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A
A-6 - Air Force Director of Communications
A - alarm
A-Law - A-law is the companding standard used in the analog-to-digital conversion process (and vice-versa) in PCM systems, European telephone networks.
A&MD - air and missile defense
A/B-Bit - Signaling - A procedure used in most T1 transmission facilities in which one bit stolen from every sixth and twelfth frame of the 24 time slots is used to carry dial and control information. The control bit in the first six frames is called the A-bit, and the control bit in the second six frames is the B-bit.
A/D - analog-to-digital
A/G - air to ground
A/L - administrative/logistics
A2C2S - Army Aviator (Airborne) command and control system
aa - device address
AA - auto answer
AAA - assign alternate area
AAA - assign alternate routing
AAB - all-to-all broadcast
AABNCP - advance airborne command post
AACA - Army airlift clearance authority
AACG - arrival airfield control group
AACOMS - Army area communications system
AACS - asynchronous address communications systems
AADC - Area Air Defense Commander
AADCOM - Army Air Defense Command
AADEOS - advanced air defense electro optical sensor (system)
AADPS - algorithmic architecture data processing subsystem
AADSACS - Army air defense Surveillance and control system
AAE - Army acquisition executive
AAE - automatic adaptive equalization
AAFIP - Automated air facilities information file
AAGS - Army air-ground system
AAIC - active addressing integrated circuits
AAIRS - airport/air carrier information reporting system
AAL - assign affiliation lists
AAL - account access layer
AAL - assign affiliation lists
AAL - (ATM adaptation layer) - The standards layer that allows multiple applications to have data converted to and from ATM cells. A protocol that translates higher layer services into the size and format of ATM cells.
AAL-5 - (ATM adaptation layer type 5) - AAL functions in support of variable bit rate, delay-tolerant connection-oriented data traffic requiring minimal sequencing or error detection support.
AALCD - active addressing liquid crystal display
AALPS - automated airload planning system
AAMA - area airspace management authority
AAMDC - Army Air Missile Defense Command
AAMMS - Army automated multi-media system
AAMPS - automated aircraft mission planning system
AAMT - Army ACTS mobile terminal
AAP - automatic asset placement
AAPPES - Army automation planning, programming, and evaluation system
AAR - after action review
AAR - air-to-air receive
AAR - automatic adaptive (alternative) routing
AARS - advanced airborne (aerial) radar system
AARS - advanced airborne radiac system
AAS - advanced automation system (FAA)
AAS - all-to-all scatter
AASC - Army area signal center
AASP - ASCII asynchronous support package
AASR - advanced airborne surveillance radar
AAT - automatic analog test
AAT - average access time
AATR - air-to-air transmit/receive
AAU - analog applique unit
AAVS - aerospace audiovisual system
AAWC - anti-air warfare commander (Navy)
AAWCS - anti-air warfare combat system
AAWWS - airborne adverse weather weapons system
AB - Ada based
AB - address bus
AB - answer back
ABC - activity based costing
ABC - analog backup computer
ABC - automatic bar code
ABC - (Absolute Bus Cycle) - Unit of interface relative to the start of the TBus frame. Contrast with relative bus cycle (RBC).
ABCC - airborne battlefield command and control center
ABCC - airborne communications center
ABCS - Army battle command system
ABCS - Army Battlefield Control System
ABD - assign bypass and duplication
ABD - Ada based document
ABD - assign bypass and duplication transfer
ABDDD - Ada based development design document
ABDT - answer back-day and time
ABFC - advanced base functional component system
ABI - application binary interface
ABI - Ada binding interface
ABIC - Army battlefield interface concept
ABIS - advanced battlespace information system
ABIT - airborne information transmission system (USAF)
ABIT - automatic built-in test
ABL - assign blacklist deletion
ABM - asynchronous balanced mode
ABM - air battle manager
ABMOC - air battle management operation center
ABN - airborne
ABNCC - airborne command and control
ABNCP - airborne command post
ABNOC - ABN operations center
ABPDD - Ada based product design document
ABR - assign bypass reception
ABR - airborne relay
ABR - available bit rate
ABR - assign bypass reception
ABS - advanced battle simulations
ABSM - answer back service message
ABT - assign bulk transfer
ac - alternating current
AC - area code
AC - armament computer
AC2MP - Army command & control master plan
ACA - acquisition capability assessment
ACA - air control authority
ACA - Australian Communications Authority
ACA - automatic circuit assurance
ACA - automatic conference arranger
ACACS - Army command and area communications system
ACALS - Army computer aided logistics system
ACARS - aircraft communications addressing and reporting system (FAA)
ACAS - Army commissary automated system
ACC - area control center
ACC - accumulator
ACC - air combat command (Air Force)
ACC - air control center
ACC - BLACKER access controller
ACC - Army Communications Command
ACC - automated carrier control
ACCAT - advanced command and control architectural testbed
ACCF - Area communications control facility
ACCIS - Army command and control information system
ACCN - Army command and control network
