| Acronym | Meaning |
| IOC | Initial Operating Capability |
| RMS | Root-mean-square |
| CDDF | Central Data Distribution Facility |
| WI | Workstation Interface |
| ATOG | Abnormal Test Procedure Operator Guidelines |
| AWS | Air Weather Service |
| TOA | Top Of The Atmosphere |
| RPN | (Division De) Recherche En Precision Numerique |
| WKD | Wallace-Kratohvil Distribution |
| DOI | Department Of Interior |