Radio Acronyms
4000+
(Always under construction)
By Hugh Stegman NV6H
At end of file:
Police/CB 10-codes
Other police codes
Computer networking standards
[~] = not an acronym, just looks like one
Radiospeak, techspeak, milspeak, NASAspeak, and compuspeak all developed for spoken, sent, or stored brevity. As Larry Van Horn is always noting, acronyms and abbreviations don't always save all that much space in written text.
Utility Planet tries to slog through all the alphabet soup and write in good old English. Often, we fail. Decode our lapses thusly:
Acronym Definition
----------- -------------------------------------------------------
// Parallel transmission (simulcast) on --
/// Cloud layer below observing station
π/4–QPSK Pi-over-4 Quadrature Phase Shift Keying
+FC Tornado on the ground
1 LT first lieutenant
10-X "Ten-Ten," ten-meter amateur award
16-DPSK 16-Phase Differential Phase-Shift Keying
16P4A 16 phase, 4 amplitudes
2 LT second lieutenant
220SMA 220 (MHz) Spectrum Management Assn (Amateur)
2600 (1) 2600 Hz, audio frequency used for US telephone idle tones
(2) Hack/Phreak magazine, named in honor of above
(3) Use of tone-spoofing equipment to control phone switches; now
a good way to go to jail
2G Second Generation
2G ALE Second generation automatic link establishment
32BDA 32-Bit Disk Access (Windoze)
3D Three dimensional (like some weather models)
3F Three-figure code groups (mixed or all numbers)
3FG Three-figure code groups
3G Third Generation
3G ALE Third generation automatic link establishment
3GPP Third Generation Partnership Project
3G-TM Third Generation Traffic Management Protocol
3L Three-letter code groups
3LG Three-letter code groups
4F Four figure code groups (mixed or all numbers)
4FG Four figure code groups
4G Fourth Generation
4G LTE Fourth Generation - Long Term Evolution
4L Four-letter code groups
4LG Four-letter code groups
5 by 5 (1) Signal report: readability 5, strength 5
(2) Signal report: you are loud and clear
5D Demand Driven Direct Digital Dissemination
5F Five-figure code groups (mixed or all numbers)
5FG Five-figure code groups
5L Five-letter code groups
5LG Five-letter code groups
73 Old telegraphy slang: "Best regards"
81-81 Strange Russian teleprinting system, popular in Cuba
88 Old telegraphy slang: "Love and kisses"
89/336/EEC European electromagnetic compatibility directive
8-DPSK 8-Phase Differential Phase-Shift Keying
8P2A 8 phase, 2 amplitudes
A Index 24-hour magnetic activity index, lower=better
A (1) Altimeter setting
(2) Old "A" battery, for portable radio tube filaments
A&P Airframe & Powerplant, U.S. aircraft mechanic certificate
a/c Aircraft
A/D Analog to digital converter
A/G Air to ground
A0 AM carrier with no modulation, now N0N
A1 (Alpha-1) Aircraft maintenance status: no writeups; plane OK
A1A Morse telegraphy for aural copy, i.e. "CW"
A2 (Alpha-2) Status: write up non-mission-critical system
A2A Modulated CW telegraphy for aural copy, i.e. "MCW"
A3 (Alpha-3) Status: write up critical system; mission aborted
A3E AM voice or broadcasting
AA CW prosign: "[repeat] all after"
AAA (1) Anti-Aircraft Artillery
(2) Authentication, Authorization and Accounting
AAAS American Association for the Advancement of Science
AAB Automatic Answer-Back (RTTY)
AABCP Advanced airborne command post
AAC Advanced Audio Coding
AACC Airborne Air Command Center
AADC Area Air Defense Commander
AAF (1) Auxiliary Airfield
(2) Army Air Forces, obsolete
AAFES Army and Air Force Exchange Service
AAIC Accounting Authority Identification Code
AAL ATM Adaptation Layer
AAL-1 Synchronous adaptation layer designed for carrying voice trunk lines
AAL-2 Adaptation layer intended for variable bit rate video, but never really
got off the ground and is not offered by vendors
AAL-3/4 Adaptation layer intended to be used by Frame Relay and SMDS
and other delay-insensitive variable rate or bursty data traffic,
but mostly now passed over in favour of AAL-5
AAL-5 'Simple and efficient adaptation layer' for computer networking
AALC (1) Amphibious Assault Landing Craft
(2) Amplified automatic level control