ACCOR - Army COMSEC central office of record
ACCS - air command and control system (NATO)
ACCS - Army command and control system
ACCSA - Allied Communications and Computer Security Agency (NATO)
ACCSDP - Army C&C development plan
ACD - automatic (automated) call distribution (distributor)
ACDI - asynchronous communications device interface
ACDS - advanced combat direction System
ACE - air combat element
ACE - adaptive communications element (USAF)
ACE - airborne (adaptive) command element (USAF)
ACE - air combat element (NATO)
ACE - automated commercial environment (Customs)
ACE - aviation combat element (USMC)
ACEC - Ada compiler evaluation capability
ACERT - Army computer emergency response team
ACES - automated communications engineering software
ACES - access certificates for electronic services
ACES - air combat engagement simulator
ACES - automated command and control evaluation system
ACES - automated communications engineering software
ACES - automated computer examination system (FBI)
ACF - access control facility (field)
ACF - access coordination fee
ACF - advanced communications function
ACI - adjacent channel interference
ACI - assign call inhibit
ACIC - Aeronautical Chart and Information Center
ACID - adaptive COMSEC interface device
ACID - all-service combat identification demonstration
ACIM - airborne communications interface module
ACIND - air customer information needs database
ACINT - acoustic intelligence
ACIPS - acoustic intelligence processing system
ACIS - American committee for interoperable systems
ACIS - Army command information system
ACIS - Automated combat information system
ACK - acknowledgement flag, TCP header
ACK - (Acknowledgment) - Control code or designation for a positive acknowledgment; sent from a receiver to the transmitter to indicate that a transmission or sequence of transmissions has been received correctly.
ACL - access control list
ACLDB - Army central logistics data Bank
ACLI - Ada command language interpretation
ACM - Association for Computing Machinery
ACME - Adaptive Collection management environment
ACMES - automated communications security management and engineering system
ACMES - Automated COMSEC Management and Engineering System
ACMS - application control management system
ACO - airspace control order
ACO - Army cryptologic operations
ACOC - area communications operations center
ACOE - Army common operating environment
ACOMMS - air communications squadron
ACP - Allied Communications Publication
ACP - ancillary control program
ACP - air campaign planning tool
ACP - automated command post
ACP - assign common-pool compressed dial list
ACPI - advanced configuration and power interface
ACPU - auxiliary computer power unit
ACQW - asymmetric coupled quantum well
ACR - access control register
ACR - alternate carrier routing (NCS)
ACR - assign channel reassignment
ACR - armored cavalry regiment
ACRC - alternate control reporting center
ACS - AUTODIN Switching Center
ACS - access control system
ACS - adaptive control system
ACS - aerial common sensor
ACS - afloat correlation system
ACS - automated commercial system (Customs)
ACSA - Allied Communications Security Agency
ACSIM - assistant chief of staff for information management
ACSO - assistant corps Signal officer
ACSU - advanced channel service unit
ACT - annual change traffic
ACTA - AmericaÕs Carriers Telecommunication Association
ACTD - advanced concept technology demonstration
ACTFAST - advanced concepts and technology rrequency agile solid state tuner
Action - Menu - The Operator Interface Action Menu contains the actions that can be performed. Each action is typically associated with a list of objects (Object Menu) on which the action is performed.
ACTO - Army Communicative Technology Office
ACTS - advanced communications technology satellite
ACTS - advanced communications technologies and services (Europe) (was RACE)
ACU - antenna control unit
ACU - auto call (calling) unit
ACUS - Area Common User System
ACVC - Ada compiler validation capability (capacity)
ACWAR - agile continuous wave acquisition radar
ADA - air defense artillery
ADA - airborne data automation
ADACS - air defense artillery control system
ADAMS - allied deployment and movement system
ADANS - airlift deployment analysis system
ADAPT - architectures design, analysis and planning tool
ADAR - air defense radar
ADARS - advanced defense avionics response strategy (USAF)
ADARS - adaptive antenna receive system
ADAS - airborne data automation system
ADATS - Army development and acquisition of threat simulators
ADB - assign data base transfer
ADC - adaptive data compression
ADC - analog to digital converter
ADC - asynchronous data communications
ADC - automatic data controller
ADCC - air defense control center
ADCCP - advanced data communications control procedures
ADCEO - Assistant Division Communications-Electronics Office
ADCP - air defense communications platform (USMC)
ADCS - advanced defense communications satellite
ADCS - air defense control system
ADCS - automated document conversion system
ADDISS - advanced deployable digital imagery support system
ADDM - asynchronous digital data modem
Address - Digital information (a combination of bits) that identifies the location of a terminal, peripheral device, a node, or any other unit or component in a network. Used mainly for routing purposes; in telephony the number entered by the caller that identifies the party called.
