Furuno FR-10, Operator'S Manual, Page: 149 / 171

APPENDIX 3 DIGITAL INTERFACE
AP-13
VDM-AIS VHF Data-Link Message
VDO
VTG-Course Over Ground and Ground Speed
ZDA-Time and Date
!**VDM, 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 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,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, x.x, T, x.x, M, x.x, N, x.x, K, a, *hh <CR><LF>
1 2 3 4 5 6 7 8 9
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, hhmmss.ss, xx, xx, xxxx, xx, xx *hh<CR><LF>
1 2 3 4 5 6
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)