/* === RMB Recommended Minimum Navigation Information === To be sent by a navigation receiver when a destination waypoint is active. ------------------------------------------------------------------------------ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 | | | | | | | | | | | | | | $--RMB,A,x.x,a,c--c,c--c,llll.ll,a,yyyyy.yy,a,x.x,x.x,x.x,A*hh ------------------------------------------------------------------------------ Field Number: 1) Status, V = Navigation receiver warning 2) Cross Track error - nautical miles 3) Direction to Steer, Left or Right 4) FROM Waypoint ID 5) TO Waypoint ID 6) Destination Waypoint Latitude 7) N or S 8) Destination Waypoint Longitude 9) E or W 10) Range to destination in nautical miles 11) Bearing to destination in degrees True 12) Destination closing velocity in knots 13) Arrival Status, A = Arrival Circle Entered 14) Checksum */ exports.TYPE = 'nav-info-waypoint'; exports.ID = 'RMB'; exports.decode = function(fields) { return { sentence: exports.ID, type: exports.TYPE, status: fields[1] == 'V' ? 'warning' : 'valid', crossTrackError: +fields[2], steer: fields[3], fromWaypoint: fields[4], toWaypoint: fields[5], lat: fields[6], latPole: fields[7], lon: fields[8], lonPole: fields[9], range: +fields[10], bearing: +fields[11], vmg: +fields[12], arrived: fields[13] == 'A' ? true : false }; }