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 - Furuno GP-170 Installation Manual

BWC-Bearing and distance to waypoint - Great circle

$ 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
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)

BWR-Bearing and distance to waypoint - Rhumb line

$ 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
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-Bearing waypoint to waypoint

$--BWW,x.x,T,x.x,M,c--c,c--c*hh<CR><LF>
1 2 3
1. Bearing, degrees true
2. Bearing, degrees magnetic
3. TO waypoint ID
4. FROM waypoint ID
5. Checksum

DBT-Depth below transducer

$**DBT,xxxx.x,f,xxxx.x,M,xxxx.x,F,*hh<CR><LF>
1 2 3
1. Water depth
2. feet
3. Water depth
4. Meters
5. Water depth
6. Fathoms
APPENDIX 1 DIGITAL INTERFACE (IEC 61162-1 EDITION 4 (2010-11))
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AP-9