AIS Message Definitions

AIS Message: srbm (::)

Description:

Safety related broadcast message

Name NumberOfBits ArrayLength Type Units Description
MessageID 6 uint AIS message number. Must be 14
RepeatIndicator 2 uint Indicated how many times a message has been repeated
0: default
3: do not repeat any more
UserID 30 uint Unique ship identification number (MMSI). Also known as the Source ID
Spare2 1 uint Must be 0