| Acronym | Meaning |
| RACON | RAdar BeaCON |
| MEO | Medium Earth Orbit - Most Efficient Organization |
| LI | Limburgish Language (ISO 639-1 Code) |
| KPNO | Kitt Peak National Observatory |
| SHP | Saint Helena Pound (ISO 4217 Currency Code) |
| WAK | Wake Island (ISO 3166 Trigram |
| NACA | (U.S.) National Advisory Committee For Aeronautics (1915?1958 |
| HP | Horse Power |
| DEFRA | (UK) Department For Environment |
| CISB | Complete In Sealed Box (Internet Auction/trading Listings) |