| BR | Radiocommunications Bureau |
| BSS | Broadcast Satellite Service |
| CDF | Cumulative Distribution Function |
| CPU | Central Processing Unit |
| DB | Database |
| DLL | Dynamic Link Library |
| EIRP | Equivalent Isotropic Radiated Power |
| EPFD | Equivalent Power Flux Density |
| FAQ | Frequently Asked Questions |
| FSS | Fixed Satellite Service |
| GIBC | Graphical Interface for Batch Calculations |
| GSO | Geostationary Orbit |
| GUI | Graphical User Interface |
| IS | Inter-satellite |
| ITU | International Telecommunications Union |
| LES | Large Earth Station |
| PFD | Power Flux Density |
| RR | Radio Regulations |
| RTF | Rich Text Format |
| SRS | Space Radiocommunication Stations |
| WCG | Worst Case Geometry |
| WP | Working Party |