
| ITM | Ionosphere Thermosphere Magnetosphere |
| ITSP | Ionosphere Thermosphere Storm Probes |
| IUCAF | Inter-Union Commission on the Allocation of Frequencies for Radio Astronomy and Space Science |
| IUE | International Ultraviolet Explorer |
| IUGG | International Union of Geodesy and Geophysics |
| IUPAP | International Union on Pure and Applied Physics |
| IV&V | Integration Vibration and Vacuum |
| IVI | Ion Velocity Instrument |
| IVM | Ion Velocity Meter |
| IZMIRAN | Institute of Terrestrial, Magnetism, Ionosphere, and Radiowave Propagation of the Russian Academy of Sciences |
J
| JAG | Joint Association of Geophysics |
| JASTP | Journal of Atmospheric and Solar- Terrestrial Physics |
| JATP | Journal of Atmosphere and Terrestrial Physics |
| JAXA | Japan Aerospace Exploration Agency |
| JEM-EF | Japanese Experiment Module- Exposed Facility |
| JGR | Journal of Geophysical Research |
| JIM | Jovian Ionospheric Model |
| JISAO | Joint Institute for the Study of Atmosphere and Ocean |
| JMA | Japan Meteorological Agency |
| JPDO | Joint Planning and Development Office |
| JPL | Jet Propulsion Laboratory |
| JRO | Jicamarca Radar Observatory |
| JSC | Johnson Space Center |
K
| KAFB | Kirtland Air Force Base |
| KDI | Knowledge and Distributed Intelligence |
| KFPLL | Kalman Filter Phase Lock Loop |
| KH | Kelvin-Helmholtz instability or waves |
| KHI | Kelvin-Helmholtz Instability |
| KRM | Kamide-Richmond-Matsushita Method |
| KSC | Kennedy Space Center |
L
| LADEE | Lunar Atmospheric and Dust Environment Explorer |
| LALO | Large Atmosphere LIDAR Observatory |
| LANL | Los Alamos National Laboratory |
| LASA | Los Alamos Sferic Array |
| LASCO | Large Aperture Solar Coronal Observatory |
| LASCO | Large Angle and Spectrometric Coronograph |
| LASP | Laboratory for Atmospheric and Space Physics |
| LBC | Lower-Band Chorus |
| LBH | Lyman-Birge-Hopfield Bands |
| LBHL | LBH Long |
| LBHS | LBH Short |
| LCP | Long Coded Pulse |
| LCROSS | Lunar Crater Observation and Sensing Satellite |
| LDAR | Lightning Detection And Ranging System |
| LDE | Long Duration Events |
| LDEF | Long Duration Exposure Facility |
| LEMMS | Low-Energy Magnetospheric Measurement System |
| LENA | Low Energy Neutral Atom imager |
| LEO | Low Earth Orbit |
| LEP | Lightning Electron Precipitation |
| LEPA | Low Energy Plasma Analyzer |
| LET | Linear Energy Transfer rate |
| LF | Low Frequency |
| LFM | Lyon-Fedder-Mobarry model |
| LHR | Lower Hybrid Resonance |
| LICA | Low-energy Ion Composition Analyzer |
| LIDAR | LIght Detection And Ranging |
| LIE | Lightning-induced Ionization Enhancement |
| LISN | Low-latitude Ionospheric Sensor Network |
| LLBL | Low Latitude Boundary Layer |
| LMD | Linear Magnetic Decrease |
| LNA | Low Noise Amplifier |
| LoFAR | Low Frequency ARray |
| LOI | Letters Of Intent |
| LONESTAR | Low earth Orbiting Navigation Experiment for Spacecraft Technology, Autonomous Rendezvous, and docking |
| LORAAS | LOw Resolution Airglow and Aurora Spectrograph |
| LOS | Line-Of-Sight |
| LPU | Least Publishable Unit |
| LRO | Lunar Reconnaissance Orbiter |
| LRPC | Long-Range Planning Committee |
| LRR | Launch Readiness Review |
| LSA | Limited Space-charge Accumulation |
| LST | Local Solar Time |
| LSTID | Large-Scale Traveling Ionospheric Disturbances |
| LT | Local Time |
| LTCS | Lower Thermosphere Coupling Studies |
| LTT | Latitude-Time-TEC |
| LUF | Lowest Usable Frequency |
| LV | Launch Vehicle |
| LWPC | Long Wave Propagation Capability |
| LWS | Living With a Star |
| LWS TR&T | Living With a Star Targeted Research & Technology |
M
| MAC | Middle Atmosphere Cooperation |
| MACCM3 | Middle Atmosphere CCM |
| MACCS | Magnetometer Array for Cusp and Cleft Studies |
| MACEP | Mapping of AMIE Convection Electric Potentials |
| MAGCON | MAGnetosphere CONstellation |
| MagEIS | Magnetic Electron Ion Spectrometer |
| MAGIC | Magnetometer Array on the Greenland Ice Cap |
| MAGPIES | MAGnetospheric Plasma Imaging Explorer Satellites |
| MALT | Mesosphere And Lower Thermosphere |
| MAP | Middle Atmosphere Program |
| MARSIS | Mars Advanced Radar for Subsurface and Ionosphere Sounding |
| MART | Multiplicative Algebraic Reconstruction Technique |
| MAST | Mass Spectrometer Telescope |
| MAT | Marine Atmospheric Temperature |
