AIS Message Definitions

AIS Message: ris_waterlevel (000:24:)

Description:

RIS ECE/TRANS/SC.3/2006/10 Table 2.15: Water level report

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
fid 6 uint Functional Identifier
country 6 2 aisstr6 UN country code using 2*6-Bit ASCII characters according to ERI specification
id1_id 11 uint One tide gauge measurement. Station ID defined by ERI for each country
id1_sign 1 uint One tide gauge measurement. sign of the number in the waterlevel
0: -1
1: 1
id1_waterlevel 11 decimal m One tide gauge measurement. Water level at the sensor
id1_i_have_no_idea 2 uint One tide gauge measurement. What are these bits for? They do not seem to be specified
id2_id 11 uint One tide gauge measurement. Station ID defined by ERI for each country
id2_sign 1 uint One tide gauge measurement. sign of the number in the waterlevel
0: -1
1: 1
id2_waterlevel 11 decimal m One tide gauge measurement. Water level at the sensor
id2_i_have_no_idea 2 uint One tide gauge measurement. What are these bits for? They do not seem to be specified
id3_id 11 uint One tide gauge measurement. Station ID defined by ERI for each country
id3_sign 1 uint One tide gauge measurement. sign of the number in the waterlevel
0: -1
1: 1
id3_waterlevel 11 decimal m One tide gauge measurement. Water level at the sensor
id3_i_have_no_idea 2 uint One tide gauge measurement. What are these bits for? They do not seem to be specified
id4_id 11 uint One tide gauge measurement. Station ID defined by ERI for each country
id4_sign 1 uint One tide gauge measurement. sign of the number in the waterlevel
0: -1
1: 1
id4_waterlevel 11 decimal m One tide gauge measurement. Water level at the sensor
id4_i_have_no_idea 2 uint One tide gauge measurement. What are these bits for? They do not seem to be specified