Specifications

San Jose Technology, Inc. ｜11F., No.2, Sec. 4, Jhongyang Rd., Tucheng City, Taipei County 236, Taiwan
(R.O.C.) ｜Tel: [phone]｜Fax: [phone]｜[e-mail]
18
www.sanav.com
VDO Message
Number
VDO Message Description
AIS Target Display Information
18 Standard Class B position report (Includes
MMSI, SOG, position accuracy, lat, long,
COG, true heading,)
24a Class B “CS” Static data Part A (Includes
MMSI and vessel name)
24b Class B “CS” Static data Part B (Includes
MMSI, ship type, cargo type, call sign,
ship dimensions)
5.9 Regional Assignment Channel Assignment Message (NMEA 0183 ACA)
The AIS700 unit can receive regional channel management information in two ways:
ITU-R M.1371 message 22 or a DSC telecommand received on channel 70,
5.10 ACA Message Format
$--ACA,x,llll.ll,a,yyyyy.yy,a,llll.ll,a1,y1y1y1y1y.y1y1,a2,x1,x2x2x2x2,x3,x4x4x4x4,
x5,x6,x7,a3,x8,hhmmss.ss*hh <CR><LF>
• x = Sequence Number , 0 to 9
• IIII, II, a = Region Northeast corner latitude – N/S
• yyyyy.yy,a1 = Region Northeast corner longitude – E/W
• llll.ll,a = Region Southwest corner latitude – N/S
• y1y1y1y1y1.y1y1,a2 = Region Southwest corner longitude – E/W
• x1 = Transition Zone Size
• x2x2x2x2 = Channel A
• x3 = Channel A bandwidth
• x4x4x4x4 = Channel B
• x5 = Channel B bandwidth
• x6 = Tx/Rx mode control