Satellite Technology Glossary

Satellite Technology Glossary

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There are 169 names in this directory beginning with the letter A.
A
Ampere

A-h
Amp-House

a.c. OR AC
Acquisition Cycle

a.u.
Astronomical Unit

A/D
Analog to Digital Conversion

AAC
Automatic Amplitude Control

ABC
Automated Brightness Control

ABM
Apogee Booster Motor

ABS
Absent

ABU
Asia-Pacific Broadcasting Union

AC/DC
Alternating Current or Direct Current

ACAST
Advisory Committee on the Application of Science and Technology to Development (UN)

ACC
Administrative Committee on Coordination

ACCEL OR ACEL
Accelerometer

ACD
Automatic Call Distribution

ACDE
Attitude Control and Determination Electronics

ACDS
Attitude Control and Determination Subsystem

ACE
Attitude Control Electronics

ACI
Acknowledgment Signal Unit

ACM
Acceptance Testing & Configuration Management

ACME
Analog Circuit Multiplication Equipment

ACP
Acquisition and Synchronization Processor

ACS
Attitude Control Subsystem

ACSSB
Amplitude Companded Single Sideband

ACTP
Abridged Condensed Time Plan

ACTS
Advanced Communication Technology Satellite (USA)

ACU
Acquisition Control Unit

ADC
Analog to Digital Converter

ADCE
Attitude Determination and Control Equipment

ADCS
Analog Despin Control System

ADDER
Automatic Digital Data Error Recorder

ADDR
Address Complete

ADE
Automatic Design Engineering

ADF
Automatic Direction Finder

ADI
Alternate Digital Conversion

ADM
Adaptive Delta Modulation

ADMA
Administrative Committee on Coordination

ADP
Acquisition Phase UW Detection

ADPCM
Adaptive Differential Pulse Code Modulation

AEN
Equivalent Articulation Loss (USA)

AEROSAT
Aeronautical Satellite System

AF
Audio Frequency

AFC
Automatic Frequency Control

AFCAC
African Civil Aviation Commission

AFSATCOM
Air Force Satellite Communications System (USA)

AFSK
Amplitude and Frequency-Shift Keying

AFT
Automatic Fine Tuning

AGC
Automatic Gain Control

AGRIS
Agricultural Research Information Service (FAO - USA)

Ah
Ampere-Hour

AI
Articulation Index (of a speech circuit)

AIAA
American Institute of Aeronautics and Astronautics (USA)

AIBD
Asia-Pacific Institute for Broadcasting Development

AIRE
Alarm Indication to Remote End

AIS
Alarm Indication Signal

AKM
Apogee Kick Motor

ALC
Automatic Light/Level Control

ALF
Absorption Limiting Frequency

ALGOL
Algorithmic Language

ALM
Apogee Lowering Maneuver

ALOHA
System developed by University of Hawaii to use RMA for Pacific island communications

ALT
Alternate

ALU
Arithmetic Logic Unit

AM
Air Mass

AMA
Automatic Message Accounting

AMC
Assistant Maneuver Coordinator

AMDS
Automated Earth Station Monitor & Diagnostics System

AMF
Apogee Motor Fire/Firing

AMI
Alternate Mark Inversion (signal); (bipolar signal)

AMS
Attitude Measurement Sensor

AMSAT
Radio Amateur Satellite Corporation (USA)

AMSL
Above Mean Sea Level

AMSS
Automatic Message Switching System

AMVFT
Amplitude-Modulated Voice Frequency Telegraphy

ANC
Active/Automatic Nutation Control

ANCS
Active Nutation Control(ler) System

AND
Type of logic circuit

ANDS
Active Nutation Damping System

ANG
Angle

ANI
Automatic Number Identification

ANIK
Domestic satellite network (owned by Telesat - Canada)

ANL
Automatic Noise Limiter

ANOD
Anode

ANS
Astronomical Netherlands Satellite (Netherlands/USA)

