Addressed safety related message. FIX: need to handle the -1 string length at the end
| Name | NumberOfBits | ArrayLength | Type | Units | Description |
|---|---|---|---|---|---|
| MessageID | 6 | uint | AIS message number. Must be 6 | ||
| 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 | ||
| SeqNum | 2 | uint | Sequence number as described in 5.3.1. Assigned to each station | ||
| DestinationID | 30 | uint | Unique ship identification number (MMSI). | ||
| RetransmitFlag | 1 | bool | Should the message be restransmitted? | ||
| Spare | 1 | uint | Must be 0 |