JRC JMR-9210-6X - Page 101

6-47 Section 6 Target Tracking and AIS
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[Normal AIS target]
Item Explanation
AIS ID ID No. of AIS target
Name Ship name of AIS target
Call Sign Call sign of AIS target
MMSI Maritime Mobile Service Identity
COG or CTW COG: Course Over the Ground
CTW: Course Through Water
* In ground mode, COG is displayed. In water mode, CTW is displayed.
* Operates in fixed ground mode on the ECDIS screen.
SOG or STW SOG: Speed Over the Ground
STW: Speed Through Water
*If the SOG or STW column is Over, the speed of other system is 102.2 kn or
more.
* In extended mode, the display area for two simple modes is used.
* Operates in fixed ground mode on the ECDIS screen.
CPA Closest approach distance
TCPA Time up to closest approach distance
BRG True direction
* In standard mode, this item is not displayed.
Range Distance
* In standard mode, this item is not displayed.
Heading Heading
* In standard mode, this item is not displayed.