| Acronym | Meaning |
| M | Milli |
| NEC | Nippon Machines |
| A/C | Air Conditioning |
| RAAF | Royal Australian Air Force |
| AOSO | Advance Orbiting Solar Observatory |
| HPPI | High Performance Parallel Interface |
| UIP | UCAR Intellectual Property |
| BIT | Binary Digit |
| PID | Prototype International Directory |
| BLM | Bureau Of Land Management |