| Acronym | Meaning |
| ADAACS | Affiliated Distributed Active Archive Centers |
| FR | Full Resolution |
| RPG | Radar Products Generator |
| MPI | Max Planck Institute |
| MM90 | N/A |
| ISMRM | Integrated Soil Moisture Retrieval Models |
| GDP | GARP Data Processing |
| EIS | Environmental Impact Statement |
| IFOV | Instantaneous Field Of View |
| AMR | Advanced Microwave Radiometer |