| MATC | Middle Atmosphere and Tropospheric Climate |
| MC | Magnetic Cloud |
| MCAL | MiniCALorimeter |
| MCC | Mission Control Center |
| MCD | Magnetotail Constellation Draco |
| MCE | Multi-mission Consolidated Equipment |
| MCISTP | Magnetotail Campaign Collaborating with International Solar-Terrestrial Physics Missions |
| McMAC | Mid-continent MAgnetoseismic Chain |
| MCP | Micro Channel Plate |
| MCRA | Minor Constituent Reference Atmosphere |
| MCS | Mesoscale Convective System |
| MD | Magnetic Decrease |
| MDI | Michelson Doppler Imager |
| MDM | Midnight Density Maximum |
| MEASURE | Magnetometers along the Eastern Atlantic Seaboard for Undergraduate Research and Education |
| MEDAC | Meteor Echo Detection And Collection |
| MENA | Medium Energy Neutral Atom Imager |
| MEO | Medium Earth Orbit |
| MESA | Miniaturized ElectroStatic Analyzer |
| MET | Marshall Engineering Thermosphere |
| MF | Medium Frequency (radar) |
| MFSM | Magnetospheric Forecast and Specification Model |
| MHD | MagnetoHydroDynamics |
| MHTEX | Massive Heat Transfer Experiment |
| MIC | Mission Initiation Conference |
| MIC | Magnetosphere Ionosphere Coupling |
| MICA | Magnetosphere-Ionosphere Coupling in the Alfven resonator |
| MICAS | Miniature Integrated Camera Spectrometer |
| MICET | Magnetosphere Ionosphere Coupling Electrodynamics and Transport |
| MICPAD | Magnetosphere-Ionosphere Coupling and Polar Auroral Dynamics |
| MICS | Magnetosphere Ionosphere Coupling Satellite |
| MIDAS | Multi Instrument Data Analysis System |
| MIDEX | Medium Class EXplorer |
| MIDP | Mars Instrument Development Program |
| MIE | Magnetic Impulse Event |
| MIES | Mini Imaging Electron Spectrometer |
| MIL | Mesosphere Inversion Layer |
| MIME | Multipurpose Internet Mail Extensions |
| MIP | Model Intercomparison Projects |
| MIRACLE | Magnetometers-Ionospheric Radars-All-Sky Cameras Large Experiment |
| MISA | Millstone Ionospheric Steerable Antenna |
| MISETA | Multi-Instrument Studies of Equatorial Thermospheric Aeronomy |
| MISR | Multi-angle Imaging SpectroRadiometer |
| MISSE | Materials on the ISS Experiment |
| MIST | Magnetosphere Ionosphere and Solar Terrestrial |
| MIST | Mesoscale Ionosphere Simulation Testbed |
| MITM | Mesosphere Ionosphere Thermosphere Magnetosphere |
| MIT | Midlatitude Ionospheric Trough |
| MLAT | Magnetic LATitude |
| MLD | Mid Latitude Disturbances |
| MLON | Magnetic LONgitude |
| MLS | Microwave Limb Sounder |
| MLT | Magnetic Local Time |
| MLT | Mesosphere and Lower Thermosphere |
| MLTCS | Mesosphere Lower-Thermosphere Coupling Study |
| MM | Mirror Mode |
| MME | Man-Made Events |
| MMS | Magnetosphere MultiScale |
| MOA | Memorandum of Agreement |
| MOC | Mission Operation Center |
| MODA | Magneto Optic Doppler Analyzer |
| MODIS | MODerate-resolution Imaging Spectroradiometer |
| MODOR | MODule foR Dynamic Outflow Response |
| MOMLA | Modeling Of Possible Solar Variability Effects in the Middle and Lower Atmosphere |
| MOPITT | Measurements Of Pollution In The Troposphere |
| MOPS | Minimum Operational Performance Standard |
| MOU | Memorandum Of Understanding |
| MP | MagnetoPause |
| MPA | Magnetospheric Plasma Analyzer |
| MPAE | Max-Planck Institute for Aeronomy |
| MPI | Max-Planck Institute |
| MPI | Method Passing Interface |
| MPL | MicroPulse Lidar |
| MR | Magnetospherically Reflected |
| MRF | Mobile Research Facility |
| MREF | Major Research Equipment and Facility |
| MREFC | Major Research Equipment and Facilities Construction NSF award |
| MRI | Mid-Range Infrastructure NSF award |
| MRR | Mission Readiness Review |
| MSFC | Marshall Space Flight Center |
| MSAS | MTSAT Satellite-based Augmentation System |
| MSIS | Mass Spectrometer and Incoherent Scatter Model |
| MSM | Magnetospheric Specification Model |
| MSNA | Milatitude Summer Nighttime Anomaly |
| MSP | Meridian Scanning Photometer |
| MSS | Multi Spectral Scanner |
| MSTID | Medium-Scale Traveling Ionospheric Disturbances |
| MSU | Microwave Sounding Unit |
| MSX | Midcourse Space Experiment |
| MTA | Midnight Temperature Anomaly |
| MTM | Mesospheric Temperature Mapper |
| MTM | Midnight Temperature Maximum |
| MTSAT | Multifunctional Transport SATellite |
| MUF | Maximum Usable Frequency |
| MURI | Multi-disciplinary University Research Initiative |
