| Acronym | Meaning |
| AP | Anomalous Propagation |
| M | Mega |
| EP | Electrical Power |
| DASM | Design And Analysis Support Model |
| SLAP | Shuttle Laser Altimeter Prototype |
| BIT | Built-in Test |
| AMAD | Activity-median Aerodynamic Diameter |
| ARRL | Amateur Radio Relay League |
| CALLS | California Academia Libraries List Of Serials |
| AWSE | Australian Winter Storm Experiment |