| Acronym | Meaning |
| ROPCOM | Remote OPCM |
| HRSR | High Resolution Scanning Radiometer |
| GOMOOS | Gulf Of Main Ocean Observing System |
| TAS | True Air Speed |
| GTF | Ground Test Facility |
| TLS | Tunable Laser Spectroscopy |
| GHRS | Goddard High Resolution Spectograph |
| SSM/I | Special Sensor For Microwave/Imaging |
| TPF&C | Towers |
| INPE | Instituto De Pesquisas Espaciais |