| Acronym | Meaning |
| WARN | Weather-Auto Relay Network |
| N/A OR NA | Not Applicable |
| WMS | World Magnetic Survey |
| MECCA | Model Evaluation Consortium For Climate Assessment |
| ITO | Independent Test Organization |
| AM | Amplitude Modulation |
| EMEX | Equatorial Monsoon Experiment |
| IPMP | Intellectual Property Management Program (UCAR) |
| AFP | Advanced Flexible Processor |
| MSL | Mean Sea Level |