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Old Jun 20, 2013 | 7:33 am
  #22  
Himeno
 
Join Date: Jul 2007
Programs: QFF
Posts: 5,304
Originally Posted by imt24
Also, my understanding was 'X' meant international - such as LAX, BHX...
Older airfields (1930s) used to use the 2 letter abbreviation of their weather station. When they started needing more codes, they added another letter.
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