236056.00    21.081   -94.395   3   !   20U1   850mb
        238995.0     21.214   -94.396   1   !   Interpolated
        241934.0     21.346   -94.346   1   !   Interpolated
        244873.0     21.478   -94.322   1   !   Interpolated
        247812.00    21.611   -94.297   6   !   20I    550mb
        250191.00    21.714   -94.375   6   !   20I    550mb
        252730.00    21.730   -94.407   6   !   20I    550mb
        255779.00    21.818   -94.351   6   !   20I    550mb
        257443.00    21.906   -94.401   3   !   20U2   850mb
        264127.00    22.078   -94.459   3   !   20U2   850mb
         -9999.90      0.00      0.00   0

          BRET99_550MB.CTR

      Zero time is 0000Z on the morning of AUG 18 1999
         8   18 1999   ! Zero time in integer month, day and year.
      Center file used to generate BRET99_850MB.TRK, the global track
      used for the final post-season processing of the 20I flight.
      Created by Edrahn, Aug. 30, 2001.