Address - Packet - The address packet is a call setup-signaling packet that carries the call setup information. It is transmitted in accordance with the standards in CCITT Signaling System Number 7. The Call Controller task at each node sets up call resources based on information in the address packet.
Address - Signals - Signals used to convey call destination information, such as telephone station code, central office code, and area code. Some forms of address signals are call pulses (for example, dial or multifrequency pulses).
ADDS - air deployable delivery system (Navy)
ADDS - Army data distribution (dictionary) system
ADE - Army data encyclopedia
ADE - advanced development environment
ADE - assign digit editing lists
ADE - Assign Digit Editing List Command
ADEIE - associated digital error improvement equipment
ADEPT - acquisition of desktop extended processing technology (USPS)
ADEWS - air defense electronic warfare system
ADF - application dependent format
ADF - automatic direction finder
ADF - automatic document feed
ADGE - air defense ground environment
ADH - automatic data handling
ADI - Air Defense Interface
ADIMSS - Automated DSN Integrated Management Support System
ADIMSS - Automated DSN Integrated Management Support System
ADIMSS - Advanced DSN Integrated Management Support System
ADIS - automated distributed intelligence system
ADIZ - air defense identification sone
adj - adjacent
ADL - Ada design language
ADL - address data latch
ADL - advanced distributed learning
ADL - automatic data link
ADLAT - adaptive lattice filter
ADM - advanced development model
ADM - automatic display mode
ADM - Admin
ADMAPS - automated document management and publishing system
ADMD - administrative management domain [X.400]
admin - administrative
ADMP - Army digitization master plan
ADMS - automated digital multiplexing system
ADN - area distribution node
ADN - automatic digital network
ADNET - anti-drug network
ADNS - Automatic Data Networking System
ADNX - Adaptive Digital Network Exchange
ADO - Army digitization office
ADOCU - air defense orderwire control unit
ADP - automated data processing
ADP - atmospheric downstream plasma etching
ADPCM - (Adaptive Differential Pulse Code Modulation) - ADPCM takes advantage of the high statistical correlation between consecutive voice samples to create a variable (or adaptive) quantizing scale.
ADPE - automated data processing equipment
ADPR - automated data processing resources
ADPSSO - automatic data processing special security officer
ADR - automatic data relay
ADRG - advanced research center
ADRG - automatic digital raster graphics
ADRG - ARC-Digitized Raster Graphics (ARC is a term used to designate linear features on a digital map.)
ADRS - address
ADS - Ada development system
ADS - advanced digital switch
ADS - advanced display system (Navy)
ADS - advanced distributed simulations
ADS - air data system
ADS - application development system
ADS-B - automatic dependent surveillance-broadcast
ADSI - air defense system integrator
ADSIA - Allied Data Systems Interoperability Agency
ADSIM - air defense simulation
ADSL - asymmetric DSL
ADSL - asynchronous (asymmetrical) digital subscriber line (loop)
ADSO - assistant division signal office/officer
ADSS - Army decision support system
ADST - advanced distributed simulation technology (Army)
ADT - assign digital transmission group
ADT - automatic digital tester
ADT - abstract data type
ADTOC - air defense tactical operations center
ADTP - advanced technology demonstration plan
ADU - automatic dialing unit
ADU - assign PS dialup
ADUA - administrative directory user agent
ADX - automatic data exchange
ADX - assign digit translation
AE - attenuation equalizer
AEA - airborne electronic attack (Navy)
AEA - American Electronics Association
AEELS - automatic ELINT emitter location system
AEF - Air Expeditionary Force
AEGADS - Army Electronic Generation and Distribution System
AEHF - advanced extremely high frequency (satellite)
AEI - Assign Equipment In/Out-of-Service Command
AEJ - Apache escort jammer
AEP - application environment profile
AES - advanced encryption standard
AESA - active electronically scanned array
AESOP - airborne electro-optical special operations payload
AEW - airborne early warning
AEW - Air Expeditionary Wing
AEWIC - Army Electronic Warfare and Intelligence Committee
AF - Air Force
AF - audio frequency
AFA - audio frequency amplifier
AFAITC - Armed Forces Air Intelligence Training Center
AFAMS - Air Force Agency for Modeling and Simulation
AFATDS - Advanced Field Artillery Tactical Data System
AFB - Air Force Base
AFC - automatic frequency control
AFC - area frequency coordinator
AFC - automatic font change
AFC - automatic frequency control
AFC2S - Air Force command and control systems
AFCA - Air Force Communications Agency (Formerly AFCC)
AFCERT - Air Force computer emergency response team
AFCH - Air Force Component Headquarters
AFCSC - Air Force Cryptologic Support Center
AFD - assign fixed-directory routing
AFDIGS - Air Force digital graphics system
AFDIS - air force dial in system
AFECO - Air Force Electronic Combat Office
AFEKMS - Air Force electronic key management system
AFEWES - Air Force electronic warfare environment simulator
AFFIRM - Association for Federal Information Resources Management
AFFOR - Air Force forces
AFIAA - Air Force Intelligence Analysis Agency
AFID - anti-fratricide identification device
AFII - Association for Font Information Interchange
