APA - Autopilot Sentence "A"
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$--APA,A,A,x.xx,L,N,A,A,xxx,M,c---c*hh<CR><LF>
Field Number:
1) Status
V = LORAN-C Blink or SNR warning
V = general warning flag or other navigation systems when a reliable
fix is not available
2) Status
V = Loran-C Cycle Lock warning flag
A = OK or not used
3) Cross Track Error Magnitude
4) Direction to steer, L or R
5) Cross Track Units (Nautic miles or kilometers)
6) Status
A = Arrival Circle Entered
7) Status
A = Perpendicular passed at waypoint
8) Bearing origin to destination
9) M = Magnetic, T = True
10) Destination Waypoint ID
11) checksum