| Acronym | Meaning |
| WSI | WSI Corporation |
| USDA | United States Department Of Agriculture |
| DML | RF Dimensional Metrology Laboratory |
| APL | Applied Physics Laboratory |
| BITNET | Because It's Time Network |
| ETC | Engineering Training Course |
| TUTT | Tropical Upper-tropospheric Trough |
| RAPTSTM WX | Research Applications Program Thunderstorm Weather |
| SMILE | Surface Layer Mixed Experiment |
| NIDS | NEXRAD Information And Data System |