AFIN - Air Force information network
AFIN - Air Force intelligence
AFINTNET - Air Force intelligence network
AFIPS - Air Force information publishing service
AFIS - automated fingerprinting identification system (FBI)
AFIWC - Air Force Information Warfare Center
AFLANT - Air Forces Atlantic
AFMIC - Armed Forces medical intelligence center
AFMSS - Air Force mission support system
AFNOC - Air Force network operations center
AFOC - Air Force Operations Center
AFORMS - Air Force Operations Resource Management System
AFPCA - Air Force Pentagon Communications Agency
AFR - assign and display frequency for network reporting
AFRTS - armed forces radio and television service
AFSAT - Air Force satellite
AFSATCOM - Air Force satellite communications
AFSC - Air Force specialty code
AFSOB - Air Force special operations base
AFSOC - Air Force Special Operations Command
AFSOF - Air Force Special Operations Forces
AFSPC - Air Force Space Command
AFSS - automated flight service station
AFT - automatic fund transfer
AFTN - aeronautical fixed telecommunications network
AFTS - audio frequency tone shift
AFWIS - Air Force WWMCCS information system
AG - applications generator
AGC - assign gateway and commercial office routing
AGC - (Automatic Gain Control) - Parameter implemented for the LDCELP module that provides the ability to automatically adjust the power level of a received signal. The power level of a received signal is automatically adjusted from a marginal or unacceptable value to one that is more suitable for voice or FAX applications.
AGCCS - Army global command and control system
Aggregate - Group - The approach used on the PRC, PRC INTL, and TMCP voice modules to group contiguous DS0 ports for clear-channel signaling (that is, the bandwidths for the ports are grouped together).
AGMS - automated gateway management system
AGMS - automated gateway management system
AGMS - automated gateway management system
AGP - advanced graphics port
AGS - airborne ground surveillance (NATO)
AHCFMS - Army health care financial management system
AHFEWS - Army high frequency electronic warfare system
AHIMA - American Health Information Management Association
AHP - analytical hierarchy process
AHPCRC - Army high performance computer research center
AI - analog input
AI - artificial intelligence
AIA - Air Intelligence Agency
AIA - Army information architecture
AIAC - ACCS implementation advisory committee (NATO)
AIC - Atlantic Intelligence Command
AIC - Advanced integrated circuit
AIC - air intercept control
AIC - Army intelligence center
AIC - Army interoperability center
AIC - audio intercommunications center
AICS - advanced interior communications system
AIDC - automated intrusion detection capability
AIDTS - Army inflight data transmission system
AIE - Ada integrated environment
AIF - audio interchange format
AIG - address indicator groups
AIG - Address Indicating Group
AII - Army information infrastructure
AIIM - Association for information and image management
AIIP - Association of Independent Information Producers
AIL - assign interswitch link initialization
AIM - advanced infosec module
AIMA - Army information & mission area
AIMC - Army Information Management Committee
AIMP - Army intelligence and electronic warfare master plan
AIMS - advanced information management system
AIMS - automated intrusion monitoring system
AIMTB - artificial intelligence module test bed
AIN - Army Information Network
AIN - advanced intelligent network
AIN - Army interoperability network
AINC - Army Interoperability Network Center
AIOD - automatic identified outward dialing
AIPC - automated information processing center
AIPS - Army information processing standards
Air - Plenums - Air plenums are used to take air in and to exhaust it.
AIRCOMTERM - air communications terminal
AIRES - advanced imagery requirements exploitation system
AIRK - area interswitch rekeying key
AIRMS - advanced infrared measuring system
AIRTERM - airborne terminal
AIRV - area interswitch rekey variable
AIS - automated information systems
AIS - air intelligence squadron
AIS - airborne intelligence system
AIS - audio intercommunication system
AIS - (Alarm Indication Signal) - 1. In modern T1/T3 systems, the AIS is an all ones signal transmitted in lieu of the normal signal to maintain transmission continuity and to indicate to the receiving terminal that there is a transmission fault that is located at the transmitting terminal or upstream of the transmitting terminal. It is also called "Blue Alarm" or "Blue Code." 2. automated information system.
AISB - Association of Imaging Service Bureaus
AISP - Association of Information Systems Professionals
AISRV - area interswitch rekey variable
AISS - automated information system security
AISSP - Army information systems security program
AIT - automatic identification technology (Army)
AITC - Army interoperability test center
AITN - Army interoperability test network
AITS - advanced information technology services
AJ - anti-jam
AJCC - Alternate Joint Communications Center
AJCM - anti-jam control modem
AJCM - AJ control modem
AJPO - Ada Joint Program Office
AK - automatic keying
AKDC - Automatic Key Distribution Center
AKDC/RCU - automatic key distribution center/rekeying control unit
AKMS - Army Key Management System
AKO - Army Knowledge Online
AL - address list
AL - applications layer
AL - address list
Alarm - Log - Contains the events that have an alarm level associated with it for a node or the network.
