dac    |  no instrument    |  no wmo   | year     |  month   |  day    |  long      |  lat   | no profile 
AO      851   |   7900053     |   2007     |  10   |  14    |  0.00      |  0.00   |    747   
 AO      851   |   7900050     |   2007     |  10   |  24    |  0.00      |  0.00   |   3104