AAM Air to Air Missile
AAMDS Automated Air Movement Data System
AAMSS Arinc Aeronautical Mobile Satellite Service (proposed; would replace
much of MWARA)
AAR (1) Air to Air Refueling
(2) After-Action Review
(3) Automatic Alternate Rerouting
(4) Assn. of American Railroads
AARS Army Amateur Radio System, started 1925, now part of MARS
AASS Advanced Air Surveillance Radar
AATO Automated Air Tasking Order
AAV Assault Amphibious Vehicle
AAVP Advanced Aircrew Vision Protection
AAW Anti-Air Warfare
AB (1) Air Base
(2) CW prosign: "[repeat] all before"
ABA Australian Broadcasting Authority
ABAS Aircraft Based Augmentation System (GPS)
ABC (1) Atomic, Biological, Chemical (warfare)
(2) American Broadcasting Company
(3) Australian Broadcasting Corporation
ABCA American, British, Canadian, Australian
ABCC Airborne battlefield command and control center
ABCCC Airborne Command Control Center
ABCS Army Battle Command System
ABD Air Base Defense
ABIS Advanced Battlespace Information System
ABITS Airborne Imagery Transmission System
ABL Airborne Laser
ABM Anti-Ballistic Missile
ABN Airborne
ABNCP Airborne National Command Post
ABO Annular Beam Oscillator
ABOR Abort
ABU Asia Broadcast Union
AC (1) Alternating Current
(2) Active Components (US Army)
(3) Acquisition Center
AC&I Acquisition, Construction & Improvement
ACA (1) Airspace control authority
(2) Australian Communications Authority
ACAA Automatic chemical agent alarm
ACAP Application Configuration Access Protocol (computing)
ACAPS Area communications electronics capabilities
ACARS Aircraft Communications Addressing and Reporting System
ACAS Airborne Collision Avoidance System
ACAT Acquisition Category
ACC (1) Air Combat Command (US)
(2) Area Communication Center
(3) altocumulus castellanus
ACCHAN Allied Command Channel
ACCINTNET ACC Intelligence Network
ACCMSF Advanced Cooperative Collection Management
ACCS Air Command and Control System
ACE (1) Airborne Command Element
(2) Advanced Composition Explorer (NASA)
ACERT Army Computer Emergency Response Team
ACF (1) Autocorrelation Factor
(2) Advanced Common Flightdeck
ACFT MSHP aircraft mishap
ACI Air Control Intercept
ACINT Acoustic intelligence
ACIS Air Combat Information System
ACJ Advisory Circular, Joint
ACK Positive Acknowledgment (ASCII 06)
ACLS Automatic Carrier Landing System
ACM (1) Association for Computing Machinery
(2) Advanced Cruise Missile
(3) Air Combat Maneuvering
ACMI Air Combat Maneuvering Instrumentation
ACOM U.S. Atlantic Command
ACP (01) Allied Communication Publication (127, etc)
(02) Allied Communication Protocol
(03) Adjacent Channel Power
(04) Adjacent Channel Protection
(05) Access Control Point
(06) Access Control Protocol
(07) Access Communications Processor
(08) Achieved Communication Performance (ARINC)
(09) Adaptive Communications Processor
(10) Advanced Communications Package
(11) Alternate Command Post
(12) Airborne Command Post
(13) Area Command Post
(14) Automated Command Post
(14) Applied Communication Program
(15) Automatic Communications Processor
(16) Automatic Colt Pistol
(17) Autoloading Colt Pistol
ACP100 Allied Call Sign and Address Group System - Instructions and
Assignments
ACP110 Tactical Call Sign Book
ACP112 Task Organization Call Sign Book
ACP113 Call Sign Book for Ships
ACP117 Allied Routing Indicator Book
ACP119 Allied Tactical Voice Call Sign System - Instructions and Assignments
ACP121 Communications Instructions - General
ACP122 Communication Instructions - Security
ACP123 Common Messaging Strategy and Procedures
ACP124 Communication Instructions - Radiotelegraph Procedure
ACP125 Communication Instructions - Radiotelephone Procedure
ACP126 Communication Instructions - Radioteletype Procedure
ACP127 Communication Instructions - Tape Relay Procedures
ACP127SUP1A Allied RATT Procedures (RTTY)
ACP128 ALTERS Operating Procedures
ACP129 Communications Instructions - Visual Signalling Procedures
ACP130 Direction Finding Procedure
ACP131 Communication Instructions - Operating Signals
ACP134 Telephone Switchboard Operating Procedure
