airmarr data file format AM1:

Output format & sample data:
  YYYY/MM/DD HH:MM:SS TTT SS.SSSS DDD.D AAA.A BBBB.BB WWW.W HHH.H VVV.V DD.DDDDDD DDD.DDDDDD AAAA.A Q SS HHH.H PPP.P RRR.R XX.XXX YY.YYY ZZ.ZZZ PPP.PPP RRR.RRR YYY.YYY
  2016/06/01 00:04:59 AM1  6.6898 330.9  16.9 1015.24 173.8 162.2  -5.1 43.179678 -86.357547  183.7 1  9   0.9  -3.1  -1.8 -0.037  0.083  0.975  -0.331  -0.105  -0.190

  where YYYY/MM/DD = Date year/month/day
        HH:MM:SS   = Time hour/minute/second
        TTT        = Format ID tag, "AM1"
        SS.SSSS    = Wind speed, m/s
        DDD.D      = Wind direction true, degrees
        AAA.A      = Air temperature, C
        BBBB.BB    = Barometric pressure corrected to sea level, mbar
        WWW.W      = Wind angle relative to sensor, degrees
        HHH.H      = Magnetic heading, degrees
        VVV.V      = Magnetic variation east, degrees - earth variation from true north
        DD.DDDDDD  = Latitude North, degrees
        DDD.DDDDDD = Longitude East, degrees
        AAAA.A     = Altitude, m
        Q          = GPS quality: 0=invalid, 1 or 2=valid
        SS         = Number of satellites used
        HHH.H      = Horizontal dilution of precision (HDOP), m
        PPP.P      = Pitch, degrees
        RRR.R      = Roll, degrees
        XX.XXX     = X acceleration, g
        YY.YYY     = Y acceleration, g
        ZZ.ZZZ     = Z acceleration, g
        PPP.PPP    = Pitch rate of turn, deg/sec
        RRR.RRR    = Roll rate of turn, deg/sec
        YYY.YYY    = Yaw rate of turn, deg/sec

        Invalid values are all 9's

All times are UTC
Wind sensors & air temperature sensor are 2.3 m above water surface