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海事の国際的動向に関する調査研究事業報告書(海上安全) 別冊 AISの国際的動向に関する調査研究

 事業名 海事の国際的動向に関する調査研究
 団体名 日本海難防止協会 注目度注目度5


5 Water Level Message
 
Parameter Number of bits Description
Application ID 16 DAC = 316 or 366; FI = 1; See Section 2.1
Reserved 2  
Message ID 6 Message Identifier = 3 (00 0011 in binary)
Binary Data Max 864 Message contains 1 to 6 water level reports, each structured as defined in Section 5.1
Total Number of bits Max 888 = 24 + N*144

N  Total Bits  (Slots Required)
1   168 bits        (2 slots)
2   312 bits        (2 slots)
3   456 bits        (3 slots)
4   600 bits        (4 slots)
5   744 bits        (4 slots)
6   888 bits        (5 slots)
 
5.1 Water Level Report
 
Timetag 20 Month, Day and Time of reading, See Section 2.2
Station ID 42 Seven 6-bit ASCII character ID
Longitude 25 Longitude in 1/1000 minute (±180 degrees, East = positive, West = negative. 181 degrees = not available)
Latitude 24 Latitude in 1/1000 minute (±90 degrees, North = positive, South = negative. 91degrees = not available)
Water Level Type 1 0 or 1; 0=Relative to reference datum , 1 = Water Depth, Note: Always 0 for Saint Lawrence Seaway
Water Level 16 Water level in centimeters -327.67 to +327.67 meters, -32767 = -327.67 m or less, +32767 = +327.67 m or greater, -32768 = not available
Reference Datum 2 Defines datum used
0 = MILLW
1 = IGLD-85
2,3 = reserved for future use
Note: Always 1 for Saint Lawrence Seaway
Reserved 14 Reserved bits for future use
Total Number of bits 144  
 
Notes:
 
 Readings are updated once every hour. Information from available water level sensors will be broadcast throughout the Saint Lawrence Seaway.
 
 Water level readings at the Saint Lawrence Seaway are based on the 1985 - International Great Lakes Datum (IGLD-85).

5.2 Example: Water Level Message
 
Designated Area Code Function Id Res. Message Id
0 1 0 0 1 1 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1
316 1 0 3
 
Timetag ・・・
0 1 0 1 1 1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 0 1
5 29 00 34 "T"・・・
 
・・・Station Id・・・
0 0 0 0 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0
・・・"T" "E" "S" "T" "1"・・・
 
・・・Station Id Longitude・・・
0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1
・・・"1" "" "" 27°05' E・・・
 
・・・Longitude Latitude・・・
1 0 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 1
・・・27°05' E 5°05' N・・・
 
・・・Latitude T Wind Level・・・
0 1 0 0 1 1 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0
・・・5°05' N 0 0.32m・・・
 
・・・Water Level RD Reserved
0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
・・・0.32m IGLD 0
 
6 Water Flow Message (Seaway)
 
Parameter Number of bits Description
Application ID 16 DAC = 316 or 366; FI = 1; See Section 2.1
Reserved 2  
Message ID 6 Message Identifier = 6 (00 0110 in binary)
Binary Data Max 864 Message contains 1 to 6 water flow reports, each flow report is defined in Section 6.1
Total Number of bits Max 888 = 24 + N*144

N  Total Bits  (Slots Required)
1   168 bits        (2 slots)
2   312 bits        (2 slots)
3   456 bits        (3 slots)
4   600 bits        (4 slots)
5   744 bits        (4 slots)
6   888 bits        (5 slots)
 
6.1 Water Flow Report
 
Timetag 20 Month, Day and Time of reading, See Section 2.2
Station ID 42 Seven 6-bit ASCII character ID
Longitude 25 Longitude in 1/1000 minute (±180 degrees, East = positive, West = negative. 181 degrees = not available)
Latitude 24 Latitude in 1/1000 minute (±90 degrees, North = positive, South = negative. 91 degrees = not available)
Water Flow 14 Water flow cubic meters per second (16383 = Not Available)
Reserved 19 Reserved bits for future use
Total Number of bits 144  
 
Notes:
 
 Flow information from sensors will be transmitted to users throughout the Saint Lawrence Seaway via the AIS network.
 
 Water flow readings are updated once every hour and will be repeated over the network every 15 minutes.

