GRB19990818 
16:43:07.724 
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     18.1200000   1262.5000000
     20.6200000    912.5000000
     23.1200000    925.0000000
     25.6200000    587.5000000
     28.1200000    481.2500000
     30.6200000    325.0000000
     33.1200000    312.5000000
     35.6200000    231.2500000
     38.1200000    275.0000000
     40.6200000    187.5000000
     43.1200000    162.5000000
     45.6200000    118.7500000
     48.1200000    143.7500000
     50.6200000    106.2500000
     53.1200000     81.2500000
     55.6200000     84.3750000
     60.6200000     53.1250000
     65.6200000     21.8750000
     70.6200000     40.6250000
     75.6200000     34.3750000
     80.6200000     12.5000000
     85.6200000     25.0000000
     90.6200000     28.1250000
     95.6200000     12.5000000
    100.6200000     20.8333333
    108.1200000     10.4166667
    115.6200000      6.2500000
    123.1200000     10.4166667
    130.6200000      0.0000000
    138.1200000      2.0833333
    145.6200000      0.0000000
    153.1200000      0.0000000
    160.6200000      3.1250000
    170.6200000      3.1250000
    180.6200000      3.1250000
    190.6200000      0.0000000
    200.6200000      0.0000000
    215.6200000      4.1666667
    230.6200000      1.0416667
    245.6200000      1.0416667
    260.6200000     15.6250000
    265.6200000      1.8750000
    290.6200000      0.0000000
    310.6200000      2.3437500
    330.6200000      1.5625000
    350.6200000      0.7812500
    370.6200000      0.7812500
    390.6200000      1.2500000
    415.6200000      0.0000000
    440.6200000      1.2500000
    465.6200000      0.6250000
    490.6200000      0.6250000
    515.6200000      0.0000000
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    615.6200000      0.6250000
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    700.6200000      0.5208333
    730.6200000      0.5208333