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ADEOS |
Advanced Earth Observing Satellite |
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ALOS |
Advanced Land Observing Satellite |
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ALT |
radar altimeter |
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AMSR |
Advanced Microwave Scanning Radiometer |
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ARM |
Atmospheric Radiation Measurement |
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ASA |
Authorized Shared Access |
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BLR |
boundary layer radar |
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CASA |
Collaborative Adaptive Sensing of the Atmosphere |
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CCD |
coherent change detection |
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CCN |
cloud condensation nuclei |
|
CDMA |
Code Domain Multiple Access |
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CITEL |
Commission for Inter-American Telecommunications |
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CNES |
French Space Agency |
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CODAR |
Coastal Ocean Dynamics Applications Radar |
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CONUS |
continental United States |
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CYGNSS |
Cyclone Global Navigation Satellite System |
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DARN |
Dual Auroral Radar Network |
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DEM |
Digital Elevation Model |
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DOD |
Department of Defense |
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DPR |
Dual-frequency Precipitation Radar |
|
ECMWF |
European Centre for Medium-Range Weather Forecasts |
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EESS |
Earth Exploration-Satellite Service |
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EIRP |
Effective Isotropic Radiated Power |
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EISCAT |
European Incoherent Scatter Radar |
|
ELF |
extremely low frequency |
|
EM |
electromagnetic |
|
ERS-1 |
European Remote Sensing Satellite |
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ESA |
European Space Agency |
|
ESM |
Electromagnetic Spectrum Management |
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EUV |
extreme ultraviolet |
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FAA |
Federal Aviation Administration |
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FAI |
field-aligned irregularity |
|
FCC |
Federal Communications Commission |
|
FDMA |
Frequency Division Multiple Access |
|
GBT |
Green Bank Telescope |
|
GCM |
General Circulation Model |
|
GIRO |
Global Ionospheric Radio Observatory |
|
GMDSS |
Global Maritime Distress and Safety System |
|
GMF |
Government Master File |
|
GNSS |
Global Navigation Satellite Systems |
|
GPM |
Global Precipitation Mission |
|
GPR |
ground-penetrating radar |
|
GR |
general relativity |
|
GRACE |
Gravity Recovery and Climate Experiment |
|
IMF |
interplanetary magnetic field |
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InSAR |
Interferometric SAR |
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IOOS |
Integrated Ocean Observing System |
|
IRAC |
Interdepartment Radio Advisory Committee |
|
ISR |
Ionosondes and Incoherent-Scatter Radar |
|
ISS |
International Space Station |
|
ITU |
International Telecommunications Union |
|
ITU-R |
Radiocommunication Sector of the International Telecommunications Union |
|
JAXA |
Japan Aerospace Exploration Agency |
|
LAN |
local area networks |
|
LMS |
least mean square |
|
LSA |
Licensed Shared Access |
|
MetSat |
Meteorological Satellite Services |
|
MHR |
Mile High Radar |
|
MPAR |
Multifunction Phased Array Radar |
|
MSS |
Mobile Satellite Service |
|
MST |
mesosphere-stratosphere-troposphere |
|
NASA |
National Aeronautics and Space Administration |
|
NASDA |
National Space Development Agency |
|
Ne |
total plasma density |
|
NEA |
near-Earth asteroid |
|
NEO |
near-Earth object |
|
NEXRAD |
WSR-88D radar network |
|
NISAR |
NASA/ISRO L-band SAR mission |
|
NPB |
National Broadband Plan |
|
NRC |
National Research Council |
|
NSCAT |
NASA Scatterometer |
|
NSF |
National Science Foundation |
|
NTIA |
National Telecommunications and Information Administration |
|
NWP |
Numerical Weather Prediction |
|
OSTM |
Ocean Surface Topography Mission |
|
PALSAR |
Phased Array type L-band Synthetic Aperture Radar |
|
PFISR |
Poker Flat, Alaska, Incoherent-Scatter Radar |
|
PHA |
potentially hazardous asteroid |
|
PMSE |
Polar Mesospheric Summer Echoes |
|
PR |
precipitation radar |
|
PRF |
pulse repetition frequency |
|
RFI |
Radio Frequency Interference |
|
RLAN |
Radio Local Access Network |
|
RLS |
Radio Location Service |
|
RSI |
Radar Speckle Interferometry |
|
SAR |
synthetic-aperture radar |
|
SASS |
Seasat-A Satellite Scatterometer |
|
Scat |
scatterometer |
|
SINR |
signal-to-interference-plus-noise ratio |
|
SLAR |
systems/side-looking airborne radar |
|
SMAP |
Soil Moisture Active Passive |
|
SMMR |
Scanning Multichannel Microwave Radiometer |
|
SMS |
Spectrum Management for Science in the 21st Century |
|
SOS |
Space Operation Services |
|
SOTR |
Space Object Tracking Radar (DOD) |
|
SRS |
Space Research Services |
|
SRTM |
Shuttle Radar Topography Mission |
|
SST |
sea surface temperature |
|
STA |
Special Temporary Authority |
|
SWE |
snow water equivalent |
|
SWOT |
Surface Water Ocean Topography |
|
SXXI |
Spectrum XXI |
|
TEC |
total electron content |
|
TNT |
trinitrotoluene |
|
TRMM |
Tropical Rain Mapping Mission |
|
U.S. WP7C |
U.S. Working Party 7C |
|
ULS |
Universal Licensing System |
|
VLA |
Very Large Array |
|
VLBA |
Very Long Baseline Array |
|
VLF |
very low frequency |
|
WRC |
World Radiocommunication Conference |