| MUSE | Miniature Ultraviolet Spectrograph Experiment |
| MVAB | Minimum Variance Analysis of the B field |
| MWA | Mega-Watt Acre |
N
| N/A | Not Applicable |
| NACE | Neutral Atmosphere Composition Experiment |
| NACS | Neutral Atmosphere Composition Spectrometer |
| NAIC | National Astronomy and Ionosphere Center |
| NAS | National Academy of Sciences |
| NASA | National Aeronautics and Space Administration |
| NASCAP | NASA Charging and Analysis Program |
| NASDA | NAtional Space Development Agency (Japan) |
| NATE | Neutral Atmospheric Temperature Experiment |
| NCAR | National Center for Atmospheric Research |
| NCDC | National Climate Data Center |
| NCEP | National Center for Environmental Prediction |
| NCEP | NOAA CodE for Precipitation |
| NDA | Nightside Detached Aurora |
| NDSC | Network for the Detection of Stratospheric Change |
| NEAR | Near Earth Asteroid Rendezvous spacecraft |
| NEAT | Near Earth Asteroid Tracking |
| NEIL | Naturally Enhanced Ion-acoustic Lines |
| NENL | Near-Earth Neutral Line model |
| NESDIS | National Environmental Satellite, Data, and Information Services |
| NETR | Near-Earth Transition Region |
| NGATS | Next Generation Air Transportation System |
| NGDC | National Geophysical Data Center |
| NGO | Non-Government Organization |
| NGS | National Geodetic Survey |
| NHB | NASA HandBook |
| NEIALs | Naturally Enhanced Ion-Acoustic Lines |
| NIPR | National Institute for Polar Research |
| NIRA | Nonlinear Ionospheric Removal Algorithm |
| NLC | NoctiLucent Clouds |
| NLDN | National Lightning Detection Network |
| NLFFF | NonLinear Force-Free Field |
| NN | Neural Network |
| NNSS | Navy Navigational Satellite System |
| NOAA | National Oceanic and Atmospheric Administration |
| NPA | Neutral Particle Aurora |
| NPA | Non-Precision Approach |
| NPOESS | National Polar Orbiting Environmental Satellite System |
| NPP | NPOESS Preparatory Project |
| NRA | NASA Research Announcement |
| NRC | National Research Council |
| NRF | Non-Radial Flow |
| NRL | Naval Research Laboratory |
| NRO | NASA Research Opportunity |
| NRO | National Reconnaissance Office |
| NSB | National Science Board |
| NSF | National Science Foundation |
| NSIPP | NASA Seasonal-to-International Prediction Process |
| NSPO | National Space Program Office |
| NSROC | NASA Sounding Rocket Operations Contract |
| NSRP | NASA Sounding Rocket Program |
| NSS | New Skies Satellites |
| NSSA | National Security Space Architect |
| NSSDC | National Space Science Data Center |
| NSSTC | National Space Science and Technology Center |
| NSTC | National Science and Technology Center |
| NSWP | National Space Weather Program |
| NSWPASG | National Space Weather Program Assessment Study Group |
| NSWPC | National Space Weather Program Council |
| NTC | NonThermal Continuum |
| NuDe | Nuclear Detection |
| NVO | National Virtual Observatory |
| NWM | Neutral Wind Meter |
| NWRA | NorthWest Research Associates |
| NWS | National Weather Service |
O
| OBC | On-Board Computer |
| OCB | Open-Close Boundary |
| OCO | Orbiting Carbon Observatory |
| OFCM | Office of the Federal Coordinator for Meteorological Services and Supporting Research |
| OGA | Other Government Agency |
| OGO | Orbiting Geophysical Observatory |
| OLD | Optical Lightning Detector |
| OLS | Operational Linescan System |
| OMS | Orbital Maneuvering System |
| ONR | Office of Naval Research |
| OPAL | Optical Profiling of the Atmospheric Limb |
| OPO | Operational Parametric Oscillators |
| OPP | Office of Polar Programs |
| OpSEND | Operational Space Environment Network Display |
| O/OREOS | Organism/Organic Exposure to Orbital Stresses |
| OpenGGCM | Open Geospace General Circulation Model |
| ORBITALS | Outer Radiation Belt Injection, Transport Acceleration and Loss Satellite |
| OSEC | Over-the-Satellite Electron Content |
| OSI | Operational Significant Imagery |
| OSIRIS | Optical Spectrograph and Infra-Red Imaging System |
| OSS | Office of Space Sciences |
| OSTP | Office of Science and Technology Policy |
| OTA | Office of Technology Assessment |
| OTH | Over-The-Horizon |
| OWF | Optimum Working Frequency |
P
| PACE | Polar Anglo-American Conjugate Experiment |
| PAD | Pitch Angle Distribution |
| PADIE | Pitch Angle and Diffusion of Ions and Electrons |
