| Acronym | Meaning |
| SWS | Solar Weather Seminar |
| FIVRS | Financial Information Variance Reporting System |
| DCA | Washington National Airport |
| ACME | Airborne Carbone In The Mountains Experiment |
| IGPO | International GEWEX Program Office |
| SI | Systeme International |
| MASNET | Mainframe And Server Network |
| DIFAX | Digital Facsimile Map |
| TDMC | TAMEX Data Management Center |
| DCTN | Defense Commercial Telecommunications Network |