Specifications
San Jose Technology, Inc. |11F., No.2, Sec. 4, Jhongyang Rd., Tucheng City, Taipei County 236, Taiwan
(R.O.C.) |Tel: 886-2-22694456|Fax: 886-2-22694451|sanav@sanav.com
17
www.sanav.com
System control
7 binary acknowledge (INFO)
10 UTC and data inquiry (INFO)
11 UTC and data response (INFO)
13 safety related ack (INFO)
15 interrogation (INFO)
16 assignment mode command (INFO)
17 DGNSS corrections (INFO)
20 data link management (INFO)
22 channel management (INFO)
5.7 VHF data link own vessel messages (NMEA 0183 VDO)
This message describes the own vessel message being sent.
5.8 VDO Message Format
!--VDO,x1,x2,x3,a,s--s,x*hh<CR><LF>
• x1 = Total number of sentences needed to transfer the message , 1 to 9
• x2 = Sentence number, 1 to 9
• x3 = Sequential message identifier, 0 to 9
• a = AIS Channel, "A" or "B"
• s - - s = Encapsulated ITU-R M.1371 radio message 4
• x = Number of fill-bits , 0 to 5










