| Acronym | Meaning |
| MOS | Model Output Statistics |
| NASDA | National Space Development Agency |
| EOS-A | First NPOP |
| IDASS | Integrated Data Assimilation/Sounding System |
| G/T | Activity Per Ton |
| DEWS | Doppler Electronic Weather Sensor |
| AMS | Appraisal Management System |
| ITCZ | Intertropical Convergence Zone |
| SSAI | Science Systems Applications Incorporated |
| MBO | Management By Objective |