| Acronym | Meaning |
| ASTHO | Association Of State & Territorial Health Officials |
| IDA | Institute For Defense Analysis |
| OSPF | Open Shortest Path First |
| GAPEX | Ground-based Atmospheric Profiling Experiment |
| PSA | Public Service Announcement (radio/TV Term) |
| ARM-CART | Atmospheric Radiation Measurement-Clouds And Radiation Testband |
| AM | Amplitude Modulation |
| PBYTE | Petabyte (1015bytes) |
| DEST | Directed Energy Science & Technology |
| CCHW | Citizens Clearinghouse For Hazardous Wastes |