| Acronym | Meaning |
| NTCC | Nimbus Technical Control Center |
| CCT | Computer-compatible Tape |
| F/P-INT | Fabry-Perot Interferometer |
| ERS | Element Requirements Specification |
| AWS | Air Weather Service |
| ACAP (ACAPS) | Advanced Computer For Array Processing |
| ATEX | Atlantic Tropical Experiment |
| AIP | Additions In Progress |
| VTVM | Vacuum Tube Voltmeter |
| SAV | State-of-the-atmosphere Variable |