| Acronym | Meaning |
| MUG | McIDAS Users Group |
| IPC | Institute Of Paper Chemistry |
| MOM | MASnet Operations Monitor |
| NESDD | NOAA Earth Science Data Directory |
| APM | Axial Power Monitor |
| APJ | The Astrophysical Journal |
| RAG | Resource Accounting Group |
| SAWRS | Supplementary Aviation Weather Reporting System |
| UI | Unit Of Issue |
| EMEX | Equatorial Monsoon Experiment |