Alarm - Monitor - Type of operator console that displays active alarms.
Alarm - Panel - An optional control panel that can be installed in a node. It provides audible and visual alarms governed by thresholds set by the user.
ALBAM - air-land battle assessment model
ALBM - Army airland battle management
ALCC - airlift control center
ALCC - Analog Line Conditioning Circuits
ALCE - airlift control element (USAF)
ALCG - analog line conditioning group
ALCOM - Alaskan Command
ALD - assign local duplication
ALD - Assign Local Duplication Command
ALE - automatic link establishment
ALEC - alternate local exchange carriers
ALERT - advanced law enforcement and response technology
ALFS - airborne low-frequency sonar
Algorithm - A sequence of steps a CPU follows to accomplish a task.
ALICE - all-purpose lightweight individual carrying equipment
ALLA - allied long lines agency (NATO)
ALMS - automated logistics management system
ALO - air liaison officer
ALOC - administrative/logistics operations center
ALOC - area logistics operation center
ALOG - analog switch
ALOHA - aerial locations for hazardous atmospheres (NOAA)
ALP - auxiliary line printer
ALPC - adaptive link power control
Alphanumeric - Refers to input consisting of letters, numbers, and other symbols such as punctuation marks and mathematical symbols.
ALPS - assembly line processing system
ALQA - automatic link quality assessment
ALS - Assign Loop Strapping Command
ALS/N - Ada language dystem/Navy
ALSA - Air, Land, Sea Applications Center
ALSP - aggregate level simulation protocol
alt - alternate
Alternate - Buffer - A section of memory set aside (reserved) for receipt or transmission of data after the primary buffer is full.
Alternate - Routing - A feature of circuit switches that allows calls to be distributed and completed over other routes when the first route is unavailable.
ALTG - Auxiliary Line Termination Group
ALU - Arithmetic Logic Unit
AM - active matrix
AM - amplitude modulation
AM/SSB - amplitude modulation/single sideband
AMA - automatic message accounting
AMA - Assign Manual Affiliation Command
AMANDDA - automated messaging and directory assistance
AMD - active matrix display
AMD - Assign Memory Display Command
AMDF - Army master fata gile
AMDPCS - Air and Missile Defense Planning and Control System
AMDRS - aviation medicine data retrieval system
AME - aerospace management element
AME - antenna mounted electronics
AMH - automated (automatic) message handling
AMHS - Automated Message Handling System
AMI - (Alternate Mark Inversion) - A digital signal in which successive "marks" or ones alternate between positive and negative polarity of equal amplitude. Two ones of the same polarity in a row constitute a bipolar violation. See Line Coding, T1. See Also B8ZS.
AMIDS - audit monitoring and intrusion detection system
AMIS - Army management information system
AMLCD - active matrix liquid crystal display
AMME - automated multimedia exchange
AMO - acquisition (automation) management (office) organization (DISA & Army))
AMO - Automation Management Office
AMP - amplifier
AMPE - automated message processing exchange
Amplifier - A device used to boost the strength of an electronic signal.
Amplitude - The magnitude of variation in a changing quantity from its zero value. The word must be modified with an adjective such as peak, rms, maximum, and so on, which designates the specific amplitude in question.
AMPS - advanced mobile phone system (standard)
AMPS - airborne multisensor pod system
AMPS - automated (aviation) mission planning system
AMPSSO - Automated Message Processing System Security Officer
AMRIS - advanced magnetic resonance imaging and spectroscopy
AMRIS - Army modernization resource information system
AMS - autonomous message switch
AMS - alert management system
AMS - asset management system
AMSMP - Army modeling & simulation management program
AMSS - ammunition management standard system
AMSS - automatic meteorological sensor station (system)
AMT - Assign Multiple Trunks Command
AMTS - automated maritime telecommunications system
AMVER - automated mutual assistance vessel rescue (Coast Guard)
Analog - Signal - A signal that varies in a continuous manner, such as in human speech or music.
ANCA - allied naval communications agency (NATO)
ANCD - automated net control device
ANCS - ATM node center switch
ANCT - alternate network control terminal
ANDC - automated net control device
ANDF - architecturally neutral distribution format
ANDVT - advanced narrowband digital voice terminal
ANG - Air National Guard
ANGLICO - air and naval gunfire liaison company
ANI - Automatic Number Identification- A system, originally designed for use by Interexchange carriers (IECÕs) which transmits the "billed party number" along with a call. Note that the billed party number is not necessarily the number of the line placing the call. ANI predates SS7 and can operate in with analog as well as digital trunks. See also CLID.
