58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
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exports.ID = 'APB';
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exports.TYPE = 'autopilot-b';
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exports.decode = function(fields) {
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/*
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=== APB - Autopilot Sentence "B" ===
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13 15
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------------------------------------------------------------------------------
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1 2 3 4 5 6 7 8 9 10 11 12| 14|
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$--APB,A,A,x.x,a,N,A,A,x.x,a,c--c,x.x,a,x.x,a*hh<CR><LF>
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------------------------------------------------------------------------------
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Field Number:
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1. Status
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V = LORAN-C Blink or SNR warning
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V = general warning flag or other navigation systems when a reliable
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fix is not available
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2. Status
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V = Loran-C Cycle Lock warning flag
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A = OK or not used
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3. Cross Track Error Magnitude
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4. Direction to steer, L or R
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5. Cross Track Units, N = Nautical Miles
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6. Status
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A = Arrival Circle Entered
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7. Status
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A = Perpendicular passed at waypoint
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8. Bearing origin to destination
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9. M = Magnetic, T = True
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10. Destination Waypoint ID
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11. Bearing, present position to Destination
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12. M = Magnetic, T = True
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13. Heading to steer to destination waypoint
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14. M = Magnetic, T = True
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15. Checksum
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*/
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return {
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sentence: exports.ID,
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type: exports.TYPE,
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status1 : fields[1],
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status2 : fields[2],
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xteMagn : +fields[3],
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steerDir : fields[4],
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xteUnit : fields[5],
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arrivalCircleStatus : fields[6],
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arrivalPerpendicularStatus : fields[7],
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bearingOrig2Dest : +fields[8],
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bearingOrig2DestType : fields[9],
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waypoint : fields[10],
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bearing2Dest : +fields[11],
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bearingDestType : fields[12],
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heading2steer : +fields[13],
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headingDestType : fields[14]
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}
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}
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