ACP135 Communications Instructions - Distress and Rescue Procedures
ACP136 Communication Instructions - Panel Signaling
ACP147 Call Sign Book for Merchant Ships in Time of War
ACP148 Allied Guide to Master
ACP149 Radio Communication Instructions for Merchant Ships Under Naval
Control
ACP150 Recognition and Identification Instructions, Air, Land, and Sea Forces
ACP160 IFF SIF Operational Procedures
ACP165 Operational Brevity Codes
ACP167 Glossary of Communications-Electronics Terms
ACP168 Pyrotechnic Signals
ACP176 Allied Naval and Maritime Air Communication Instructions
ACP177 Land Forces Electronic Warfare Instructions
ACP178 Maritime Electronic Warfare Instructions
ACP179 Electronic Warfare Instructions for Air Forces
ACP190 Guide to Frequency Planning
ACP198 Instructions for the Preparation of Allied Communications Publications
ACPR Adjacent-Channel Power Rejection
ACPR Adjacent-Channel Protection Ratio
ACPW Assymetrical CoPlanar Waveguide
ACR Armored cavalry regiment
ACRM Automated Communication Resource Manager
ACRONYM Actual Computer Related Overused Name You Mention
ACS (1) Assistant chief of staff
(2) Agile Combat Support
(3) Airborne COMINT System
(4) Attitude Control System
ACSB Amplitude Compandored SideBand
ACSL altocumulus standing lenticular cloud
ACT Airborne Communications Terminal
ACTD Advanced Concept Technology Demonstration
ACTEX Active Controls Technology Experiments
ACTIVE Advanced Controls Technology for Integrated Vehicles
ACTS (1) Air Combat Training System
(2) Automated Computer Time Service
ACU Avionics Control Unit
ACV Air Cushion Vehicle
ACW Air Control Wing (like 552nd AWACS at Tinker)
ACW autonomous collision warning system
ADA (1) Americans with Disabilities Act
(2) Old computer language, not an acronym, named for Ada Babbage,
the world's first programmer
ADAS AWOS Data Acquisition System (Nice nested acronym)
ADC Analog-to-Digital Convertor
ADCC Air Defense Control Center
addr Address
ADDS Aviation Digital Data Service
ADES Airdrop equipment and systems
ADF (1) Automatic direction finding
(2) Australian Defence Forces
ADIZ Air Defense Identification Zone
ADM Admiral
ADMD Administration Management Domain
ADMIS Aircraft Departing at # Minutes Interval
ADO (1) ActiveX Data Objects
(2) Active Data Objects
ADOC Air defense operation center
ADONIS Article Delivery Over Network Information Systems
ADP Automated data processing
ADPCM Adaptive differential pulse-code modulation
ADPE Automated Data Processing Equipment
ADPS ASARS Data Processing Station
ADPSIS Automated Data Processing Software Inventory System
ADPSO Automated Data Processing Security Officer
ADPSSO Automated Data Processing System Security Officer
ADR CW brevity: address
ADRG ARC Raster Digitized Graphics
ADS (1) Advanced Distributed Simulation
(2) Automatic Dependent Surveillance
ADS-B Automatic Dependent Surveillance - Broadcast
ADS-C Automatic Dependent Surveillance - Contract
ADSI Air Defense System Integrator
ADSL Assymetric Digital Subscriber Line
Ae Auroral Electrojet magnetic activity index
AEEC Airlines Electronics Engineering Committee
AEOS Advanced Electro-Optical System Spectrograph
AEPDS Advance Electronic Processing and Dissemination System
AES (1) Advanced Encryption Standard
(2) Application Environment Specification
(3) Audio Engineering Society
AEW&C Airborne Early Warning & Control
AF (1) Air Force
(2) Audio Frequency (30 Hz - 30 kHz)
AFAMPE Air Force Automated Message Processing Exchange
AFATDS Advanced Field Artillery Tactical Data System
AFB Air Force Base
AFC Automatic frequency control
AFCA Air Force Communications Agency (US)
AFCS Automatic Flight Control System
AFDC Air Force Doctrine Center
AFEPS ACARS Front-End Processor System (ground computer network)
AFETR Air Force Eastern Test Range
AFEWES Air Force Electronic Warfare Effectiveness Simulator
AFFF Aqueous Film Forming Foam (fire fighting)
AFFSA Air Force Flight Standards Agency
AFGIHS Air Force Geographic Information Handling System
AFGWC Air Force Global Weather Central at Offutt AFB, NE
AFI (1) Africa/Indian Ocean (MWARA)
