| Acronym | Meaning |
| FPS-# | Radar Designation |
| APD | Areal Power Density |
| TSM | Theoretical Studies And Modeling |
| BER | Bit Error Rate |
| AAM | Airborne Activity Monitor |
| ALEC | American Legislative Exchange Council |
| ISMRM | Integrated Soil Moisture Retrieval Models |
| API | Application Program Interface |
| AEE | Alliance For Environmental Education |
| Z | Reflectivity (Lenschow) Or Reflective Factor (FOF) |