6.2 Example: Water Flow Message
 
Designated Area Code Function Id Res. Message Id
0 1 0 0 1 1 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0
316 1 0 6
 
Timetag ・・・
0 1 0 1 1 1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 0 1
5 29 00 34 "T"・・・
 
・・・Station Id・・・
0 0 0 0 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0
・・・"T" "E" "S" "T" "1"・・・
 
・・・Station Id Longitude・・・
0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1
・・・"1" "" "" 27°05' E・・・
 
・・・Longitude Latitude・・・
1 0 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 1
・・・27°05' E 5°05' N・・・
 
・・・Latitude Water Flow・・・
0 1 0 0 1 1 1 0 1 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0
・・・5°05' N 8192 m3/s・・・
 
・・・Water Flow Reserved
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
・・・8192 m3/s 0
 
7 Lockage Order Message (seaway)
 
Parameter Number of bits Description
Application ID 16 DAC = 316 or 366; F1 = 2; See Section 2.1
Reserved 2  
Message ID 6 Message Identifier = 1 (00 0001 in binary)
Timetag 20 Month, Day and Time of Message, See Section 2.2
Lock ID 42 Seven characters in 6 bit ASCII. "@@@@@@@" = not available
Longitude 25 Longitude in 1/1000 minute (±180 degrees, East = positive, West = negative. 181 degrees = not available)
Latitude 24 Latitude in 1/1000 minute (±90 degrees, North = positive, South = negative. 91 degrees = not available)
Reserved 9 Reserved bits for future use
Lock Schedule Min 120
Max 720
Each Lock Order Message contains up to 6 lock schedule reports structured as defined in Section 7.1
Total Number of bits Min 264
Max 864
= 144+N*120

N Total Bits (Slots Required)
1   264 bits        (2 slots)
2   384 bits        (3 slots)
3   504 bits        (3 slots)
4   624 bits        (4 slots)
5   744 bits        (4 slots)
6   864 bits        (5 slots)
 
7.1 Lock Schedule Report
 
Parameter Number of bits Description
Vessel Name 90 15 characters in 6-bit ASCII. "@@@@@@@@@@@@@@@" = not available
Direction 1 TRUE = Up bound = 1, FALSE = Down bound = 0
ETA 20 Estimated time of arrival (format as defined in Section 2.2)
Reserved 9 Reserved bits for future use
Total Number of Bits 120  
 
Notes:
 
 The Lockage Order Message contains schedule information for the next three lock operations. Two separate messages will be send for Locks with dual chambers, such as the Welland Canal flight locks.
 
 The Lockage Order Message is a local binary broadcast message. Lockage order information is updated every 15 minutes. The transmission of this message is limited to areas where the information is applicable.

Lock Identifiers:

SLS_L01 - Welland Canal Lock 1
SLS_L02 - Welland Canal Look 2
SLS_L03 - Welland Canal Lock 3
SLS_L4E - Welland Canal Lock 4 East
SLS_L4W - Welland Canal Lock 4 West
SLS_L6E - Welland Canal Lock 6 East
SLS_L6W - Welland Canal Lock 6 West
SLS_L07 - Welland Canal Lock 7
SLS_L08 - Welland Canal Lock 8
SLS_IRO - Iroquois Lock
SLS_IKE - Eisenhower Lock
SLS_SNL - Snell Lock
SLS_B03 - Beauharnois Lock 3
SLS_B04 - Beauharnois Lock 4
SLS_CSC - Cote Saint Catherine Lock
SLS_SLB - Saint Lambert Lock
 
7.2 Example: Lockage Order Message
 
Designated Area Code Function Id Res. Message Id
0 1 0 0 1 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
316 2 0 1
 
Timetag ・・・
0 1 0 1 1 1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 0 1
5 29 00 34 "T"・・・
 
・・・Lock Id・・・
0 0 0 0 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0
・・・"T" "E" "S" "T" "1"・・・
 
・・・Lock Id Longitude・・・
0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1
・・・"1" "" "" 27°05' E・・・
 
・・・Longitude Latitude・・・
1 0 0 1 0 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 1
・・・27°05' E 5°05' N・・・
 
・・・Latitude Reserved
0 1 0 0 1 1 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0
・・・5°05' N 0
 
Vessel Name・・・
0 0 1 1 0 1 0 0 1 0 0 1 0 0 1 1 0 0 0 0 1 0 1  
"M" "I" "L" "K"
 
・・・Vessel Name・・・
0 1 1 0 0 1 1 0 0 0 0 0 0 1 0 0 1 1 0 1 0 1 0 0
"Y" "" "S" "T"
 
・・・Vessel Name・・・
0 0 0 0 0 1 0 1 0 0 1 0 1 0 0 0 0 0 1 0 0 0 0 0
"A" "R" "" ""
 
・・・Vessel Name D ETA・・・
1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 1 1
"" "" "" U May ・・・
 
  Reserved
1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0
・・・29th 00 34 0







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ランキング
注目度とは?
成果物アクセスランキング
588位
(31,179成果物中)

成果物アクセス数
16,397

集計期間:成果物公開〜現在
更新日: 2019年6月8日

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