42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
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/*
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=== BWC - Bearing & Distance to Waypoint - Great Circle ===
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------------------------------------------------------------------------------
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12
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1 2 3 4 5 6 7 8 9 10 11| 13 14
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$--BEC,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x.x,T,x.x,M,x.x,N,c--c,m,*hh<CR><LF>
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------------------------------------------------------------------------------
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Field Number:
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1. UTCTime
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2. Waypoint Latitude
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3. N = North, S = South
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4. Waypoint Longitude
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5. E = East, W = West
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6. Bearing, True
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7. T = True
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8. Bearing, Magnetic
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9. M = Magnetic
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10. Nautical Miles
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11. N = Nautical Miles
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12. Waypoint ID
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13. FAA mode indicator (NMEA 2.3 and later, optional)
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14. Checksum
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*/
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exports.ID = 'BWC';
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exports.TYPE = '2waypoint';
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exports.decode = function(fields) {
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return {
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sentence: exports.ID,
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type: exports.TYPE,
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lat: +fields[2],
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latPole: fields[3],
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lon: +fields[4],
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lonPole: fields[5],
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bearingtrue: +fields[6],
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bearingmag: +fields[8],
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distance: +fields[10],
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id: fields[12]
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}
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}
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