GRB19991228 
00:42:52.087 
    157.5000000      1.4322916
    187.5000000     75.3255173
    217.5000000     71.4192675
    247.5000000     54.2317683
    277.5000000     45.9418381
    307.5000000     34.0277762
    337.5000000     32.5086791
    367.5000000     24.9131933
    397.5000000     15.5598951
    427.5000000     15.3862840
    457.5000000     14.9522563
    487.5000000     10.2430551
    517.5000000      9.8958329
    547.5000000      8.6588538
    577.5000000      8.5069440
    607.5000000      8.3333330
    637.5000000      8.8107635
    667.5000000      5.5772567
    727.5000000      5.7074650
    787.5000000      5.1757810
    847.5000000      4.1992186
    907.5000000      4.6332463
    967.5000000      6.7708330
   1027.5000000      5.5881074
   1087.5000000      2.6649015
   1150.5300000      1.9997162
   1213.6900000      2.0817393
   1308.4500000      1.7177880
   1403.2000000      1.6353341
   1497.9500000      1.7109168
   1592.7000000      1.6078495
   1687.4500000      2.2397591
   1782.2100000      1.2711631
   1876.9600000      1.0650285
   1971.7100000      0.8760256
   2098.0500000      0.8194065
   2224.3800000      0.6853612
   2350.7200000      0.6132665
   2477.0500000      0.4706491
   2666.5600000      0.7283421
   2856.0600000      0.5015676
   3045.5700000      0.4466249
   3235.0700000      0.5050297
   3424.5700000      0.3263625
   3614.0800000      0.4406068
   3866.7500000      0.3942271
   4119.4200000      0.2318983
   4372.0900000      0.4225535
   4624.7700000      0.3581541
   4877.4400000      0.3133179
   5193.2800000      0.2679693
   5509.1200000      0.2370497
   5824.9600000      0.2556015
   6140.8000000      0.3071340
   6456.6400000      0.2020076
   6772.4800000      0.2349884
   7088.3200000      0.2411723
   7404.1600000      0.2391110
   7720.0000000      0.1958237
   8035.8400000      0.3006050
   8414.8500000      0.1941100
   8793.8500000      0.1700565
   9172.8600000      0.2387662