GRB19990820 
18:27:30.302 
     13.1200000   2584.8957000
     15.6200000   3303.6456631
     18.1200000   4194.7914443
     20.6200000   4557.2914295
     23.1200000   4269.7914391
     25.6200000   3469.7914877
     28.1200000   3182.2915021
     30.6200000   2698.9581907
     33.1200000   2650.5206965
     35.6200000   2158.3332174
     38.1200000   2316.6665443
     40.6200000   1890.1040684
     43.1200000   1829.1665702
     45.6200000   1554.6874168
     48.1200000   1518.2290853
     50.6200000   1279.6874329
     53.1200000   1185.1561880
     55.6200000    978.3853644
     60.6200000    789.8437074
     65.6200000    656.9010079
     70.6200000    487.3697653
     75.6200000    407.0312278
     80.6200000    340.1041488
     85.6200000    267.7083195
     90.6200000    227.9947797
     95.6200000    187.8906152
    100.6200000    154.6006857
    108.1200000    124.0451325
    115.6200000     96.0069395
    123.1200000     80.1215238
    130.6200000     53.2986082
    138.1200000     57.2916639
    145.6200000     54.6006919
    153.1200000     39.2361091
    160.6200000     33.3984357
    170.6200000     28.0598947
    180.6200000     26.3020823
    190.6200000     15.0390617
    200.6200000     18.3593741
    215.6200000     13.8020826
    230.6200000     11.7187494
    245.6200000     11.1979163
    260.6200000     25.7812487
    265.6200000      6.1458331
    290.6200000      6.4778643
    310.6200000      5.9244789
    330.6200000      5.6640622
    350.6200000      7.4544267
    370.6200000      5.7942706
    390.6200000      4.7916665
    415.6200000      4.7135415
    440.6200000      4.1406248
    465.6200000      3.8020832
    490.6200000      2.6041665
    515.6200000      3.2291666
    540.6200000      3.0468749
    565.6200000      3.1510416
    590.6200000      2.6302082
    615.6200000      2.3697916
    640.6200000      1.3888888
    670.6200000      3.3420138
    700.6200000      3.3637151
    730.6200000      1.3454861