PP = pressure (hPa)

DD, FF = wind: direction (degree) and speed (m/s)

TT = temperature (degrees Celcius)

...
aircraft=EU0850
obstime=2011-05-30 10:32:00
lon=13.11000
lat=41.87000
flight_level=9250
phase_of_flight=ASC
DD=320
FF=15.4
TT=-41.1
aircraft=GPEIR4BA
obstime=2011-05-30 10:32:17
lon=2.75000
lat=51.35000
flight_level=6980
DD=207
FF=25.7
TT=-24.9
PP=41180
aircraft=CTKIR5BA
obstime=2011-05-30 10:32:26
lon=140.30000
lat=35.87000
flight_level=1737
DD=18
FF=18.5
TT=7.1
PP=82120
aircraft=VRCL3RBA
obstime=2011-05-30 10:32:48
lon=-78.66000
lat=41.84000
flight_level=11278
phase_of_flight=LVR
DD=254
FF=14.4
TT=-52.9
PP=21660
...