St Lawrance Seaway water level message
| Name | NumberOfBits | ArrayLength | Type | Units | Description |
|---|---|---|---|---|---|
| time_month | 4 | uint | Time tag of measurement month 1..12 | ||
| time_day | 5 | uint | Time tag of measurement day of the month 1..31 | ||
| time_hour | 5 | uint | Time tag of measurement UTC hours 0..23 | ||
| time_min | 6 | uint | Time tag of measurement minutes | ||
| stationid | 6 | 7 | aisstr6 | Character identifier of the station. Usually a number. | |
| pos_longitude | 25 | decimal | degrees | Location of measurement East West location | |
| pos_latitude | 24 | decimal | degrees | Location of measurement North South location | |
| type | 1 | uint | How to interpret the water level 0: Relative to datum 1: Water depth |
||
| waterlevel | 16 | int | cm | Water level in centimeters | |
| datum | 2 | uint | What reference datum applies to the value 0: MLLW 1: IGLD-85 2: Reserved 3: Reserved |
||
| reserved | 14 | uint | Reserved bits for future use |