APPENDIX 2 DIGITAL INTERFACE
AP-10
SSD - AIS ship static data
THS - True heading and status
VBW - Dual ground/water speed
VSD - AIS voyage static data
VTG - Course over ground and ground speed
$**SSD,c--c,c--c,xxx,xxx,xx,xx,c, aa*hh<CR><LF>
1 2 3 4 5 6 7 8
1. Ship's call sign (1 to 7 characters, NULL)
2. Ship's name (1 to 20 characters, NULL)
3. Pos. ref. point distance, "A," from bow (0 to 511 Meters, NULL)
4. Pos. ref. point distance, "B," from stern (0 to 511 Meters, NULL)
5. Pos. ref. point distance, "C," from port beam (0 to 63 Meters, NULL)
6. Pos. ref. point distance, "D," from starboard beam (0 to 63 Meters, NULL)
7. DTE indicator flag
8. Source identifier (2 characters, NULL)
$--THS, x.x, a *hh<CR><LF>
1 2
1. Heading, degrees true (0.00
to
359.99)
2. Mode indicator (A=Autonomous)
$**VBW,x.x,x.x,x,x.x,x.x,x,x.x,x,x.x,x,*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10
1. (No use) Longitudinal water speed, knots (-9999.99 to 9999.99)
2. (No use) Transverse water speed, knots (-9999.99 to 9999.99)
3. (No use) Status: water speed, A=data valid V=data invalid
4. Longitudinal ground speed, knots (-999.999 to 999.999)
5. Transverse ground speed, knots (-999.999 to 999.999)
6. Status: ground speed (A=data valid, NULL)
7. (No use) Stern transverse water speed, knots (-9999.99 - 9999.99)
8. (No use) Status: stern water speed, A=data valid V=data invalid
9. (No use) Stern transverse ground speed, knots (-9999.99 - 9999.99)
10. (No use) Status: stern ground speed, A=data valid V=data invalid
$--VSD,x.x,x.x,x.x,c--c,hhmmss.ss,xx,xx,x.x,x.x*hh<CR><LF>
1 2 3 4 5 6 7 8 9
1. Type of ship and cargo category (0 to 255, NULL)
2. Maximum present static draught (0 to 25.5m, NULL)
3. Persons on-board (0 to 8191, NULL)
4. Destination (1 to 20 characters, NULL)
5. Estimated UTC of arrival at destination (0 to 235959.99, NULL)
6. Estimated day of arrival at destination (00 to 31(UTC), NULL)
7. Estimated month of arrival at destination (00 to 12(UTC), NULL)
8. Navigational status (0 to 15, NULL)
9. Regional application flags (0 to 15, NULL)
$--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 (0.00 to 359.99)
2. T=True (fixed)
3. (No use) Course over ground, degrees (0.0 to 359.99)
4. (No use) M=Magnetic (fixed)
5. Speed over ground, knots (0.00 to 999.99)
6. N=Knots (fixed)
7. Speed over ground (0.00 to 999.99)
8. K=km/h (fixed)
9. Mode indicator (
A=Autonomous mode, D=Differential mode, P=Precise)
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