navigation acronyms, abbreviations and definitions - International ...

Bimco Baltic and International Maritime Council
BINA British Isles/North America (eg ERS)
BIPM Bureau International des Poids et Mesures (under CGPM)
BIS Department for Business Innovation & Skills (UK)
bit binary digit
A single unit of binary data.
BIT built-in test
BKN broken cloud (5 to 7 oktas)
BL blowing (met)
BLA bi-lateral agreement
black-box testing Testing that ignores internal workings and structure of a component
See white-box testing.
BLE Bluetooth Low Energy (protocol V4.0)
Block Batch of GPS satellites made to a common standard
BlockII/IIA from Feb 89; 28 launched. Block IIR from Jul 97. Block
IIF from 2006 with L5. Block III from ~2013.
BLUE best linear unbiassed estimate
Blue Belt EASA system to allow ships not leaving the EU to get quick customs
clearance and reduce need for extensive comms with authorities.
Bluetooth Specification for wireless comms between terminals & peripherals
Up to 10 metres using 2.4 GHz at 720 kbps. Promoted by Ericsson,
IBM, Intel, Nokia & Toshiba. Named after 10th century Viking king.
BM base model
BMAA British Microlight Aircraft Association
BMC British Moutaineering Council
BMEA British Marine Equipment Association
BMIF British Marine Industries Federation Ltd
Bn beacon
BNEA British Naval Equipment Association
BNS Brunel Navigation System (for visually impaired pedestrians)
BNSC British National Space Centre
BNTS Beidou Navigation Test Satellite (China)(first 2 launched Oct 00)
BNWAS Bridge Navigational Watch Alarm System
BOC binary offset carrier
A form of modulation using a sine-shaped sub-carrier modulated at the
required data rate. Referred to as BOC (n,m) where n = subcarrier
freq and m = code chipping rate. Used in GPS M-code and Galileo.
BOCc binary offset carrier using cosine-shaped sub-carrier
BOD bearing origin to destination
BOM bill of material
BOSCA British Oil Spill Control Association
BOSS Broad Ocean Surveillance System (US - out to 2,000 NM)
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March 2012