GRB20020731 
13:57:11.739 
     13.1200000    231.2500000
     15.6200000    256.2500000
     18.1200000    162.5000000
     20.6200000    125.0000000
     23.1200000    106.2500000
     25.6200000    100.0000000
     28.1200000     87.5000000
     30.6200000     62.5000000
     33.1200000     75.0000000
     35.6200000     87.5000000
     38.1200000     68.7500000
     40.6200000     75.0000000
     43.1200000     62.5000000
     45.6200000     81.2500000
     48.1200000    112.5000000
     50.6200000     37.5000000
     53.1200000     43.7500000
     55.6200000     31.2500000
     60.6200000     25.0000000
     65.6200000     37.5000000
     70.6200000     34.3750000
     75.6200000     15.6250000
     80.6200000     31.2500000
     85.6200000     25.0000000
     90.6200000     15.6250000
     95.6200000     18.7500000
    100.6200000     16.6666667
    108.1200000     12.5000000
    115.6200000     18.7500000
    123.1200000      8.3333333
    130.6200000      8.3333333
    138.1200000     10.4166667
    145.6200000     12.5000000
    153.1200000      8.3333333
    160.6200000      7.8125000
    170.6200000      4.6875000
    180.6200000      3.1250000
    190.6200000      4.6875000
    200.6200000      4.1666667
    215.6200000      7.2916667
    230.6200000      1.0416667
    245.6200000      2.0833333
    260.6200000     15.6250000
    265.6200000      3.7500000
    290.6200000      3.1250000
    310.6200000      1.5625000
    330.6200000      1.5625000
    350.6200000      4.6875000
    370.6200000      0.7812500
    390.6200000      2.5000000
    415.6200000      0.0000000
    440.6200000      0.6250000
    465.6200000      0.6250000
    490.6200000      0.0000000
    515.6200000      0.6250000
    540.6200000      0.6250000
    565.6200000      0.0000000
    590.6200000      0.6250000
    615.6200000      0.0000000
    640.6200000      1.0416667
    670.6200000      0.0000000
    700.6200000      0.5208333
    730.6200000      0.0000000