| Acronym | Meaning |
| GMT | Greenwich Mean Time |
| AQCR | Air Quality Control Region |
| AGU | American Geophysical Union |
| PCM | Punched Card Machine |
| RA# | Raleigh Number |
| ANM | Alternate Nuclear Materials |
| ILP | International Lithosphere Programme |
| NAWPG | National Aviation Weather Products Generator |
| SERON | Southeastern Regional Oxidant Network Program |
| DF | Direction Finding |