| Acronym | Meaning |
| AFB | Atmospheric Fluidized Bed |
| PMS | Performance Measurement System |
| AVC | Automatic Volume Control |
| RRWDS | Radar Remote Weather Display System |
| TRW SYSTEMS | Inc. |
| GPS | Global Positioning System |
| OPP | Office Of Polar Programs |
| PCRGA | Precipitation Chemistry |
| NCPO | National Climate Project Office |
| IOP | Intensive Observation Period |