JRC JHS-182 - Symbol Display

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5.4.3.2 Symbol display
(1) Heading: The direction of symbol indicates the ship’s heading with 45 degrees steps as
follows.
(2) Speed over ground (SOG): The length of vector indicates the ship’s SOG as follows.
SOG
[knot]]
0.0
0.1−
14.0
14.1−
23.0
23.1−
Symbol
(3) Rate of turn (ROT): The flag on vector indicates the ship’s ROT (turning direction) as
follows.
ROT
+
(Right)
−
(Left)
0
Symbol
(4) Other symbols
Status Symbol
Own ship
Other ship
Base Station
Non COG / non
HDG
Waypoint
Lost target
Selected target
Heading
[deg]
337.6
−
22.5
22.6−
67.5
67.6−
112.5
112.6−
157.5
157.6
−
202.5
202.6
−
247.5
247.6
−
292.5
292.6
−
337.5
Symbol