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Technical reference
Page 73
6.9.9
VDM - VHF data link message
This sentence is used to transfer the contents of a received AIS message (as defined in ITU-R M.1371) as
received on the VHF Data Link (VDL) using 6 bit ASCII data encapsulation.
6.9.10 VDO - VHF data link own vessel message
This sentence is used to provide the information assembled for broadcast by the AIS transceiver. It uses 6 bit
ASCII data encapsulation.
!--VDM,x,x,x,a,s--s,x*hh<CR><LF>
Field
number
Description
1
x
Total number of sentences needed to transfer the message, 1 to 9
2
x
Sentence number, 1 to 9
3
x
Sequential message identifier, 0 to 9
4
a
AIS Channel, "A" or "B"
5
s--s
Encapsulated ITU-R M.1371 radio message
6
x
Number of fill-bits, 0 to 5
!--VDO,x,x,x,a,s--s,x*hh<CR><LF>
Field
number
Description
1
x
Total number of sentences needed to transfer the message, 1 to 9
2
x
Sentence number, 1 to 9
3
x
Sequential message identifier, 0 to 9
4
a
AIS Channel, "A" or "B"
5
s--s
Encapsulated ITU-R M.1371 radio message
6
x
Number of fill-bits, 0 to 5
Содержание AIS 100
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