| Acronym | Meaning |
| RDR | Radar |
| EOC | Earth Observation Center |
| UIP | UCAR Intellectual Property |
| ARCSS | Arctic Systems Science |
| NICI | Negative Ion Chemical Ionization |
| BAM | Berkeley Abstract Machine |
| ETA | A Hydrostatic Model That Employs The Eta Vertical Coordinate |
| GTG | GARP Task Group |
| ETS | Emergency Transponder System |
| IWRS | Improved Weather Reconnaissance System |