airmaraver data file format AM1:

Output format:
YYYY/MM/DD HH:MM:SS TTT SS.SSSS MM.MMMM DDD.D AAA.A BBBB.BB WWW.W HHH.H VVV.V DD.DDDDDD DDD.DDDDDD AAAA.A Q SS HHH.H RRR.R PPP.P XX.XXX YY.YYY ZZ.ZZZ RRR.RRR PPP.PPP YYY.YYY

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

      Invalid values are all 9's

All times are UTC
Wind sensors & air temperature sensor are 2.3 m above water surface
Sensors are measured once every 5 seconds
Sensors are averaged over a 2 minute interval