GRB20020731 
00:27:15.905 
    157.5000000      0.5208333
    187.5000000     10.9375000
    217.5000000     11.9791667
    247.5000000      9.8958333
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    397.5000000      4.6875000
    427.5000000      2.0833333
    457.5000000      4.1666667
    487.5000000      2.6041667
    517.5000000      2.0833333
    547.5000000      1.5625000
    577.5000000      1.5625000
    607.5000000      1.5625000
    637.5000000      0.5208333
    667.5000000      1.0416667
    727.5000000      1.3020833
    787.5000000      0.5208333
    847.5000000      0.2604167
    907.5000000      0.0000000
    967.5000000      0.2604167
   1027.5000000      0.0000000
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   1150.5300000      0.0000000
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   1497.9500000      0.1649077
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   1971.7100000      0.1236742
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   2477.0500000      0.0824495
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   4372.0900000      0.0000000
   4624.7700000      0.0618396
   4877.4400000      0.0494713
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   5509.1200000      0.0989425
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   7404.1600000      0.0000000
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   8414.8500000      0.0412269
   8793.8500000      0.0000000
   9172.8600000      0.0412258