ANICS - Alaskan national airspace system interfacility communications system
ANN - artificial neural network
ANOC - alternate network operations control
ANR - assign net rekeying
ANR - Assign Net Rekeying Command
ANSI - American National Standards Institute
ANSIR - awareness of national security issues and response (FBI)
ant - antenna
ANVIS - aviatorÍs night vision imaging system
ANY - assign NYX routing
AO - analog output
AO - area of operations
AOAS - advanced oceanic automation system (FAA)
AOC - Air Operations Center (was TACC) (USAF)
AOC - aerospace operations center
AOC - Air Operations Center
AOCU - analog orderwire control unit
AOD - assign online diagnostic
AOD - Assign On-Line Diagnostics Command
AODMD - acousto-optic delay-and-multiple device
AOG - Architecture Oversight Group (DOD)
AOI - area of interest
AOI - Assign Other Equipment In/Out-of-Service Command
AOR - area of responsibility
AOR - Assign and Display Unstaffed Operator Routing Command
AP - adjunct processor
AP - anomalous propagation
AP - application processor
APA - adaptive packet
APA - advanced processor assembly
APA - all points addressable
APA - arithmetic processing accelerator
APAC - ACCS planning and policy advisory committee (NATO)
APAN - Asia Pacific Area Network
APC - adaptive predictive coding
APC - assign preprogrammed conference list
APCU - antenna position control unit
APELS - airborne precision emitter location system
APF - assign profile
APF - Assign Profiles Command
APG - automated password generator
API - application programming (programmerÕs) (program) interface
APIC - advanced programmer interrupt controller
APII - Asia Pacific information infrastructure
APIMS - aerospace physiology information management system
APIU - adaptable programmable interface unit
APL - average picture level
APL - Assign Pre-Affiliation List Command
APP - application portability profile
APP - application-defined
APPI - advanced peer-to-peer internetworking
Appl - apply
Applications-Specific - Network - A network dedicated to specific applications such as ATMs, point-of-purchase registers, fund transfers, etc.
APPN - advanced peer-to-peer networking
APPS - automated publications production system
APR - assign packet switch routing
APRP - adaptive pattern recognition processing
APS - active pixel sensor
APS - advance planning system (USAF)
APS - afloat planning system
APS - asynchronous protocol specification
APS - auxiliary propulsion subsystem
APSE - Ada programming support environment
APT - automatically programmed tools
APTS - afloat personal telecommunications service
APV - Assign Password Verification Command
AR - Army; Army regulation (when followed by a number)
ARC - Army Reuse Center
ARC - A term used to designate linear features on a digital map.
ARCA - advanced RISC computing architecture
ARCENT - US Army Central
ARCIS - Army company information system
ARCMIS - automated radiological management information system
ARDF - airborne radio direction finding
ARDS - assign/display routing subsystem downsized (RSSD) download
AREUR - US Army Europe
ARF - airborne relay facility
ARFA - allied radio frequencies agency (NATO)
ARFOR - Army forces
ARG - amphibious ready group
ARH - anti-radiation homing
ARI - addressee routing indicator
ARIES - airborne reconnaissance integrated electronics system
ARJFC - US Army Joint Forces Command
ARL - adjusted ring length
ARL - aerial (airborne) reconnaissance-low
ARL - airborne reconnaissance low (Army)
ARL - Army Research Laboratory
ARLL - advanced run length limited
ARLNO - Armor Liaison Officer
ARM - application reference model
ARM - Ada requirements methodology
ARM - ADP resources manager
ARMISS - agency resources management information system
ARMS - automated records management system (Air Force)
ARO - airborne reconnaissance office
AROW - acquisition/reportback orderwire
ARP - Address Resolution Protocol
ARPA - Advanced Research Projects Agency (Now DARPA)
ARPAC - US Army Pacific
ARPANET - Advanced Research Projects Agency network
ARPL - adjust requested privilege level
ARQ - Automatic Retransmission Request
ARRC - allied command rapid reaction corps (NATO)
ARRL - American Radio Relay League
ARS - aerial reconnaissance & surveillance
ARS - air radio system
ARS - automatic route selection
ARS-ST - airborne receiving system-surface terminal (Navy)
ARS - action request system
ARSOF - Army Special Operations Forces
ARSOUTH - US Army South
ART - Aiborne Receive Terminal
ARTAC - Army tactical
ARTADS - Army tactical data system
ARTCC - air route traffic control center
ARTEP - Army Training and Evaluation Program
ARTS - asynchronous remote takeover server
ARTS - asynchronous remote takeover terminal
ARU - access/relay unit
ARU - audio response unit
AS - autonomous system
AS - analog secure
ASA - Adaptive Security Appliance
ASAC - all source analysis center
ASACAC - Army Security Agency Control and Analysis Center
ASAP - automated statistical analysis program
ASAP - automatic switching and processing
ASARS - advanced synthetic aperture radar system
ASAS - all source analysis system (Army)
ASAT - anti-satellite
ASB - area signal battalion
ASBR - autonomous system border router
ASC - Aeronautical Systems Center
ASC - American Standards Committee
ASC - Area Signal Center
ASC - Army Signal Command (formerly ISC)
ASC - AUTODIN switching center
ASC - automatic switching center
ASC - Assign and Display Switch Classmarks Command
ASC2A - Air and Space Command and Control Agency
ASCI - accelerated strategic computing initiative (DOE)
ASCIET - all-service combat identification evaluation team
ASCII - (American Standard Code for Information Interchange) - The standard 7-bit code, using a coded character set consisting of 7-bit coded characters (8 bits including a parity check bit) used for informality interchange among data processing systems, data communication systems, and associated equipment. The ASCII set consists of control characters and graphic characters and is properly an alphabet rather than a code. It is the U.S. implementation of the International Telegraph Alphabet Number 5.
