Furuno FR-2105-B - Manual (Page 152)

-9.3-
Description of Sentence
Channel 1 Input
BWC - Bearing and distance to waypoint - great circle
Waypoint ID Mode indicator (A/D/E/M/S/N) *1
Distance, nautical miles Checksum
Bearing, degrees magnetic*2
$--BWC, hhmmss.ss, 1111.11, a, yyyyy. yy, a, x.x, T, x.x, M, x.x, N, c—c,a*hh<CR><LF>
Bearing, degrees true
Waypoint longitude, E/W
Waypoint latitude, N/S
UTC of observation *2
*1: Edition 2 only, *2: Not used
BWR - Bearing and distance to waypoint - rhumb line
Time (UTC) and distance and bearing to, location of, a specified waypoint from present position. $--BWR
data is calculated along the rhumb line from present position rather than along the great circle path.
Waypoint ID Mode indicator (A/D/E/M/S/N) *1
Distance TO WPT, nautical miles Checksum
Bearing, degrees magnetic*2
$--BWR, hhmmss.ss, 1111.11, a, yyyyy. yy, a, x.x, T, x.x, M, x.x, N, c—c,a*hh<CR><LF>
Bearing, degrees true
Waypoint longitude, E/W
Waypoint latitude, N/S
UTC of observation *2
*1: Edition 2 only, *2: Not used
Note: The mode indicator character “a” has been defined as follows.
A= Autonomous mode
D= Differential mode
E= Estimated (dead reckoning) mode
M= Manual input mode
S= Simulator mode
N= Data not valid