Furuno GP-170 - BWC-Bearing and Distance to Waypoint - Great Circle; BWR-Bearing and Distance to Waypoint - Rhumb Line; BWW-Bearing Waypoint to Waypoint; DBT-Depth below Transducer

APPENDIX 1 DIGITAL INTERFACE (IEC 61162-1 EDITION 4 (2010-11))
AP-9
BWC-Bearing and distance to waypoint - Great circle
BWR-Bearing and distance to waypoint - Rhumb line
BWW-Bearing waypoint to waypoint
DBT-Depth below transducer
$ GPBWC,hhmmss.ss,llll.ll, a,IIIII.II,a,yyy.y,T, yyy.y,M,yyy.y,N,c--c,A,*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 11 12 13
1. UTC of observation
2
. Waypoint latitude
3. N/S
4
. Waypoint longitude
5. E/W
6. Bearing, degrees true
7. Unit, True
8. Bearing, degrees
9. Unit, Magnetic
10. Distance, nautical miles
11. Unit , N
12. Waypoint ID (Max. 13 characters)
13. Mode Indicator (A=Autonomous D=Differential S=Simulator)
$ GPBWR,hhmmss.ss,llll.ll,a,IIIII.II,a,yyy.y,T,yyy.y,M,yyy.y,N,c--c,A,*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 11 12 13
1. UTC of observation
2. Waypoint latitude
3. N/S
4. Waypoint longitude
5. E/W
6. Bearing, degrees true
7. Unit, True
8. Bearing, degrees
9. Unit, Magnetic
10. Distance, nautical miles
11. Unit , N
12. Waypoint ID (Max. 13 characters)
13. Mode Indicator (A=Autonomous D=Differential S=Simulator)
$
--BWW,x.x,T,x.x,M,c--c,c--c*hh<CR><LF>
1 2 3 4 5
1. Bearing, degrees true
2
. Bearing, degrees magnetic
3
. TO waypoint ID
4
. FROM waypoint ID
5
. Checksum
$
**DBT,xxxx.x,f,xxxx.x,M,xxxx.x,F,*hh<CR><LF>
1 2 3 4 5 6
1. Water depth
2
. feet
3
. Water depth
4
. Meters
5
. Water depth
6
. Fathoms