1 Time stamp 
2 Year/Month/Day
3 HH:MM:mm
4 Lat
5 N/S
6 Lon
7 E/W
8 SOG
9 $HEHDT
10 Heading
11 Text*Air Temp
12 Relative Humidity
13 Pressure
14 True Winds Direction
15 Relative Winds Direction
16 True Wind Speed
17 Relative Wind Speed

1   jd_ref      1 Hz timestamp
2   lat         latitude deg, N positive
3   lon         longitude deg, E positive
4   sogm        gps speed over ground, m/s
5   lrg        heading, deg
6   imta        Air temp, C
7   imrh        RH humidity, g/kg
8   imPress     air pressure, mb
9   imdm        true wind direction, deg
10  rmdm        relative wind direction, deg
11  imum        true wind speed, m/s
12  rmum        relative wind speed, m/s
   not collected cogm        course over ground, de