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B-NAV basic area navigation
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BAMS Broad Area Maritime Surveillance
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BBML broadband multi-link
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BDA bomb damage assessment
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BDMIS business data management and invoicing system
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BDS comm-B designation subfield
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BEA Bureau d’Enquetes Accidents (French equivalent of NTSB)
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BEP back-end processor
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BEPMS BEP management system
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BER bit error rate
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BFE buyer furnished equipment
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BFO beat frequency oscillator
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BFT Blue Force Tracking
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BGARS basic general aviation research simulator
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BGI bus grant inhibit
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BGP border gateway protocol
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BI burn-in
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Bi-SC Bi-Strategic Command
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BiG bilingual ground station (ACARS and VDL Mode 2)
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BIS boundary intermediate system
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BISMS BIS management system
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BIST built-in self-test
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BiSync binary synchronous control
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BIT built-in test
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Bit a binary digit
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BITE built-in test equipment
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BIU bus interface unit
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BLK block/black
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BMV brake metering valve
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BNR binary
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BNS boundary notification system (squitters)
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BOC binary offset carrier
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BOC bottom of climb
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BOP/COP bit-oriented protocol/character-oriented protocol
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BP bite processor
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BPCU bus power control unit
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BPL broadband over powerlines
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BPS bits per second
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BPSK binary phase shift keying
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BR bridge
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BRG bearing
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BRI basic rate interface
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BRNAV basic area navigation
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BRT brightness
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BSN backbone sub-network
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BSC binary synchronous communication
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BSCU brake system control unit
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BSP board support package
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BSU beam steering unit
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BSU bypass switch unit
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BTB bus tie breaker
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BTMU brake temperature monitor unit
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BU backup
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BUEC BU emergency communications
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BUFR binary universal form for communication representation
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BWAN BU wide area network
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Byte a grouping of eight bits
