GRB19990421 
17:36:48.943 
    157.5000000      1.0416667
    187.5000000      5.2083333
    217.5000000      7.2916667
    247.5000000      4.1666667
    277.5000000      6.2500000
    307.5000000      5.7291667
    337.5000000      6.2500000
    367.5000000      2.0833333
    397.5000000      2.6041667
    427.5000000      2.6041667
    457.5000000      2.0833333
    487.5000000      2.0833333
    517.5000000      1.5625000
    547.5000000      1.5625000
    577.5000000      0.5208333
    607.5000000      1.0416667
    637.5000000      0.5208333
    667.5000000      1.3020833
    727.5000000      0.2604167
    787.5000000      1.0416667
    847.5000000      0.5208333
    907.5000000      0.5208333
    967.5000000      0.2604167
   1027.5000000      0.7812500
   1087.5000000      0.2478978
   1150.5300000      0.2473876
   1213.6900000      0.1648902
   1308.4500000      0.1649077
   1403.2000000      0.0000000
   1497.9500000      0.1649077
   1592.7000000      0.0000000
   1687.4500000      0.1648902
   1782.2100000      0.0000000
   1876.9600000      0.0000000
   1971.7100000      0.0000000
   2098.0500000      0.2473680
   2224.3800000      0.2473484
   2350.7200000      0.2473680
   2477.0500000      0.0824495
   2666.5600000      0.1649077
   2856.0600000      0.0000000
   3045.5700000      0.2473615
   3235.0700000      0.0824538
   3424.5700000      0.0824495
   3614.0800000      0.0618396
   3866.7500000      0.0000000
   4119.4200000      0.0000000
   4372.0900000      0.0000000
   4624.7700000      0.0000000
   4877.4400000      0.0000000
   5193.2800000      0.0000000
   5509.1200000      0.0989425
   5824.9600000      0.0494713
   6140.8000000      0.0494713
   6456.6400000      0.0000000
   6772.4800000      0.0494713
   7088.3200000      0.0494713
   7404.1600000      0.0989425
   7720.0000000      0.0494713
   8035.8400000      0.0000000
   8414.8500000      0.0000000
   8793.8500000      0.0412258
   9172.8600000      0.0412258