Endangered whale notification binary message
Note:LNG terminal project. This is a draft. Please comment on the content of this message
| Name | NumberOfBits | ArrayLength | Type | Units | Description |
|---|---|---|---|---|---|
| MessageID | 6 | uint | AIS message number. Must be 8 | ||
| 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) | ||
| Spare | 2 | uint | Reserved for definition by a regional authority. | ||
| dac | 10 | uint | Designated Area Code - 366 for the United States | ||
| fid | 6 | uint | Functional IDentifier - 63 for the Whale Notice | ||
| efid | 12 | uint | Extended Functional IDentifier. 1 for the Whale Notice (dac+fid+efid defines the exact message type) | ||
| numreports | 2 | uint | Number of detection reports filled out in this message | ||
| stationid1 | 8 | uint | Identifier of the station that recorded the whale. Usually a number. | ||
| time1_day | 5 | uint | Time of most recent whale detection. UTC day of the month 1..31 | ||
| time1_hour | 5 | uint | Time of most recent whale detection. UTC hours 0..23 | ||
| time1_min | 6 | uint | Time of most recent whale detection. UTC minutes | ||
| center1_longitude | 28 | decimal | degrees | Center of the detection zone. East West location | |
| center1_latitude | 27 | decimal | degrees | Center of the detection zone. North South location | |
| timetoexpire1 | 16 | uint | seconds | Seconds from the detection time until the notice expires 0: No detection/notice active in region |
|
| radius1 | 16 | uint | m | Distance from center of detection zone (lat/lon above) | |
| stationid2 | 8 | uint | Identifier of the station that recorded the whale. Usually a number. | ||
| time2_day | 5 | uint | Time of most recent whale detection. UTC day of the month 1..31 | ||
| time2_hour | 5 | uint | Time of most recent whale detection. UTC hours 0..23 | ||
| time2_min | 6 | uint | Time of most recent whale detection. UTC minutes | ||
| center2_longitude | 28 | decimal | degrees | Center of the detection zone. East West location | |
| center2_latitude | 27 | decimal | degrees | Center of the detection zone. North South location | |
| timetoexpire2 | 16 | uint | seconds | Seconds from the detection time until the notice expires 0: No detection/notice active in region |
|
| radius2 | 16 | uint | m | Distance from center of detection zone (lat/lon above) | |
| stationid3 | 8 | uint | Identifier of the station that recorded the whale. Usually a number. | ||
| time3_day | 5 | uint | Time of most recent whale detection. UTC day of the month 1..31 | ||
| time3_hour | 5 | uint | Time of most recent whale detection. UTC hours 0..23 | ||
| time3_min | 6 | uint | Time of most recent whale detection. UTC minutes | ||
| center3_longitude | 28 | decimal | degrees | Center of the detection zone. East West location | |
| center3_latitude | 27 | decimal | degrees | Center of the detection zone. North South location | |
| timetoexpire3 | 16 | uint | seconds | Seconds from the detection time until the notice expires 0: No detection/notice active in region |
|
| radius3 | 16 | uint | m | Distance from center of detection zone (lat/lon above) | |
| Spare2 | 21 | uint | Not used. Should be set to zero. |