VDM-VHF AIS-Mensaje de enlace de datos
!**VDM, x, x, x, x, s--s, x, *hh<CR><LF>
1 2 3 4
5
1. Total number of sentences needed to transfer the message (1 to 9)
2. Message sentence number (1 to 9)
3. Sequential message identifier (0 to 9, null)
4. AIS channel Number (A or B)
5. Encapsulated ITU-R M.1371 radio message (1 to 62 bytes)*
6. Number of fill-bits (0 to 5)
*: This equipment only accepts ITU-R M. 1371 messages with the
following IDs: 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 14, 18, 19, 21, 24.
VDO
!**VDO,x,x,x,x,s--s,x,*hh<CR><LF>
1 2 3 4 5 6
1. Total number of sentences needed to transfer the message (1 to 9)
2. Message sentence number (1 to 9)
3. Sequential message identifier (0 to 9, null)
4. AIS channel Number* (A, B, C, D, null)
5. Encapsulated ITU-R M.1371 radio message (1 to 62 bytes)
6. Number of fill-bits (0 to 5)
*: Channel numbers C and D are only used with vessels which are
compliant with the relevant regulations.
VTG-Curso sobre el terreno y velocidad sobre el terreno
$**VTG, x.x, T, x.x, M, x.x, N, x.x, K, a, *hh <CR><LF>
1 2 3
1. Course over ground, degrees (0.0 to 360.0)
2. T=True (fixed)
3. Course over ground, degrees (not used)
4. M=Magnetic (not used)
5. Speed over ground, knots (0.00 to 1237.9)
6. N=Knots (fixed)
7. Speed over ground (0.00 to 2359.3)
8. K=km/h (fixed)
9. Mode indicator
(A=Autonomous, D=Differential, E=Estimated (dead reckoning),
M=Manual input, P=Precision, S=Simulator )
ZDA-Hora y fecha
$**ZDA, hhmmss.ss, xx, xx, xxxx, xx, xx *hh<CR><LF>
1
2 3
1. UTC (000000.00 to 235959.00)
2. Day (01 to 31)
3. Month (01 to 12)
4. Year (UTC, 0000 to 9999)
5. Local zone, hours (not used)
6. Local zone, minutes (not used)
6
4
5 6
7
8 9
4
5
6
APÉNDICE 3 INTERFAZ DIGITAL
AP-13