(2) Air Force Instruction (official directive)
(3) American Film Institute
AFIT Air Force Institute of Technology
AFIWC AF Information Warfare Center
AFK Absolute Frequency Keying (amateur very slow Piccolo)
AFKAI Air Force Cryptographic Aid, Recognition and Identification Systems
AFMC Air Force Materiel Command
AFMSS Air Force Mission Support System
AFN American Forces Network (US broadcast for military)
AFNET Air Force Integrated Telecommunications Network
AFOS Automation of Field Operations and Services
AFOSR Air Force Office of Scientific Research
AFR Armed Forces Radio
AFRES Air Force Reserve (US)
AFRL Air Force Research Laboratory
AFRN Armed Forces Radio Network
AFRTS Armed Forces Radio & Television Services
AFS (1) Air Force Station
(2) Aeronautical Fixed Service
AFSAA AF Studies and Analysis Agency
AFSATCOM Armed Forces Satellite Communication
AFSFC Air Force Space Forecasting Center
AFSFCR AF Space Forecast Center Replacement
AFSK Audio frequency-shift keying
AFSOC Air Force Special Operations Command
AFSOF Air Force Special Operations Forces
AFTCO Air Force Telecommunications Certification Office
AFTN Aeronautical Fixed Telecommunication Network
AFV Alternate Fuel Vehicle
AFW Air Force Weather
AFWSS Air Force Weather Support System
AFWTF Atlantic Fleet Weapons Training Facility
AG (1) Adjutant general
(2) Airlift Group
AGC Automatic gain control
AGE Aerospace Ground Equipment (pronounced like how old you are;
when you replace it you order New Age)
AGI Auxiliary, General Intelligence (USN designator for Russian spy ship)
AGL (1) Above ground level
(2) Air to Ground Laser
AGM Air to Ground Missile
AGSOC Aviation Ground Support Operations Center (USMC)
AGU American Geophysical Union
AGWPE AGW Packet Engine (creator: SV2AGW)
Ah Ampere-hour(s), battery capacity
AH Authentication Header
AHAMSL Antenna height above mean sea level
AHD Acoustic Hailing Device
AHDL Analog Hardware Descriptive Language
AHF Adaptive High Frequency
AHMSL Antenna height above mean sea level
AHP Army Heliport
AI (1) Artificial intelligence
(2) Air Interdiction
(3) Airborne Interceptor
(4) Avionics Infrastructure
AIA Air Intelligence Agency
AIC Air Intercept Control
AICPITS All India Coordinated Program of Ionosphere & Thermosphere Studies
AIDA Atmospheric Investigations of Dynamics over Arecibo
AIDC (1) Air Traffic Services Interfacility Data Communication
(2) Automatic Identification and Data Capture
AIFSS Automated International Flight Service Station
AIG (1) Address Indicator Group
(2) Air Intelligence Group
AIM (1) Air launched Interceptor Missile
(2) AOL Instant Messenger (popular internet talk program)
AIN Advanced Intelligent Network (US NCS)
AIR (1) All-India Radio
(2) Aviation Incident Response (Red Cross)
AIREP Air Report; weather observation, like a PIREP
AIRES Advanced Imagery Requirements and Exploitation System
AIRK Area interswitch rekey
AIRFL Aerial Refueling
AIRMET Air Meteorological Information
AIRST Advanced Infrared Search and Track
AIS (1) Automatic Identification System (USCG)
(2) (Universal) Automated Identification System
(3) Alarm Indication Signal
AJ Anti-Jam
AJCOM Anti-Jam Communications
AkDT Alaskan Daylight Time, US
AkST Alaskan Standard Time, US
AL Approach and landing
ALARM Air-Launched Anti-Radiation Missile
ALC (1) Automatic level control
(2) Air logistics center
(3) Aviation Logistics Center (USCG, NC)
ALCC (1) Airborne Launch Control Center
(2) Airlift Coordination Cell
ALCE Airlift Control Element
ALCF Airlift Control Flight
ALCM Air Launched Cruise Missile
ALCS (1) Airlift Control Squadron
(2) Airborne Launch Control System
ALE Automated Link Establishment
ALERT Attack & Launch Early Reporting to Theater
ALF Absorption Limiting Frequency, realtime version of LUF
AlGaN Aluminum-Gallium Nitride
ALIS Automatic LInk Setup
ALIS-2 Improved Automatic LInk Setup
ALOC Air Lines Of Communication
Aloha Wide-area net protocol, developed at U of Hawaii
ALP Airport Location Point
Alpha 1-3 Aircraft maintenance status (1 is best)
Alpha Hotel A-- H--- (also Adam Henry)
ALQA Active Link Quality Analysis
ALS (1) Advanced Life Support
