| AMS | Annual Maintenance and Support |
| API | Advanced Publication Information |
| BER | Bit Error Rate |
| CSV | Comma Separated Values |
| EIRP | Equivalent Isotropic Radiated Power |
| EPFD | Equivalent Power Flux Density |
| ETSI | European Telecommunications Standards Institute |
| FS | Fixed Service |
| GIMS | Graphical Interference Management System |
| GSO | Geostationary Orbit |
| HEO | Highly Eccentric Orbit |
| IDWM | ITU Digitised World Map |
| IFIC | International Frequency Information Circular |
| ITU | International Telecommunications Union |
| KML | Keyhole Markup Language |
| KMZ | Keyhole Markup (Language) - Zipped |
| NFD | Net Filter Discrimination |
| OTR | On Tune Rejection |
| PFD | Power Flux Density |
| RX | Receive |
| SRS | Space Radiocommunications Stations |
| TLE | Two Line Element |
| TX | Transmit |
| UHF | Ultra High Frequency |
| VHF | Very High Frequency |