| PAPCO | PAnel Plot COmposer |
| PARS | Polar Aeronomy and Radio Science summer school |
| PBI | Poleward Boundary Intensification |
| PBL | Planetary Boundary Layer |
| PBL | Plasma Boundary Layer |
| PBL | Proton Boundary Layer |
| PCA | Polar Cap Absorption |
| PCA | Photon Counting Array |
| PCB | Polar Cap Boundary |
| PCH | Polar Coronal Holes |
| PCMDI | Program for Climate Model Diagnosis and Intercomparison |
| PCO | Polar Cap Observatory |
| PCU | Panel Control Unit |
| Probability Distribution Function | |
| PEACE | Plasma Electron And Current Experiment |
| PEFE | Plasma Enhanced Field Emission |
| PEM | Pacific Exploratory Mission |
| PEO | Polar Earth Orbit |
| PET | Proton/Electron Telescope |
| PFISR | Poker Flat ISR (silent P) |
| PFP | Plasma Frequency Probe |
| PHAZE | Physics of the Auroral Zone Electrons |
| PI | Principal Investigator |
| PIA | Precursor Ionization Anomaly |
| PIC | Project Initiation Conference |
| PIC | Particle-In-Cell code |
| PIDP | Planetary Instrument Development Program |
| PIF | Pulsed Ionospheric Flow |
| PIM | Parameterized Ionospheric Model |
| PINOT | PFISR Ion-Neutral Observations in the Thermosphere |
| PIP | Plasma Impedance Probe |
| PIPER | Photometric Imager of Precipitated Electron Radiation |
| PISA | Plasma Impedance Spectrum Analyzer |
| PIU | Payload Integration Unit |
| PJ | Polarization Jet |
| PL | PayLoad |
| PLASLIFE | PLASma LIFEtime computer simulation |
| PLISD | Pulse Laser Induced Sputtering Deposition |
| PLL | Phase Locked Loop |
| PLP | Planar Langmuir Probe |
| PM | Program Manager |
| PMAF | Poleward-Moving Auroral Form |
| PMC | Polar Mesospheric Clouds |
| PMPCE | Poleward Moving Plasma Concentration Enhancements |
| PMRAF | Poleward Moving Radar Aurora Forms |
| PMSE | Polar Mesosphere Summer Echoes |
| PMT | PhotoMultiplier Tube |
| PNT | Positioning, Navigation, and Timing |
| POAM | Polar Ozone and Aerosol Measurement |
| POC | Point of Contact |
| POD | Precise Orbit Determination |
| POES | Polar Operational Environmental Satellite |
| POLAN | POLynomial ANalysis method |
| POLITE | Plasmaspheric Observations of Light Ions in the Topside and Exosphere |
| PolSAR | Polarimetric Synthetic Aperture Radar |
| PP | PlasmaPause |
| PPEF | Prompt Penetration Electric Fields |
| PPP | Precise Point Positioning |
| PRE | Pre-Reversal Enhancement |
| PREASA | Pacific Region Equatorial Anomaly Studies in Asia |
| PRF | Pulse Repetition Frequency |
| PRIMO | Problems Related to Ionospheric Models and Observations |
| PRPI | Puerto Rico Photonics Institute |
| PSBL | Plasma Sheet Boundary Layer |
| PSC | Polar Stratospheric Clouds |
| PSD | Phase Space Density |
| PSD | Power Spectral Density |
| PSL | Phase-Space Lagrangian methods |
| PSMOS | Planetary Scale Mesopause Observing System |
| PSO | Planetary Scale Oscillation |
| PSS | Planetary and Space Sciences |
| PVWave | Precision Visual Wave |
| PW | Planetary Wave |
| PWI | Plasma Wave Instrument |
Q
| QBO | Quasi-Biennial Oscillation |
| QLT | QuasiLinear Theory |
| QP | Quasi-Periodic |
R
| RAC | Radiation Auroral Clutter |
| RACE | Radiometer Atmosphere Cubesat Experiment |
| RadScint | Radar Scintillation |
| RAO | Relocatable Atmospheric Observatory |
| RAIDS | Remote Atmospheric and Ionospheric Detection System |
| RAM | Ring current Atmosphere interaction Model |
| RAMBO | RAM Burn Observations |
| RAPID | Research with Adaptive Particle Imaging Detectors |
| RAX | Radio Aurora Explorer |
| RB | Radiation Belt |
| RBR | Radiation Belt Remediation |
| RBSP | Radiation Belt Storm Probes |
| RC | Ring Current |
| RCM | Rice Convection Model |
| RCM-E | Rice Convection Model-Equilibrium |
| RDR | Raw Data Record |
| RDT&E | Research, Development, Test, and Evaluation |
| REASoN | Research, Education, and Applications Solution Network |
| REBR | REntry Breakup Recorder |
| REFIMS | Rotating Electric Field Ion Mass Spectrometer |
| REPTILE | Relativistic Electron and Proton Telescope Integrated Little Experiment |
| RF | Radio Frequency |
| RF | Radiative Forcing |
| RFI | Request For Information |
| RFI | Radio Frequency Interference |
| RHESSI | Ramaty High Energy Solar Spectroscopic Imager |
| Ri | Richardson number |
| RIBG | Reilley, ICED, Bent, Gallagher ionospheric model |
