43061.0   20.658   -94.640   1
            50289.0   20.679   -94.655   1
            56519.0   20.778   -94.495   1
            63256.0   21.081   -94.395   1
            -9999.9    0.000     0.000   0

                    BRET99_20U1.CTR                                       

           Zero time is 0000Z on the morning of AUG 20, 1999
               8    20  1999 ! Zero time in integer month, day and year
           Center file created at 18:50:48Z AUG  8, 2001
           Center file generated by Program BIGD