APPENDIX
AP-20
VWT - True wind speed and angle
$--VWT,x.x,a,x.x,N,x.x,M,x.x,K*hh<CR><LF>
| | | | | | | |
| | | | | | | |
| | | | | | | |
| | | | | | | |
| | | | | | | |
| | | | | | | |
| | | | | | | +----------------------- 5
| | | | | +---+------------------------- 4
| | | +---+--------------------------------- 3
| +--+---------------------------------------------- 2
+------------------------------------------------------ 1
1. Calculated wind angle relative to the vessel, 0 to 180°, left/right L/R of vessel heading
2. Calculated wind speed, knots
3. Wind speed, meters/second
4. Wind speed, Km/Hr
5. Checksum
WPL - Waypoint location
$--WPL,llll.lll,a,yyyyy.yyy,a,c--c*hh<CR><LF>
| | | | | |
| | | | | +--------- 4
| | | | +------------ 3
| | +-----+---------------- 2
+-----+---------------------------- 1
1. Waypoint latitude, N/S
2. Waypoint longitude, E/W
3. Waypoint identifier
4. Checksum
ZDA - Time and date
$--ZDA,hhmmss.ss,xx,xx,xxxx,xx,xx*hh<CR><LF>
| | | | | | |
| | | | | | +--------- 7
| | | | | +----------- 6
| | | | +-------------- 5
| | | +------------------ 4
| | +---------------------- 3
| +------------------------- 2
+--------------------------------- 1
1. UTC
2. Day, 01 to 31(UTC)
3. Month, 01 to 12(UTC)
4. Year(UTC)
5. Local zone hours, 00h to +-13h
6. Local zone minutes, 00 to +59
as local hours
7. Checksum
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