| RIDGE | Radar Integrated Display with Geospatial Elements |
| RIF | Radio Induced Fluorescence |
| RIMS | Retarding Ion Mass Spectrometer |
| RISE | Radiative Inputs from Sun to Earth |
| RISO | Air Force Rocket Impacts on Stratospheric Ozone |
| RIU | Remote Interface Unit |
| RMSE | Root Mean Square Error |
| ROCSAT | Republic Of China SATellite |
| ROPA | Rocket Observations of Pulsating Aurora |
| ROSE | ROcket and Scatter Experiments |
| ROSES | Research Opportunities in Space and Earth Science |
| ROSS | Research Opportunity in Space Science |
| RPA | Retarding Potential Analyzer |
| RPC | Rapid Prototyping Center |
| RPI | Radio Plasma Imager |
| RPWS | Radio and Plasma Wave Science |
| RRBM | Rice Radiation Belt Model |
| RSA | Russian Space Agency |
| RSC | RDT&E Support Complex |
| RSLWG | Research Support and Logistics Working Group |
| RSMA | Remote Sensing of the Middle Atmosphere |
| RSTN | Radio Solar Telescope Network |
| RTG | Radioisotope Thermal Generator |
| RTI | Rayleigh Taylor Instability |
| RTI | Range Time Intensity |
| RV | Retarding Voltage |
| RWS | Ram Wind Sensor |
S
| S3 | Small Scientific Satellite |
| S/A | Solar Array |
| SAA | South Atlantic Anomaly |
| SAAMER | Southern Argentina Agile MEteor Radar |
| SABER | Sounding of the Atmosphere using Broadband Emission Radiometry |
| SAFISY | Space Agency Forum on International Space Year |
| SAGA | South Atlantic Geomagnetic Anomaly |
| SAGE | Stratosphere Aerosol and Gas Experiment (I,II,III) |
| SAI | Spin-scan Aurora Imager |
| SAIC | Science Applications International Corporation |
| SAID | Sub-Auroral Ionospheric Disturbances |
| SAID | Sub-Auroral Ion Drift |
| SAL | Sudden Atom Layer |
| SAMBA | South American B-Field Array |
| SAMBO | Simultaneous Auroral Multi-Balloons Observations |
| SAMNET | Sub-Auroral Magnetometer NETwork |
| SAMPEX | Solar Anomalous and Magnetospheric Particle EXplorer |
| SANDI | Small Airglow Neutral Doppler Interferometer |
| SAO | Southern Atlantic Oscillation |
| SAPS | Sub-Auroral Polarization Streams |
| SAPSWS | SAPS Wave Structure |
| SAR arc | Stable Auroral Red arc |
| SAR | Synthetic Aperture Radar |
| SARAS | Substorm Associated Radar Auroral Surge |
| SATCOM | SATellite COMmunications |
| SATECP | Southern African Total Electron Content Prediction |
| SATI | Spectral Airglow Temperature Imager |
| SatScint | Satellite Scintillation |
| SAVNET | South America VLF NETwork |
| SAW | Shear Alfven Wave |
| SBAS | Satellite-Based Augmentation System |
| SBR | Space-Based Radar |
| SBUV | Solar Backscatter UltraViolet instrument |
| S/C | SpaceCraft |
| SC | Sudden Commencement |
| SCaN | Space Communications and Navigation test bed |
| SCAR | Scientific Committee on Antarctic Research |
| SCATHA | Spacecraft Charging AT High Altitudes |
| SCC | Super-Cloud Cluster |
| SCE | Substorm Chorus Event |
| SCEX | Space Craft Charging Experiments |
| SCHA | Spherical Cap Harmonic Analysis |
| SCIFER | Sounding of the Cleft Ion Fountain Energization Region |
| SCINDA | SCINtillation Detection Algorithm |
| SCINDA | SCIntillation Network Decision Aid |
| SCINTMON | SCINTillation MONitor |
| SCORE | Self-Calibration Of Range Errors |
| SCORPION | SCORE for Plasmasphere and IONosphere |
| SCOSTEP | Scientific Committee On Solar-TErrestrial Physics |
| SCW | Substorm Current Wedge |
| SDI | Scanning Doppler Imager |
| SDF | Spectral Density Function |
| SDO | Solar Dynamics Observatory |
| SDR | Sensor Data Record |
| SDS | Slow-Drift Shadow event |
| SEA | Suprathermal Electron Analyzer |
| SEB | Single Event Burnout |
| SEC | Sun-Earth Connection |
| SEC | Space Environment Center |
| SEC | Space Environment Corporation |
| SECAS | Sun-Earth Connection's Advisory Subcommittee |
| SECS | Spherical Elementary Current Systems |
| SED | Storm-Enhanced Density |
| SEE | Solar EUV Experiment |
| SEE | Single Event Effects |
| SEEFS | SSA Environmental Effects Fusion System |
| SEEP | Stimulated Emission of Energetic Particles (satellite) |
| SEFI | Single Event Functional Interrupt |
| SEG | Single Event Glitch |
| SEGR | Single Event Gate Rupture |
| SEL | Single Event Latchup |
| SEL | Space Environment Laboratory |
| SEM | Scanning Electron Microscope |
| SEM | Space Environment Monitor |
| SEP | Solar Electric Propulsion |
| SEP | Solar Energetic Particle |
