* Laboratories
BSRN : Baseline Surface Radiation Net
CNES : Centre National d'Etudes Spatiales
CNRS : Centre National de la Recherche Scientifique
ECMWF : European Center for Medium range Weather Forecasting
INSU : Institut National des Sciences de l'Univers
INTA : Instituto Nacional de technica aeroespacial
IPEV : Institut Paul Emile Victor
JMA : Japan Meteorological Agency
LMD : Laboratoire de Météorologie Dynamique
NCAR : National Center of Atmospheric Research
NOAA : National Oceanic and Atmospheric Administration
NSF : National Science Foundation
UCAR : University Corporation for Atmospheric Research

* Experiments
IPY : International Polar Year
PNRA : Programma Nazionale Ricerche in Antartide
THORPEX : The Observing System Research and Predictability Experiment

* Data
AIRS : Atmospheric Infrared Sounder
AMSUA : Advanced Microwave Sounding Unit-A
AMSUB : Advanced Microwave Sounding Unit-B
BSRN : Baseline Surface Radiation Network
GPS : Global Positioning System
IASI : Infrared Atmospheric Sounding Interferometer - Interféromètre Atmosphérique de Sondage Infrarouge
MHS : Microwave Humidity Sounder
NAT : Nitric Acid Trihydrate
RS : radiosounding
SEVIRI : Spinning Enhanced Visible and InfraRed Imager
SSMI : Special Sensor Microwave Imager

* Miscellanous
GTS : Global Transmission Service
SMT : Système Mondial de Télécommunications
UTC : Coordinated Universal Time