Glossary

AMSU                  Advanced Microwave Sounding Unit

CLIMCAPS         Community Long-Term Infrared Microwave Combined

                              Atmospheric Product System

CrIS                      Cross-track Infrared Sounder

DAAC                  Distributed Active Archive Center

DISC                    Data and Information Services Center

DN                        Data Number

ECMWF               European Centre for Medium Range Weather Forecasts (UK)

EOS                      Earth Observing System

EOSDIS               Earth Observing System Data and Information System

EU                        Engineering Unit

EUMETSAT        European Organization for the Exploitation of

                              Meteorological Satellites

FOV                      Field of View

FOR                      Field of Regard

GDAAC               Goddard Space Flight Center Distributed Active Archive Center

GES                      Goddard Earth Sciences

GSFC                   Goddard Space Flight Center

HDF                      Hierarchical Data Format

HIRAS                  Hyperspectral Infrared Atmospheric Sounder

HSB                      Humidity Sounder for Brazil

IASI                      Infrared Atmospheric Sounding Interferometer

IR                          Infrared

JPSS                    Joint Polar Satellite System

L1A                      Level 1A Data

L1B                      Level 1B Data

L2                         Level 2 Data

L3                         Level 3 Data

MODIS                 Moderate Resolution Imaging Spectroradiometer

MW                       Microwave

NOAA                  National Oceanic and Atmospheric Administration

PGE                      Product Generation Executive

PGS                      Product Generation System

QA                        Quality Assessment

RTA                      Radiative Transfer Algorithm

S-NPP                  Suomi National Polar-orbiting Partnership

SIPS                     Science Investigator-led Processing Systems

SPS                      Science Processing System

TES                      Tropospheric Emission Spectrometer

TRMM                  Tropical Rainfall Measuring Mission

Vis/NIR                 Visible/Near Infrared