(2) Airlift squadron
ALTERS Allied Telecommunications Record System
ALTRV Altitude Reservation
ALU Arithmetic Logic Unit (computer h/w)
ALW Airlift Wing
AM (1) Amplitude Modulation
(2) Aeronautical Mobile
(3) Ante Meridian, hours between midnight and 11:59 local
AMARC Association Mondiale des Radiodiffusuers Communautaires
AMARG Aerospace Maintenance And Regeneration Group
AMASS Airport Movement Area Safety System
AMBALG Algerian Embassy
AMBE Advanced Multi-Band Excitation
AMC (1) Air Mobility Command (old Air Force MAC, MATS)
(2) Army Materiel Command (US)
AMCC Air Mobility Control Center
AMCLD Active Matrix Liquid Crystal Display
AMCO Aircraft maintenance company
AMCS Air Mobility Control Squadron
AMD (1) American Micro-Devices (with Cyrix, Intel's competition)
(2) Automatic Message Display
AMDRFM Advanced Monolithic Digital Radio Frequency Memory
AME (1) Automatic Message Exchange
(2) Air Mobility Element
(3) Amplitude modulation equivalent
AMEDD Army Medical Department
AMHS (1) ATS Message Handling System
(2) Aeronautical Message Handling System
AMI Alternate Mark Inversion
AMMCS Airborne Multimedia Multiservices Communication System
AMO Air & Maritime Operations
AMOC Air & Maritime Operations Center (CBP)
AMOG Air Mobility Operations Group
AMOS Air Force Maui Optical Site
AMP Antenna Maintenance Program
AMPS (1) Advanced Mobile Phone Service (analog, obsolete)
(2) Automated Mission Planning System
AMRAAM Advanced Medium-Range Air-to-Air Missile
AMRAD Amateur Radio Research And Development Corporation
AMRS Austrian Military Radio Society
AMS Analog Mixed Signal
AMSA Australian Maritime Safety Agency
AMSAT Radio Amateur Satellite, Inc.
AMSI Arctic Maritime Safety Information
AMSS (1) Aeronautical Mobile Satellite Service
(2) Amplitude Modulation Signalling System
AMTOR Amateur Teleprinting Over Radio (Ham SITOR)
AMVER Automated Mutual Assistance Vessel Rescue System
AMW Air Mobility Wing
AMX Air Mobility Express
AN Army/Navy (prefix on US military type designators)
AN/FRT Army/Navy Fixed Radio Transmitting
AN/GRC Army/Navy General Radio Communication
AN/MRC Army/Navy Mobile Radio Communication
ANA Automatic Network Analyzer
ANARC Assn. of North American Radio Clubs
ANDVT Advanced Narrowband Digital Voice Terminal
ANG Air National Guard
ANGB Air National Guard Base
ANI Automatic Number Identification
ANL Automatic noise limiter
ANMCC Alternate National Military Communications Center (?)-WAR 46
Annmt Announcement
Annr Announcer
ANS (1) Air Navigation Services
(2) Advanced Network Services, operates an Internet backbone
ANSI American National Standards Institution
ANSP Air Navigation Service Provider
ANT (1) Antenna [~]
(2) Advantaged Node Technology
ANZAC Australian and New Zealand Army Corps (WWI)
ANZUK Australia, New Zealand, United Kingdom (alliance)
ANZUS Australia, New Zealand, United States (alliance)
AO (1) Area of operations
(2) Acoustic-Optical
AO1 automated station without precipitation discriminator
AO2 automated station with precipitation discriminator
AOA (1) Angle Of Arrival
(2) ACARS Over AVLC (ARINC, neat nested acronym)
AOC (1) Air Operations Center
(2) Airline Operations Center
(2) Army Operations Center (Pentagon)
(3) Air Operational Control
(4) Air Operator's Certificate
(5) Area Of Concern
(6) Area Of Concentration
(7) Area Of Contamination
(8) Aeronautical Operational Control/ Communications
(9) Award Of Contract
AOCC (1) Airport Operations Control Center
(2) Aeronautical Operational Control Communications
AOE Airport Of Entry
AOI Area Of Interest
AOO Area Of Operations
AOR (1) Area Of Responsibility
(2) Atlantic Ocean Region (USCG GMDSS)
AOV ACARS Over VDL (ARINC, neat nested acronym)
AOS (1) Acquisition Of Signal
(2) Area Of Service
Ap Planetary A index of geomagnetic activity
AP (1) Access Point
(2) Associated Press
APC (1) Armored personnel carrier
(2) American Personal Communications
APCO Association of Public Safety Communications Officials
APCO 25 Project 25 (P25), Standard for digital public safety radio
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