ASCT - auxiliary satellite control terminal
ASCXN - area Signal center extension node
ASD - access security device (NETS)
ASD - assigned software developer
ASD - automated system demonstration
ASD - Assistant Secretary of Defense
ASD(C3I) - Assistant Secretary of Defense for Command, Control, Communications, and Intelligence
ASDI - Analog Simple Data Interface
ASDS - air situation display system (USAF)
ASEM - application-specific electronic module
ASEN - ATM SEN
ASEPS - automated Signal excess prediction system
ASI - alternate space inversion
ASI - alarm status indicator
ASI - assign switch initialization
ASIC - all source intelligence center
ASIC - (Application Specific Integrated Circuit) - A custom integrated circuit.
ASIM - automated security incident measurement (Navy)
ASIMS - Army sustaining base information management system
ASIS - Ada semantic interface specification
ASIS - American Society for Information Science
ASIS - American Society of Industrial Security
ASIT - adaptable surface interface terminal
ASIT - advanced security and identification technology
ASK - amplitude shift keying
ASKMM - Advanced Standard Key Management Module
ASL - adaptive speed leveling
ASM - airspace management
ASM - application of software measurement
ASM - Army security monitor
ASM - assembler source language
ASMG - allied security military general
ASMP - asymmetric multiprocessing
ASMPC - automated staff message processing center
ASN - abstract syntax notation
ASN - autonomous system number
ASN.1 - Abstract Syntax Notation 1
ASOC - alternate systems operation control
ASOC - air support operations center
ASOS - Army secure operating system
ASOS - automated surface observing system
ASP - applications service provider
ASP - Army Space Command
ASP - Association of Shareware Professionals
ASPECTS - Automated Spectrum Planning, Engineering, Coordination and Tracking System
ASPJ - advanced self-protection jammer
ASPO - Army Space Program Office
ASPS - advance signal processing system
ASQC - American Society for Quality Control
ASR - automatic send and receive
ASR - automatic speech recognition
ASR - assign SEN/RAU/NMT
ASSET - asset source for software engineering technology
ASSET - all-source satellite evaluation tool
ASSIST - automated systems security and incident support team
ASSIST - Army special security information systems terminal
ASSP - application-specific standard product
AST - airborne surveilance testbed
ASTA - airport surface traffic automation (FAA)
ASTE - advanced strategic and tactical expendables
ASTEC - advanced satellite technology and EHF communications
ASTER - advanced spaceborne thermal emissions and reflection radiometer
ASTIA - Armed Services Technical Information Agency
ASTOR - airborne stand-off radar (UK)
ASTP - advanced space technology program (DARPA)
ASTRO - Army Space Technology and Research Office
ASUWC - anti-surface warfare commander (Navy)
ASVC - automatic secure voice communications
ASW - asynchronous service window
ASW - attack, sensing, and warning
ASWC - anti-submarine warfare Commander (Navy)
ASWCCS - ASW command and control system
ASY - asynchronous
ASYNC - asynchronous
Asynchronous - Data - A form of serial data communication which is not clocked. To keep the bit stream synchronized start and stop bits are used. RS-232 computer data is commonly asynchronous data. In contrast to synchronous data.
Asynchronous - Transmission - Transmission in which the interval between transmitted characters may be of unequal length. Data transmission and timing is controlled by start and stop bits at the beginning and end of each character. It is also referred to as start-stop transmission. Asynchronous transmission does not require the transmitters and receivers to have clocks to stay in synch.
