Furuno GPS NAVIGATOR GP-150 - Manual (Page 87)

APPENDIX
AP-19
WCV - Waypoint closure velocity
$--WCV,x.x,N,c--c,a*hh<CR><LF>
| | | | | |
| | | | | +------- 4
| | | | +--------- 3
| | +--+----------- 2
+--+---------------- 1
1. Velocity component, knots
2. Waypoint identifier
3. Mode indicator(see note)
4. Checksum
NOTE Positioning system Mode indicator:
A = Autonomous
D = Differential
S = Simulator
N = Data not valid
The positioning system Mode indicator field shall not be a null field.
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