| SES | Sun-Earth-System |
| SESAME | Satellites Experiments Simultaneous with Antarctic MEasurements |
| SESC | Space Environment Service Center |
| SESCAT | Sporadic-E SCATter experiment |
| SESS | Space Environmental Sensor Suite |
| SESSANE | Scintillation and Energy input for Space Situational Awareness and Monitoring of the Environment |
| SETI | Search For Extraterrestrial Intelligence |
| SEU | Single Event Upsets |
| SFD | Sudden Frequency Deviation |
| SFPS | Spacecraft Functional Performance Specification |
| SFU | Solar Flux Unit |
| SGD | Solar Geophysical Data |
| SHARE | Southern Hemisphere Auroral Radar Experiment |
| SHE | Single Hard Error |
| SHF | Super High Frequency |
| SHIMMER | Spatial Hetrodyne IMager for Mesospheric Radicals |
| SHINE | Solar Heliosphere and INterplanetary Environment program |
| SHS | Spatial Hetrodyne Spectroscopy |
| SI | Spacecraft Interface |
| SI | Sudden Impulses |
| SID | Sudden Ionospheric Disturbance |
| SIMD | Single Instruction/Multiple Data |
| SIMPLEX | Shuttle Ionospheric Modification with Pulsed Localized exhaust EXperiment |
| SIPS | Scanning Imaging Photometer System |
| SIS | Solar Isotope Spectrometer |
| SITEC | Sudden Increase of Total Electron Content |
| SLP | Sweeping Langmuir Probe |
| SLS | Structure of the Lower Stratosphere |
| SKR | Saturn Kilometric Radiation |
| SMC | Steady Magnetospheric Convection |
| SMEI | Solar Mass Ejection Imager |
| SMEX | SMall Explorer |
| SMI | Simultaneous Multispectral Imager |
| SMS | Suprathermal Ion Mass Spectrometer |
| SMY | Solar Maximum Year |
| SNOE | Student Nitric Oxide Explorer |
| SOC | Science Operations Center |
| SOFIA | Stratospheric Observatory For Infra-red Astronomy |
| SOFIE | Solar Occultation For Ice Experiment |
| SOHO | SOlar and Heliospheric Observatory |
| SOLIS | Synoptic Optical Long-term Investigation of the Sun |
| SOLTIP | SOLar Connection with Transient Interplanetary Phenomenon |
| SOON | SOlar Optical Network |
| SOPA | Synchronous Orbit Particle Analyzer |
| SOPAC | Scripps Orbit and Permanent Array Center |
| SOR | Starfire Optical Range |
| SoRBE | Solar Radio Burst Effects |
| SOT | Solar Optical Telescope |
| SOW | Statement Of Work |
| SP | Solar energetic Particles |
| SPA | Space Physics and Aeronomy |
| SPA | Sudden Phase Anomaly |
| SpaceWOC | Space Weather Operations Center |
| SPAD | Single Photon Avalanche Diodes |
| SPARC | SPace and Aeronomy Research Center |
| SPARC | Space Physics and Aeronomy Research Collaboratory |
| SPARC | Stratospheric Processes And their Role in Climate |
| SPDS | Space Physics Data System |
| SPE | Solar Particle Event |
| SPECIAL | Space Processes and Electrical Changes Influencing Atmospheric Layers |
| SPIDR | Space Physics Interactive Data Resource |
| SPOT-3(4) | Satellite Pour l'Observation de la Terre |
| SPS | Standard Positioning Service |
| SPyCAT | Space Physics CATalog |
| SPW4 | Stationary Planetary Wave 4 |
| SRAG | Space Radiation Analysis Group |
| SRAM | Static Random Access Memory |
| S-RAMP | STEP-Results, Applications, and Modeling Phase |
| SR&T | Supporting Research and Technology |
| SRI | Stanford Research Institute International |
| SRS | Spectral Resonance Structure |
| SSA | Space Situational Awareness |
| SSAT | Space Science, Applications, and Technology Lab (at UTD) |
| SSB | Solar Sector Boundaries |
| SSB/X-M | Special Sensor Gamma/X-ray Meter |
| SSC | Sudden Storm Commencement |
| SScAC | Space Science Advisory Committee |
| SSG | Science Steering Group |
| SSI | Space Science Institute |
| SSI | Spectral Statistical Interpolation |
| SSIES | Special Sensor Ionospheric and Electron Scintillation Meter |
| SSIES-3 | Space Science Ion and Electron Sensor |
| SSM/I | Special Sensor Microwave/Imager |
| SSM/T | Special Sensor Microwave/Temperature Sounder |
| SSPM | Satellite Surface Potential Monitor |
| SSN | SunSpot Number |
| SSR | Space Science Reviews |
| SST | Sea Surface Temperature |
| SST | Solid State Telescope |
| STEC | Slant Total Electron Content |
| SSC | Sudden Storm Commencements |
| SSU | Stratospheric Sounding Unit |
| SSULI | Special Sensor UV Limb Imager |
| SSUSI | Special Sensor Ultraviolet Spectrographic Imager |
| SSW | StratoSpheric Warming event |
| STAFF | Spatio-Temporal Analysis of Field Fluctuations |
