Commonly used Acronyms in Satellite Communications

Satellite Communications Engineering and modelling

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

Satellite Communications Engineering and modelling
Satellite Communications Engineering and modelling
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
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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Distribution of different frequency range

Different Frequency Range Distribution

This table might not provide all the necessary information for specific frequency range.

No hard and fast rule for opting an antenna for a particular frequency be there.

Many electrical factors (eg radiation efficiency, radiation pattern, maximum antenna gain, antenna impedance, frequency characteristics) and structural factors (eg shape, size, appearance, cost and other economic aspects) are to be taken into account.

Band Frequency Range Wavelength Services Remarks
ELF 3 Hz – 3 KHz Audio signal
VLF 3 – 30 KHz 100 – 10 km World-wide Telegraphy for ships, mine and marine   communication Audio and military navigation
LF 30 – 300 KHz 10 – 1 km AM Broadcasting, Long distance point-to-point   services, Navigation
MF 300 – 3000 KHz 1000 – 100 m AM Broadcasting, Navigation, Harbor telephony General MF antennas– center-fed or folded   dipoles 

Broadcasting antennas– inverted L or T   antennas

HF 3 – 30 MHz 100 – 10 m SW Broadcasting, OTH (Over the horizon) Radars General HF antennas– Half-wave antennas,   arrays like Yagi 

For TV transmission– Center fed dipole


For Communication– Fan dipole+loop+vertical   whip antennas

VHF 30 – 300 MHz 10 – 1 m FM, TV, Radar, Short distance communication,   Aircrafts and Ships Navigation, Telephony Horizontal Polarization used, Horn+Corner+Parabolic   Reflectors used, Slot radiators, Yagi arrays 

Broadband antennas ( conical unipole,   conical dipole, biconical, discone antenna)


All-around coverage given by   vertical+horizontal+circular polarization


For mobile – fin aerial antennas used

UHF 300 -3000 MHz 100 – 10 cm LoS + Sate Comm 

TV, short distance communication, Radar, LAN,   Cellular Mobile communication, GPS, Aircrafts Navigation, Aircraft Landing

SHF 3 – 30 GHz 10 – 1 cm LoS + Sat Comm 

Radar, Radio and TV relay links, Satellite   Communication, Data transmission

Antennas used are horms, reflector antennas and   lens antennas of different types.
EHF 30 – 300 GHz 10 – 1 mm LoS + Sat Comm 

Millimetric wave Radars, Amateur

300 – 3000 GHz < 1 mm Experimental applications

Some of the Facts on this table is referenced from Antennas for all applications, JD Kraus, 3rd Edition