| Acronym | Meaning |
| NESDIS | National Environmental Satellite Data And Information Service |
| AGDATS | Air-Ground Data Telemetry System |
| RTH | Regional Telecommunications Hubs |
| AMS | Atomic Mass Spectrometry |
| EM | Engineering Model |
| SVAT | Surface Vegetation- Atmosphere Transfer |
| GDP | Ground Data Processor |
| ESF | European Science Foundation |
| ETG | Eclipse Task Group |
| C&DM | Configuration And Data Management |