| Acronym | Meaning |
| PJ | Petajoule |
| SUB | Student Union Building |
| MAGIC | Major Atmospheric Gamma-ray Imaging Cherenkov (telescope) |
| IVIS | Inter-Vehicle Information System |
| UMIST | University Of Manchester Institute Of Science And Technology |
| RHS | Right Hand Side - Redland High School |
| DF | Direct Fire - Direction Finding |
| AD | Air Defence -Andorra (ISO 3166 Digram) -Anno Domini (Latin |
| ARBA | Army Review Boards Agency |
| RTL | See Entry |