navigation acronyms, abbreviations and definitions - International ...

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WSO Weapons Systems Officer WSSE weighted sum of squared errors WT water track (path of ship’s movement through the water) WT watertight WTA Wireless Telegraphy Act (UK) WTEMP water temperature WUL worst user location (integrity chack) WV water vapour WWAN wireless wide area network WWNWS World-Wide Navigational Warning Service (IMO & IHO) WWRNS World-wide Radionavigation System Described in IMO Res. A.815(19). www World-wide Web (Internet) Wx weather WX NIL no significant weather WYSIWYG what you see is what you get X-112 extended emergency phone call giving data alongside voice call X-band Old radar band 8-12 GHz (ITU assigned 8,500-10,680 MHz) ~ 3 cm XAL HAL or VAL XGA Standard display format of 1,024 x 768 pixels XLRP XML location reporting protocol XML Extensible Mark-up Language (complements HTML) XTD cross-track distance (perpendicular to ground track) XTE cross-track error (perpendicular to ground track) Y-Code (P(Y)) encrypted P-Code (comprises modulo-2 addition of P-Code & W-Code) Y2K Year 2000 Y2Y year-to-year YAH You are here (maps for pedestrians) Z zenith (point on the celestial sphere vertically overhead) Z-Count Fundamental GPS time unit A 29-bit binary number of which 10 most significant bits give GPS week number and 19 least significant give time-of-week (TOW) count in units of 1.5 seconds. Truncated TOW in 6-sec epochs included in navigation message HOW. ZD zone description ZigBee standards-based wireless networking system ZLG Zero-Lock Laser Gyro (2 laser gyros in one - Northrop Grumman) ZT zone time The local mean time of a reference or zone meridian, whose time is kept throughout a designated zone. The zone meridian is usually the nearest meridian whose longitude is exactly divisible by 15 º. ZTD zenith tropospheric delay 146 March 2012
ZUPT zero velocity update (of in-vehicle navigation system) ZVU zero velocity update ZZKRL ATCOs’ union in Poland 147 March 2012
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NAVIGATION ACRONYMS, ABBREVIATIONS
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absolute accuracy (geodetic or geog
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ADNM Admiralty Digital Notice to Ma
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AHEAD EUROCONTROL programme to deve
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AMLCD active matrix liquid crystal
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ARC Atlantic Rally for Cruisers ARC
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ASTRA Application of Space Techniqu
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AUGUR A predictive GPS receiver aut
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BBGA British Business and General A
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BOSVA British Offshore Support Vess
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CAM computer-aided manufacture CAME
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CCB Change Configuration Board (EGN
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CERCO Comité Européen des respons
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CL correlation loss Class Category
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COSPAS- SARSAT Cosmicheskaya Sistye
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CTAS Centre-TRACON Automation Syste
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DBF digital beam-forming (antenna)
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DINGPOS Demonstrator for Indoor GNS
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DSB Defense Science Board (US) DSB
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EA (EA13) Euro Area (Jan 07) Austri
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EEA European Economic Area EEA Euro
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EMPA European Maritime Pilots’ As
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ERASMUS A EC exchange programme for
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ETACS Extended Total Access Communi
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EVS enhanced vision system EVSC Ext
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FEE front end equipment FEI Federat
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FOG fibre-optic gyro (introduced ~
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GAGAN GPS Aided GEO Augmented Navig
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GEC groundtrack equatorial crossing
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GIWG GPS International Working Grou
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GPC GIOVE Processing Centre Located
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GSTBV2B Galileo System Test Bed Veh
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HIPS Highly-Interactive Problem Sol
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I-band NATO radar band 8-10 GHz = 3
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ICG International Committee on Glob
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IHB International Hydrographic Bure
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integrity risk Probability that a u
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IRU inertial reference unit IRU Int
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IVU in-vehicle unit IWAAS Initial W
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kt knot KTA key technical advisor K
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LETFEL leteral emitting thin film e
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LORAN LOng RAnge Navigation LORAN-C
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MAIA Measuring Atlantic Inflow into
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MDES Measurement Data recording and
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microwaves radio waves > 1 GHz MID
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mogas car fuel MOIE Mission-Oriente
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MTB Mediterranian Test Bed (part of
Page 95 and 96: NAVAREA Sea area for GMDSS radio na
Page 97 and 98: NITS National ITS (Association) NK
Page 99 and 100: NSCC Navigation System Control Cent
Page 101 and 102: OEM original equipment manufacturer
Page 103 and 104: OSPF Orbitography and Synchronisati
Page 105 and 106: pax passengers PaxCar RoRo ferry fo
Page 107 and 108: pixel picture element The smallest
Page 109 and 110: PPS-SM PPS Security Mode/Module PPU
Page 111 and 112: PWSA Ports and Waterways Safety Act
Page 113 and 114: RAM random access memory RAM reliab
Page 115 and 116: RFID radio frequency identification
Page 117 and 118: RoS Registers of Scotland (= HMLR)
Page 119 and 120: RTTI real-time traffic information
Page 121 and 122: SAT satellite tag (eg for animal) S
Page 123 and 124: SEE South East Europe Seiche The os
Page 125 and 126: SISMA signal-in-space monitoring ac
Page 127 and 128: SP Standard Precision (GLONASS serv
Page 129 and 130: SSTL Surrey Satellite Technology Li
Page 131 and 132: TAA technically advanced aircraft G
Page 133 and 134: TEM transmission electron microscop
Page 135 and 136: TN true north (northerly direction
Page 137 and 138: TSS traffic separation scheme Tsuna
Page 139 and 140: UKMF UK Maritime Forum Informal for
Page 141 and 142: V2X (also V2I) vehicle-to-infrastru
Page 143 and 144: Volpe John A Volpe National Transpo
Page 145: white-box testing Testing that uses
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