| Acronym | Meaning |
| ECMWF | European Centre For Medium-range Weather Forecasts |
| GMT | Greenwich Mean Time (repl. By UTC) |
| ERBE | Earth Radiation Budget Experiment |
| NASDA | National Space Development Agency (Japan) |
| EARTHKAM | Earth Knowledge Acquired By Middle-schoolers |
| VAS | VISSR Atmospheric Sounder (launch |
| ITS | Interferometer Thermal Sounder (HIS) |
| CH4 | Methane |
| IMG | Interferometric Monitor For Greenhouse Gases |
| SDS | Satellite Data Services |