Specifications

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Display Field Descriptions:
Name: Vessel’s name.
MMSI: Maritime Mobile Service Identity number used for identification of ship and message.
Ship/Cargo Type: Ship & Cargo Type (see table A-1 for values).
AGE: Age of the information on the display, in seconds.
Nav Stat: Navigation status as entered in AIS Voyage setup.
CALL SIGN: Assigned radio call sign.
IMO: International Marine Organization number.
GPS Source: Source of the GPS information in use. The choices are Primary (MX421 or MX525 smart
GPS sensors), Secondary (external GPS attached to the MX420 CDU), and Backup
(Transponder GPS).
Lat/Lon: Position fix of the GPS in use.
GPS Ant Pos: In-use GPS Antenna location (A, B, C & D values see below) with reference to aft of bow
and port or starboard of centerline.
HDG: Gyro reading, in degrees.
COG: Course Over Ground (degrees).
ETA: Estimated time of arrival (date & time).
ROT: Ship’s Rate-Of-Turn, in degrees per minute.
SOG: Speed Over Ground (knots).
Destination: Operator entered destination under the AIS Voyage setup screen.
GPS Antenna Offset Diagram