| Acronym | Meaning |
| SAWRS | Supplementary Aviation Weather Reporting System |
| SIBIZMIR | Siberian Institute Of Terrestrial Magnetism |
| AO | Arctic Oscillation |
| SIRS | Satellite Infrared Spectrometer |
| ELLWAS | Enhanced Low-Level Windshear Alert System |
| JICA | Japan International Development Agency |
| MDM | Multiplexer/demultiplexer |
| ATR | Alliance For Transportation Research |
| REGCM | Regional Climate Model |
| SAC-C | Argentina's Scientific Applications Satellite |