GRB19980428 
00:53:09.977 
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    247.5000000      5.2083333
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    307.5000000      5.7291667
    337.5000000      4.1666667
    367.5000000      3.1250000
    397.5000000      5.2083333
    427.5000000      1.5625000
    457.5000000      2.0833333
    487.5000000      2.0833333
    517.5000000      2.0833333
    547.5000000      0.5208333
    577.5000000      0.5208333
    607.5000000      1.5625000
    637.5000000      3.6458333
    667.5000000      0.7812500
    727.5000000      1.0416667
    787.5000000      1.0416667
    847.5000000      0.7812500
    907.5000000      1.5625000
    967.5000000      1.5625000
   1027.5000000      1.0416667
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   1150.5300000      0.9895503
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   1308.4500000      0.6596306
   1403.2000000      0.6596306
   1497.9500000      0.0000000
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   1782.2100000      0.3298153
   1876.9600000      0.3298153
   1971.7100000      0.1236742
   2098.0500000      0.2473680
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   2350.7200000      0.2473680
   2477.0500000      0.0824495
   2666.5600000      0.0824538
   2856.0600000      0.0000000
   3045.5700000      0.2473615
   3235.0700000      0.1649077
   3424.5700000      0.0000000
   3614.0800000      0.1236791
   3866.7500000      0.1855187
   4119.4200000      0.1236791
   4372.0900000      0.0618371
   4624.7700000      0.0000000
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   5193.2800000      0.1484138
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   5824.9600000      0.0000000
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   7088.3200000      0.0000000
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   8035.8400000      0.0412258
   8414.8500000      0.0000000
   8793.8500000      0.0412258
   9172.8600000      0.1236775