GLOSSARY
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E
EBL
Electronic Bearing Line
An electronic bearing line originated from own ship’s position.
ENH
Enhance
ETA
Estimated Time of Arrival
G
Ground stabilization
A display mode in which speed and course information are referred to the ground, using
ground track input data.
H
HDG
Heading
The horizontal direction that the bow of a ship is pointing at any instant, expressed in
angular units from a reference direction .
HL
Heading line
A graphic line on a radar presentation drawn from the consistent common reference
point to the bearing scale to indicate the heading of the ship
H up
Head up
Own ship’s heading line is always pointed to the top center of the radar display.
I
IR
Radar Interference Rejecter
L
Lost AIS target
A target symbol representing the last valid position of an AIS target before the reception
of its data was lost, or its last dead-reckoned position.
Lost tracked target
One for which target information is no longer available due to poor, lost or obscured
signals.
LP
Long Pulse
M
MMSI
Maritime Mobile Service Identity
MOB
Man OverBoard
MP
Medium Pulse
N
NM
1NM=1852m
NSK
North Stabilization Kit
N up
North up
The north is always pointed to the top center of the radar display.
O
Own track
Display function of own ship’s track
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