GRB19990818 
23:47:43.876 
     13.1200000   1700.0000000
     15.6200000    975.0000000
     18.1200000    868.7500000
     20.6200000    581.2500000
     23.1200000    331.2500000
     25.6200000    281.2500000
     28.1200000    231.2500000
     30.6200000    156.2500000
     33.1200000    118.7500000
     35.6200000    112.5000000
     38.1200000    118.7500000
     40.6200000     87.5000000
     43.1200000     75.0000000
     45.6200000     62.5000000
     48.1200000     50.0000000
     50.6200000     87.5000000
     53.1200000     87.5000000
     55.6200000     37.5000000
     60.6200000     34.3750000
     65.6200000     46.8750000
     70.6200000     37.5000000
     75.6200000     31.2500000
     80.6200000     40.6250000
     85.6200000      6.2500000
     90.6200000     15.6250000
     95.6200000     12.5000000
    100.6200000     10.4166667
    108.1200000     20.8333333
    115.6200000     12.5000000
    123.1200000     25.0000000
    130.6200000     10.4166667
    138.1200000      8.3333333
    145.6200000     20.8333333
    153.1200000      6.2500000
    160.6200000     17.1875000
    170.6200000      0.0000000
    180.6200000      9.3750000
    190.6200000      7.8125000
    200.6200000      8.3333333
    215.6200000      3.1250000
    230.6200000      3.1250000
    245.6200000      4.1666667
    260.6200000     12.5000000
    265.6200000      3.1250000
    290.6200000      3.1250000
    310.6200000      2.3437500
    330.6200000      2.3437500
    350.6200000      3.1250000
    370.6200000      4.6875000
    390.6200000      2.5000000
    415.6200000      3.1250000
    440.6200000      1.8750000
    465.6200000      1.2500000
    490.6200000      1.8750000
    515.6200000      1.2500000
    540.6200000      1.2500000
    565.6200000      2.5000000
    590.6200000      1.8750000
    615.6200000      0.0000000
    640.6200000      1.0416667
    670.6200000      1.0416667
    700.6200000      2.0833333
    730.6200000      1.0416667