| Acronym | Meaning |
| ADC | Analog-to-digital Converter |
| NUWIG | National Uranium Resource Evaluation |
| FR | Federal Register |
| ATMS | Advanced Traffic Management System |
| NOAASIS | NOAA Satellite Information System |
| SR | Steradian |
| ISSN | International Standard Serial Number |
| EMEP | European Model And Evaluation Program |
| OPTRAN | Optical Test Transmittance Model |
| ACSE | Association Control Service Element |