Basic Variables
---------------

  1   ACARSP               float         windDir                  
  2   ACARSP               float         windSpeed                
  3   ACARSP               float         windDir                  
  4   ACARSP               float         windSpeed                

  5   ACARSP               float         temperature              
  6   ACARSP               float         temperature              

  7   ACARSP               float         relHumidity              
  8   ACARSP               float         relHumidity              
  9   ACARSP               float         relHumidity              
 10   ACARSP               float         relHumidity              
 13   ACARSP               float         relHumidity              

 47   ACARSP               float         altitude                 
 35   ACARSP               float         altitude                 
 11   ACARSP               float         trackLat                 
 19   ACARSP               float         trackLon                 

 12   ACARSP               int           obsTimeOfDay

 21   ACARSP               int           turbIndex

 22   ACARSP               int           rollQuality
 23   ACARSP               int           mixRatioQuality
 34   ACARSP               float         mixRatio

Station Identification
----------------------

 27   ACARSP               char   9      tailNumber                           
 25   ACARSP               int           profileType
 17   ACARSP               float         latitude
 18   ACARSP               float         longitude
 15   ACARSP               char   6      profileAirport
 28   ACARSP               int           nLevels
 31   ACARSP               char  13      flight
 29   ACARSP               char   1      notInUse                       (29 is FSL-only variable)
