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Appendix 7: Abbreviations
AP-94
Dead Reckoning DR Transversal Speed SB
East E Anti Clutter Sea SEA
Echo Average EAV second(s) sec
Electronic Bearing Line EBL Select sel
Electronic Chart Display and Information
System
ECDIS System ENC SENC
Electronic Navigational Chart ENC Speed Over the Ground SOG
Estimated Position EP Speed SPD
Equipment EQUIP Stabilized STAB
Error ERR Starboard STBD
Echo Stretch ES Standby STBY
Estimated Time of Arrival ETA Sensitivity time control STC
Estimated Time Of Departure ETD Standard Std
External EXT Speed Through the Water STW
Filter / Filtered FILT Switch SW
Function Func Symbol(s) Symb
Great Circle GC True T
Ground GND Time to CPA TCPA
Global Positioning System GPS Target TGT
Heading HDG True Motion TM
Heading Line HL Transferred Line Of Position TPL
High Speed Craft HSC Target Tracking / Tracked Target TT
Integrated Bridge System IBS Time To Go TTG
Identification ID Transmit TX
International Maritime Organization IMO Uncalibrated UNCAL
Information INFO Coordinated Universal Time UTC
Integrated Navigation System INS Vector VECT
Interference Rejection IR Variable Range Marker VRM
Latitude / Longitude L/L West W
Latitude LAT Water WAT
Limit LIM World Geodetic System WGS
Longitude LON Wheel Over Point WOP
Line Of Position LOP Waypoint WPT
Magnetic MAG Water Tracking WT
Manual MAN