6 Raymarine Automatic Identification System Receiver
Static and dynamic information
Defined transmit rates for Class A vessels shown below are
provided for reference purposes only. The frequency of
messages received (using the AIS250 receive-only unit) will vary
due to a number of factors including but not limited to such
factors as antenna height, gain and signal interference.
• Static information is either broadcast every 6 minutes, when
data has been amended, or upon request.
• Dynamic information is broadcast depending on speed and
course alteration based on the following tables
D8966_1
Static Data
Ship's name
Type
Call sign
IMO number
Length and beam
GPS Antenna loctation
Draft
Cargo information
Destination
ETA
Other relevant information
Time
Ship's position
COG
SOG
Gyro heading
Rate of turn
Navigational status
Dynamic Data
Voyage Related Data
Data details
Class A
Class B
Ship's speed
Ship's status
Dynamic Reports
Alarm
Safety
Messages
Ships Dynamic Conditions
Normal reporting
interval
At anchor or moored 3 Minutes
0-14 knots 10 Seconds
0-14 knots and changing course 3 1/3 Seconds
14-23 knots 6 Seconds
14-23 knots and changing course 2 seconds
Ship faster than 23 knots 2 Seconds
Ship faster than 23 knots and
changing course
2 Seconds
81286_2.book Page 6 Friday, December 5, 2008 2:29 PM
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