AT - access tandem
AT - asynchronous transmission
ATA - advanced technology attachment
ATACC - advanced tactical air command center (central)
ATACC - alternate tactical air control center
ATACS - advanced target acquisition counter-fire system
ATACS - Army Tactical Communications System
ATAPI - advanced technology attachment packet interface
ATARS - advanced tactical air(borne) reconnaissance system
ATB - all trunks busy
ATC - air traffic control
ATCA - Allied Tactical Communications Agency (NATO)
ATCALS - air traffic control and landing system
ATCAP - Army Telecommunication Automation System
ATCAS - air traffic control automation system (FAA)
ATCC - air traffic control center
ATCCIS - Army tactical command and control information system
ATCCS - Army Tactical Command and Control System
ATCCSS - air traffic control communications switching system
atch - attached
ATCISA - Allied Tactical Communications and Information Systems Agency
ATCU - air transportable communications unit
ATD - advanced technology demonstrations
ATDL - Army tactical data link
ATDM - asynchronous time-division multiplexing
ATDM - adaptive time division multiplexer
ATDS - airborne tactical data system (USN)
ATDT - attention dial tone
ATE - automatic test equipment
ATEC - automatic test control
ATFES - Army Tactical Frequency Engineering System
ATG - antenna transceiver group
ATG - Assign Trunk Group Cluster Command
ATH - Assign and Display Thresholds Command
ATHS - airborne target handover system
ATI - artillery target intelligence
ATID - advanced technical interoperability demonstration
ATID - automated tactical information display
ATIP - Ada technology insertion program
ATIRCM - advanced threat (tactical) infrared countermeasures
ATIS - Alliance for Telecommunications Industry Solutions
ATIS - automatic terminal information service (FAA)
ATL - assign transfer list
ATM - air traffic management
ATM - asynchronous transfer mode
ATM - automated teller machine
ATM - asynchronous transmission mode
ATM - Assign Traffic Metering Command
ATMAC - Air Traffic Management Automated Center
ATMHS - automatic text message handling system
ATMSDI - air traffic management system development and integration
ATN - aeronautical telecommunications network (FAA)
ATNAVICS - air traffic navigation, integration and coordination system
ATO - air tasking order
ATO - authorization to operate
ATS - assign terminal service
ATP - allied technical publication
ATR - advanced tactical radar
ATR - automatic target recognition
ATR - automatic terminal recognition
ATRJ - advanced threat radar jammer
ATS - air traffic services
ATS - afloat telecommunications service
ATS - automatic terminal recognition
ATS - automated tasking system
ATS - assign terminal service
ATSS - automatic test support system
ATT - Assign Terminal Type Command
Attenuation - The difference between transmitted and received power due to transmission loss through equipment, lines, or other communication devices.
attn - attention
ATV - advanced television
Audit - Trail - A record of events that have taken place in a network.
AUI - attachment unit interface
AUIB - aircrew uniform integrated battlefield
AUP - acceptable use policy [Internet]
AUR - automated underwriter system (Treasury)
auth - authority
AUTO - automatic
Auto - Event Log - Type of operator console that displays real-time events.
Autobaud - The process of automatically adjusting to or adapting equipment to the speed of the equipment to which it connects or is connected.
AUTODIN - Automatic Digital Network
Automatic - Alternate Routing - In the event that a network is disrupted, the node will automatically reroute each call according to its priority when a path becomes available.
Automatic - Call Reconnect - Call reconnect permits automatic call rerouting away from a trunk experiencing a failure. The order of rerouting that takes place is based on a port's call priority.
Automatic - Call Rerouting - A disconnected call is automatically rerouted away from a trunk experiencing a failure through other multiplexers and lines for continuation of voice or data traffic. Rerouting is based on a port's call priority.
Automatic - Clock Restoral - A node parameter used to automatically synchronize to the next highest clock source when the current clock source becomes unavailable.
AUTOSEVOCOM - Automatic Secure Voice Communications
AUTOVON - Automatic Voice Network
AUX - auxiliary
Auxiliary - Alarm - A condition derived from an external equipment connection. The auxiliary alarm input is mapped onto the crypto circuit connector. The default state is programmable.
Auxiliary - Fan - Cooling device for a Promina 800 EXS system (part of the alarm panel).
AVC - automatic voice control
AVCATT - aviation combined arms tactical trainer
AVD - alternate voice/data
AVDTG - analog via digital transmission group
AVDTG - AUTOVON digital trunk group
AVIMO - Army visual information management office
AVL - assign variable location
AVLTU - AUTOVON line termination unit
avn - aviation
AVOW - Analog Voice Orderwire
AVR - automatic voice recognition
AVT - automatic video tracker
AVTOC - aviation tactical operations center
AWACS - airborne warning and control system
AWC - air warfare coordinator
AWDS - automated weather distribution system
AWE - Advanced Warfighting Experiment
AWE - aircraft weapons electronics
AWG - American wire gauge
AWIPS - automated (advanced) weather interactive processing system
AWIS - Army WWMCCS information system
AWN - automated weather network
AWN - Air Weather Network
AWS - advanced warning system
AWS - analyst workstation
AWSIM - air warfare simulation
AX - automatic transmission
az - azimuth
AZR - assign zone restrictions
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