Magellan's GPS Receiver 320 User Manual

54

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.)

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