| Acronym | Meaning |
| FSK | Frequency Shift Key(ing) |
| PCA | Physical Configuration Audit |
| DOA | Department Of Agriculture |
| FIFE | First ISLSCP Field Experiment |
| OAR | Office Of Atmospheric Research |
| ART | Aqueous Recycle Technologies |
| GCM | General Circulation Model |
| ASSIST | ADPE System Sizing Tool |
| ABA | American Bar Association |
| GSFC | Goddard Space Flight Center |