Magellan GPS 315 User Manual - Page 62

VTG,XXX.,T,XXX.,M,XX.X,N,XX.X,K, XTE, A,A,X.XX, L,N, 5 6 7 8

Page 62 highlights

VTG Actual Track and Ground Speed (SPD) 1 23 45 67 8 VTG,XXX.,T,XXX.,M,XX.X,N,XX.X,K 1-2 Track degrees, True 3-4 Track degrees, Magnetic 5-6 Speed, knots 7-8 Speed, kilometers/hour XTE Cross Track Error 12 3 45 XTE, A,A,X.XX, L,N 1 Or'ed value Blink and SNR (A=Valid, V=Invalid) 2 Cycle Lock, (A=Valid, V=Invalid) 3 Cross Track Error 4 Steer Left of Right (L = Left, R = Right) 5 Units (N.Mi.) NMEA 0183 VERSION 2.1 APB Autopilot Sentence "B" 1 2 3 4 5 6 7 8 9 10 11 12 13 14 APB,A,A,x.x,a,N,A,A,x.x,a,c-c,x.x,a,x.x,a*hh 1 Status: A = Data valid V = Loran-C Blink or SNR warning V = general warning flag for 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 Magnitude of XTE 4 Direction to steer (L, R) 5 XTE units, nautical miles 6 Status: A = arrival circle entered 7 Status: A = perpendicular passed at waypoint 8-9 Bearing origin to destination, M/T 10 Destination waypoint ID 11-12 Bearing, present position to destination, Magnetic or True 13-14 Heading to steer to destination waypoint, Magnetic or True 54 Magellan GPS 315/GPS 320

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54
Magellan GPS 315/GPS 320
VTG
Actual Track and Ground Speed (SPD)
1
2 3
4 5
6 7
8
VTG,XXX.,T,XXX.,M,XX.X,N,XX.X,K
1-2
Track degrees, True
3-4
Track degrees, Magnetic
5-6
Speed, knots
7-8
Speed, kilometers/hour
XTE
Cross Track Error
1 2
3
4 5
XTE, A,A,X.XX, L,N
1
Or’ed value Blink and SNR (A=Valid, V=Invalid)
2
Cycle Lock, (A=Valid, V=Invalid)
3
Cross Track Error
4
Steer Left of Right (L = Left, R = Right)
5
Units (N.Mi.)
NMEA 0183 VERSION 2.1
APB
Autopilot Sentence “B”
1 2 3
4 5 6 7 8
9 10
11 12 13
14
APB,A,A,x.x,a,N,A,A,x.x,a,c—c,x.x,a,x.x,a*hh
1
Status:
A = Data valid
V = Loran-C Blink or SNR warning
V = general warning flag for 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
Magnitude of XTE
4
Direction to steer (L, R)
5
XTE units, nautical miles
6
Status:
A = arrival circle entered
7
Status:
A = perpendicular passed at waypoint
8-9
Bearing origin to destination, M/T
10
Destination waypoint ID
11-12 Bearing, present position to destination, Magnetic or True
13-14 Heading to steer to destination waypoint, Magnetic or
True