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Magellan NAV 6500/NAV 6510 89
VTG Course over ground and Ground Speed (SPD)
1 2 3 4 5 6 7 8
VTG,x.x,T,x.x,M,x.x,N,x.x,K*hh
1-2 COG, degrees True
3-4 COG, degrees Magnetic
5-6 SOG, knots
7-8 SOG, kilometers/hour
APA Autopilot Format A
1 2 3 4 5 6 7 8 9 10
APA,A,A,x.x,a,N,A,A,x.x,M,c--c*hh
1 OR’ed Blink and SNR (A = valid, V = invalid)
2 Cycle Lock (A = valid, V = invalid)
3-5 Cross Track Error, Sense (L = steer left, R =
steer Right), N.Mi. Units
6-7 Arrival Circle, Arrival Perpendicular (crossing
of the line which is perpendicular to the course
line and which passes through the destination
waypoint.
8-9 Bearing dest. LMK. from origin LMK., Magnetic
10 Dest LMK. identifier
The formats listed are NMEA formats and Magellan receiv-
ers may not output all of the information listed for a particu-
lar format.
A complete copy of the NMEA specifica-
tions can be obtained from:
NMEA
PO Box 3435
New Bern, NC 28564-3435