This listing is comprehensive and occurs frequently. If you come across any ambiguous Acronym(s) or you want to add other, please write to us. Feedback/contact link is present on the bottom of this page. Commonly used Acronyms in Satellite Communications
| AM | Amplitude Modulation |
| AMPS | Analog Mobile Phone Service |
| AOS | Acquisition of Signal |
| APM | Amplitude Phase Modulation |
| ATM | Asynchronous Transfer Mode Asynchronous Transmission Mode |
| BAPTA | Bearing And Power Transfer Assembly |
| BDP | Bandwidth Delay Product |
| BER | Bit Error Rate |
| BO | Back Off |
| BOL | Beginning of Life |
| BPSK | Binary Phase-Shift Keying |
| CCIR | (Fr) Comite consultative International de Radio(En) International Radio Consultative Committee |
| CCIT | (Fr) Comite Consultatif International de Telephone et Telegraph(En) International Telephone and Telegraph Consultative Committee |
| CES | Coastal Earth Station (Marine) |
| COMSAT | Communications Satellite Corporation |
| DA 1 | Demand Assignment |
| DAMA 1 | Demand Assignment Multiple Access |
| DBS | Digital Broadcast Satellite |
| DM | Delta Modulation |
| DND | Downlink Degradation |
| DOMSAT | Domestic Satellite (USA) |
| DPCM | Differential Pulse Code Modulation |
| DSI | Digital Speech Interpolation |
| DSS | Digital Satellite Services |
| DTH | Direct to Home (Satellite Service eg TV) |
| DVB | Digital Video Broadcast |
| ECS | European Communications Satellite |
| EHF 2 | Extremely High Frequency |
| EIRP | Equivalent Isotropically Radiated Power |
| EOL | End Of Life |
| ES | Earth Station |
| ESA | European Space Agency |
| FCC | Federal Communications Commission (USA) |
| FDM | Frequency Division Multiplex |
| FDMA 1 | Frequency Division Multiple Access |
| FEC | Forward Error Correction |
| FM | Frequency Modulation |
| FSK | Frequency-Shift Keying |
| FSS | Fixed Satellite Service |
| GEO 3 | Geostationary Earth Orbit |
| GPS | Global Positioning Satellite |
| GSM | (Fr) Groupe Spe’cial Mobile(En) Global System for Mobile Communications |
| HDTV | High-Definition Television (high-def tv) |
| HEO 3 | Highly Elliptical Orbit |
| HPA | High Power Amplifier |
| HPBW | Half-Power Beam width |
| IDU | Indoor Unit (of Earth Station) |
| IMMARSAT | International Maritime Satellite (Organization) |
| INTELSAT | International Telecommunications Satellite (Organization) |
| INTERSUPTNIK | International Sputnik (Satellite Communications) |
| IOT | In-orbit Testing |
| IP | Internet Protocol |
| IRD | Integrated Receiver-decoder |
| ISBN | Integrated Satellite Business Network |
| ISL | Intersatellite Link |
| ISP | Internet Service Provider |
| JPEG | Joint Photographic Experts Group |
| LANDSAT | Land Survey Satellite |
| LEO 3 | Low Earth Orbit |
| LHCP | Left Hand Circular Polarization |
| LNA | Low Noise Amplifier |
| LNB | Low Noise Block/Back |
| LOS | Loss of Signal |
| MA 1 | Multiple Access |
| MAC | Monitoring Alarm and Control |
| MARISAT | Marine Satellite Communications |
| MCPC | Multiple Channel Per Carrier |
| MEO 3 | Medium Earth Orbit |
| MPEG | Motion Pictures Experts Group |
| MSAT | Mobile Satellite (for mobile communications) |
| MSK | Minimum Shift Keying |
| MUX | Multiplexer |
| NASA | National Aeronautics and Space Administration (USA) |
| NCS | Network Control Station |
| NOAA | National Oceanic and Atmospheric Administration (USA) |
| NSP | Network Service Provider |
| NTSC | National Television System Committee (Americas) |
| ODU | Out Door Unit (of Earth Station) |
| OMT | Orthogonal Mode Transducer |
| PAL | Phase Alternation Line (Asian) |
| PC | Personal CommunicationsPersonal Computer |
| PCM | Pulse Code Modulation |
| PFD | Power Flux Density |
| PLL | Phase Locked Loop |
| POTS | Plain Old Telephone Network |
| PSK | Phase-Shift Keying |
| PSTN | Public Service/switched Telephone Network |
| QPSK | Quaternary Phase-Shift Keying |
| QT | Qualification Test |
| RADAR | Radio Detection and Ranging |
| RADARSAT | Radar Satellite (remote sensing satellite) |
| RFC | Request for Comments |
| RHCP | Right Hand Circular Polarization |
| SAR | Synthetic Aperture Radar |
| SARSAT | Search and Rescue Satellite |
| SATCOM | Satellite Communications |
| SBS | Satellite Business Systems |
| SCPC | Single Channel Per Carrier |
| SDTV | Standard Definition Television (normal TV) |
| SECAM | (Fr) Sequential Couleur a Memoire (European) |
| SES | Sea Earth Station (Maritime) |
| SFD | Saturation Flux Density |
| SHF 2 | Super High Frequencies |
| SI | (Fr) Systeme International d’ Unites(En) International System of Units |
| SNG | Satellite News Gathering |
| SNR | Signal to Noise Ratio |
| SPADE | SCPC-PCM-MA-DA-Equipment |
| SPEC | Speech Predictive Encoded Communications |
| SS | Spread SpectrumSatellite Switched |
| SSB | Single Sideband |
| TASI | Time Assignment Speech Interpolation |
| TCP | Transmission/ Transport Control Protocol |
| TDM | Time Division Multiplexing |
| TDMA 1 | Time Division Multiple Access |
| TELESAT | Telecommunications Satellite |
| TIROS | Television and Infrared Observational Satellite |
| TT&C or TTC | Telemetry, Tracking and Command |
| TVRO | TV Receive Only |
| TWT/TWTA | Traveling-Wave Tube / Amplifier |
| UHF 2 | Ultra High Frequencies |
| VHF 2 | Very High Frequencies |
| VoIP | Voice over Internet Protocol |
| VP | Vertical Polarization |
| VSAT | Very Small Aperture Terminal |
| WARC | World Administrative Radio Conference |
| WWW | World Wide Web |
| XPD | Cross Polarization Discrimination |
Superscript 1: Details availability- Types of Multiple Access (tabulation)
Superscript 2: Details availability- Frequency Allocation (tabulation)
Superscript 3: Details availability- Orbital Categories (tabulation)
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