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Saab R5 - TXT Text Transmission Sentence; VDM AIS VHF Data-Link Message Sentence; VDO AIS VHF Data-Link Own-Vessel Report Sentence

Saab R5
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R5 SOLID AIS System
INTERPRETATION OF OUTPUT SENTENCES
7000 118-200, C2 Page 78
1
--TRL
Sentence Id
Used
2
x.x
Total number of log
entries
Used
3
x.x
Log entry number
Used
4
x
Sequential message
identifier
Used
5
xxxxxxxx
Switch off date
Used
6
hhmmss.ss
Switch off UTC time
Used
7
xxxxxxxx
Switch on date
Used
8
hhmmss.ss
Switch on UTC time
Used
9
X
Reason code1
Used
9.3.8 TXT Text transmission
$--TXT,xx,xx,xx,c--c
Output rate: On request, on event.
Field
Format
Name
Comment
1
--TXT
Sentence Id
Used
2
xx
Total number of sentences
Used
3
xx
Sentence number
Used
4
xx
Text identifier
Used
5
c--c
Text message
Used
9.3.9 VDM AIS VHF data-link message
!--VDM,x,x,x,a,ss,x
Only output on serial port when baudrate is 38400 bps or higher.
Output rate: On VHF message receive event.
Field
Format
Name
Comment
1
--VDM
Sentence Id
Used
2
X
Total number of sentences
needed to transfer the
message
Used
3
X
Sentence number
Used
4
X
Sequential message identifier
Used
5
A
AIS channel
Used
6
ss
Encapsulated ITU-R M.1371
radio message
Used
7
X
Number of fill bits
Used
9.3.10 VDO AIS VHF data-link own-vessel report
!--VDO,x,x,x,a,ss,x
Only output on serial port when baudrate is 38400 bps or higher.
Output rate: On VHF transmission event. “Dummy” messages once
per second.
Field
Format
Name
Comment
1
--VDO
Sentence Id
Used
2
X
Total number of sentences
needed to transfer the
message
Used
3
X
Sentence number
Used
4
X
Sequential message identifier
Used
5
A
AIS channel
Used for transmission event.
Not used for “dummy” position
messages.
6
ss
Encapsulated ITU-R M.1371
radio message
Used
7
X
Number of fill bits
Used

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