| STAR | Spatial Triaxial Accelerometer for Research |
| STARE | Scandinavian Twin Auroral Radar Experiment |
| STDN | Space Tracking and Data Network |
| STEADE | Storm Time Energy And Dynamics Explorer |
| STEERB | Storm-Time Evolution of Electron Radiation Belt |
| STEL | Solar-Terrestrial Environment Laboratory |
| STELLA | Software Toolkit for Ethernet Lab-Like Architecture |
| STEM | Solar Terrestrial Environment Model |
| STEM | Science, Technology, Engineering, Mathematics (NASA) |
| STEP | Solar Terrestrial Energy Program |
| STEREO | Solar TErrestrial RElations Observatory |
| STG | Spectral Tide-Gauge |
| STIS | Space Telescope Imaging Spectrograph |
| STIINTE | Solar-Terrestrial Interactions: INstruments and TEchniques |
| STK | Satellite Tool Kit |
| STP | Satellite Test Program |
| STP | Solar-Terrestrial Physics |
| STP | Space Test Program |
| STRVs | Space Technology Research Vehicles |
| STS | Solar Terrestrial Science |
| STW | Swallow-Tailed Whistler |
| SuperDARN | Super Dual Auroral Radar Network |
| SUPIM | Sheffield University Plasmasphere Ionosphere Model |
| SV | Space Vehicle |
| SVETSB | Solar Variability Effects on Technological Systems and the Biosphere |
| SW | Solar Wind |
| SWAS | Submillimeter Wave Astronomy Satellite |
| SWATS | Small Wind And Temperature Spectrometer |
| SWF | Short Wave Fadeout |
| SWG | Science Working Group |
| SWMF | Space Weather Modeling Framework |
| SWMF/GM | SWMF/Global Magnetosphere |
| SWMF/IE | SWMF/Ionospheric Electrodynamics |
| SWMF/IM | SWMF/Inner Magnetosphere |
| SWOC | Space Weather Operations Center |
| SWR | Sweeping Frequency Receiver |
| SwRI | Southwest Research Institute |
| SWS | Space Weather Squadron |
| SXI | Solar X-ray Imager |
| SXP | Solar X-ray Photometer |
| SZA | Solar Zenith Angle |
T
| TACC | Taiwan Analysis Center for COSMIC |
| TAD | Traveling Atmospheric Disturbance |
| TADS | Throw Away DetectorS |
| TAWRS | Temperature And Wind Rocket Spectrometer |
| TBB | Tri-Band Beacon |
| TBD | To Be Determined |
| TBR | To Be Resolved |
| TBS | To Be Supplied |
| TCR | Traveling Compression Region |
| TCS | Thin Current Sheet |
| TCV | Traveling Convection Vortex |
| TD | Tangential Discontinuity |
| TDC | Top Dead Center |
| TDIM | Time Dependent Ionospheric Model |
| TDRSS | Tracking and Data Relay Satellite System |
| TEC | Total Electron Content |
| TECU | Total Electron Content Unit |
| TEP | TransEquatorial Propagation |
| TEX | Telescope of EXtreme ultraviolet |
| TGF | Terrestrial Gamma-Ray Flashes |
| THEMIS | Time History of Events and Macroscale Interactions during Substorms |
| TIA | Transverse Ion Acceleration |
| TID | Traveling Ionospheric Disturbances |
| TID | Total Ionizing Dose |
| TIDI | TImed Doppler Interferometer |
| TIEGCM | Thermosphere/Ionosphere/Electrodynamic General Circulation Model |
| TIGER | Thermospheric/Ionospheric Geospheric Research symposium |
| TIL | Tidal Ion Layers |
| TIM | Thermosphere-Ionosphere-Mesosphere |
| TIMAS | Toroidal Imaging Mass-Angle Spectrograph |
| TIME-CCM | Thermosphere/Ionosphere/Mesosphere/Electrodynamics Community Climate Model |
| TIMED | Thermosphere Ionosphere Mesosphere Energetics & Dynamics |
| TIME-GCM | Thermosphere/Ionosphere/Mesosphere/Electrodynamics General Circulation Model |
| TING | Thermosphere Ionosphere Nested Grid model |
| TIP | Tiny Ionospheric Photometer |
| TLA | Three Letter Acronym |
| TLE | Transient Luminous Events |
| TLR | magnetoTail Lobe magnetic Reconnection |
| TLS | Tethered Lifting System |
| TM | TeleMetry |
| TMA | TriMethyl Aluminum |
| TMAH | Tetra Methyl Aluminum Hydroxide |
| TOF | Time-Of-Flight |
| TOI | Tongue Of Ionization |
| TOMS | Total Ozone Mass Spectrometer |
| TOMEX | Turbulent Oxygen Mixing EXperiment |
| TPS | The Planetary Society |
| TQMS | Triple Quadrupole Mass Spectrometer |
| TRACE | Transition Region And Coronal Explorer |
| TRAMP | Transitional and Rarefied Axisymmetric Monte Carlo Simulation Process |
| TR&T | Targeted Research & Technology |
| TriG | Tri GNSS (GPS+Galileo+GLONASS) |
| TRMM | Tropical Rainfall Measuring Mission |
| TROZ | Tropospheric Ozone Campaign |
| TS | Termination Shock |
| TSE | Topside Spread Echoes |
| TSI | Total Solar Irradiance |
| TSL | Texas Spacecraft Laboratory |
| TSS | Targeted Search System |