ANSI
American National Standards Institute (USA)

ANT
Antenna

ANTEL
Administraci n Nacional de Telecomunicaciones (El Salvador)

ANTELCO
Administraci n Nacional de Telecomunicaciones (Paraguay)

AOCS
Attitude and Orbit Control Subsystem

AOR
Atlantic Ocean Region

AOS
Acquisition of Signal

AP
Access Point

APC
Automatic Phase Control

APCS
Autonomous Payload Control System

APD
Acquisition Phase Unique Word Detection

APE
Antenna Positioning Electronics

API
Application Program Interface

APK
Amplitude-Phase Keying

APKS
Amplitude-Phase-Keyed System

APL
Average Picture Level

APM
Antenna Positioning Mechanism

APR
Asia Pacific Region

APS
Antennal Position Data Select Switch

APT
Asian Pacific Telecommunity

APTU
African Postal and Telecommunications Union

ARA
Angular Rate Assembly

ARABSAT
Arab Satellite Communication Organization

ARAEN
Reference system for the determination of the articulation reference equivalents

ARC
Atlantic Restoration Committee

ARE
Automatic Reconfiguration Electronics

ARENTO
Telecommunications organization (Arab Republic of Egypt)

ARIANE
Commercial European launch vehicle

ARIANESPACE
European Organization which operates ARIANE launch vehicle systems

ARIEL
Ionospheric satellite (UK)

ARM
Armed

ARP
Apparent Radiated Power

ARPA
Advanced Research Projects Agency (USA)

ARQ
Automatic Repeat Request

ARRL
American Radio Relay League (USA)

ART
Additional Reference Carrier Transmission

ARTI
Arab Regional Telecommunications Institute

AS
Articulation Score

ASA
American Standards Association

ASB
Anti-sideband

ASBU
Arab States Broadcasting Union

ASC
American Satellite Company (USA)

ASCII
American National Standard Code for Information Interchange

ASE
Airborne Support Equipment

ASEAN
Association of South East Asian Nations

ASETA
Asociacion de Empresas Estatales de Telecomunicacion del Acuerdo Subregional Andino (Association of State-owned Telecommunications of Subregional Andean Agreement)

ASI
Asynchronous Serial Interface

ASIASAT
Asian satellite system supported by UK

ASK
Amplitude Shift Keying

ASL
Above Sea Level

ASP
Acquisition and Synchronization Processor

ASR
Automatic Send and Receive

ASSR
Acquisition and Steady State Reception

AST
American Society for Testing Materials

ASTRA
Application of Space Techniques Relating to Aviation

ASU
Acknowledgment Signal Unit

ASWA
Adjustable Solar Wing Actuator

AT
Acceptance Test

AT&T
American Telephone and Telegraph Company (USA)

ATA
Aeronautical Telecommunications Agency (USA)

ATAA
Air Transport Association of America (USA)

ATB
All Trunks Busy

ATDA
Augmented Target Docking Adapter

ATECO
Automatic Telegram Transmission with Computers

Atlas/Centaur
Launcher (General Dynamics - USA)

ATM
Asynchronous Transfer Mode

ATME
Automatic Telegram Transmission with Computers

ATMS
Automatic Transmission Measuring System

ATN OR ATTN
Attenuation

ATP
Abbreviated Test Plan

ATR
Answering Time Recorder

ATS
Advanced Technology Satellite

ATU
Arab Telecommunication Union

AURA
Astronomy research satellite (France)

AUTO
Automatic

AUTOMOON
Automatic Moon Correction

AUTON
Autonomous commanding

AUTOON
Automatic Ace Turn On

AUX EST
Auxiliary Estimator for Earth Chord

AVC
Automatic Volume Control

AVD
Alternate Voice/Data

AVRG
Average

AX
Axial

AYAME
Experimental Telecommunication Satellite (Japan)

AZ OR Az
Azimuth