| Acronym | Meaning |
| GBDS | GARP Basic Data Set |
| AGR | Advanced Gas-cooled Reactor |
| OLR | Outgoing Longwave Radiation |
| NOWRAD | National Operational Weather Radar |
| MECCA | Model Evaluation Consortium For Climate Assessment |
| DR | Discrepancy Report |
| UID | User Identification |
| CCOL | Coordinating Committee On The Ozone Layer |
| GPS-IPW | Global Positioning System-Integrated Precipitable Water |
| IOS | Interplanetary Scintillation |