| TSS | Tethered Satellite System |
| TT&C | Telemetry, Tracking, and Command |
| TTI | Thermospheric Temperature Imager |
| TURBO | TURBulent upwellings Over Arecibo observatory |
| TW | Tidal Wave |
| TWP-ICE | Tropical Western Pacific- International Cloud Experiment |
U
| UA | Upper Atmosphere |
| UARS | Upper Atmospheric Research Section (NSF) |
| UARS | Upper Atmosphere Research Satellite (NASA) |
| UART | Universal Asynchronous Receiver Transmitter |
| UBC | Upper-Band Chorus |
| UCAR | University Corporation for Atmospheric Research |
| UCLA | University of California, Los Angeles |
| UCWE | Upward Coupling of Wave Energy |
| UDP | Universal Data Packets |
| UHF | Ultra-High Frequency |
| UHV | Ultra-High Vacuum |
| ULDB | Ultra Long Duration Balloon |
| ULF | Ultra Low Frequency |
| UN | United Nations |
| UNB-IMT | University of New Brunswick Ionospheric Mapping Technique |
| UNBSSI | United Nations Basic Space Science Initiative |
| UNEP | United Nations Environment Programme |
| UNESCO | United Nations Educational, Scientific, and Cultural Organization |
| UPOS | University Partnering for Operational Support |
| URSI | Union Radio-Scientifique Internationale or International Union of Radio Science |
| USA | Unconventional Stellar Aspect explorer |
| USC | University of Southern California |
| USC | University of South Carolina |
| USDRE | USer Differential Range Error |
| USGCRP | US Global Change Research Program |
| USGS | United States Geologic Survey |
| USMCC | U.S. Mission Control Center (NOAA) |
| UT | Universal Time |
| UTLS | Upper Troposphere Lower Stratosphere |
| UV | UltraViolet |
| UVCS | UltraViolet Coronagraph Spectrometer |
| UVIS | UltraViolet Imaging Spectrograph |
| UVS | UltraViolet Spectrometer |
V
| VADER | Variable emissivity radiator Aerogel insulation blanket Dual zone thermal control Experiment suite for Responsive space |
| VAFB | Vandenberg Air Force Base |
| VAI | Vorticity Area Index |
| VCCO | Virtual Carbon Cycle Observatory |
| VDF | Vibrational Distribution Function |
| VEFI | Vector Electric Field Instrument |
| VERB | Versatile Electron Radiation Belt |
| VGMO | Virtual GeoMagnetic Observatory |
| VHF | Very High Frequency |
| VHO | Virtual Heliospheric Observatory |
| VIR | Vortex-Induced Reconnection |
| VITMO | Virtual Ionospheric Thermospheric Mesospheric Observatory |
| VLSI | Very Large Scale Integration |
| VMO | Virtual Magnetospheric Observatory |
| VMR | Volume Mixing Ratio |
| VMSO | Virtual MagnetoSpheric Observatory |
| VO | Virtual Observatory |
| VOACAP | Voice of America Coverage Analysis Program- ionospheric model |
| VOO | Virtual Ocean Observatory |
| VRBO | Virtual Radiation Belt Observatory |
| VSN | Virtual Seismic Network |
| VSPO | Virtual Space Physics Observatory |
| VSO | Virtual Solar Observatory |
| VSTO | Virtual Solar-Terrestrial Observatory |
| VTEC | Vertical Total Electron Content |
W
| WAAS | Wide Area Augmentation System |
| WACCM | Whole Atmosphere Community Climate Model |
| WAM | Whole Atmosphere Model |
| WATS | Wind And Temperature Spectrometer |
| WAWS | West African Weather Model |
| WBMOD | Wide-Band scintillation MODel |
| WBS | Work Breakdown Structure |
| WCIP | World Climate Impact Program |
| WCP | World Climate Program |
| WCRP | World Climate Research Program |
| WD | World Day |
| WDC | World Data Center |
| WEC | Wave Experiment Consortium |
| WETMITS | effects of Wave processes in Energy Transfer in the Magnetosphere/Ionosphere/Thermosphere System |
| WFF | Wallops Flight Facility |
| WHAM | Wisconsin H Mapper (WHM) |
| WHISPER | Waves of HIgh Frequency and Sounder for Probing of dEnsity by Relaxation |
| WIDE | Wideband Ionospheric Distortion Experiment |
| WINCS | Wind Ion Neutral Composition Suite |
| WINDII | WIND Imaging Interferometer |
| WINE | Winter In Northern Europe |
| WIRE | Wide-Field InfraRed Explorer |
| WISER | World Institute for Space Environment Research |
| WITS | World Ionosphere Thermosphere Study |
| WMO | World Meteorological Organization |
| WMS | World Magnetic Survey |
| WRS | WAAS Reference Stations |
| WSA | Wang-Sheeley-Arge Model |
| WSA | Weddell Sea Anomaly |
| WSSEB | Wallops Systems Software Engineering Branch |
| WWLLN | World Wide Lightning Location Network |
X
| XRT | X-Ray Telescope |