| Acronym | Meaning |
| MOS | Marine Observation Satellite |
| DSA | Directory System Agent |
| NQS | Network Queue System |
| WESTNET | University Of Colorado Network |
| ERDA | Energy Research And Development Administration |
| NEXUS | Navaid-based Upper- Air Sounding System |
| MCR | Multichannel Cloud Radiometer |
| MAC | Machine Aided Cognition |
| AWWA | American Waterworks Association |
| PCM | Punched Card Machine |