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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
09 Feb 1997 21:26:12 yearsecs   3446772
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.63  115.81  -47.62   61.22
    1.00  -57.85  130.81  -45.63   73.94
    2.00  -58.03  145.81  -44.20   85.87
    3.00  -58.20  160.81  -43.30   97.46
    4.00  -58.34  175.81  -42.80  108.89
    5.00  -58.86  190.81  -43.22  120.18
    6.00  -60.55  205.81  -45.40  131.14
    7.00  -61.87  220.81  -47.77  141.71
    8.00  -61.11  235.81  -48.64  152.86
    9.00  -59.84  250.81  -49.44  164.73
   10.00  -59.50  265.81  -51.49  176.62
   11.00  -59.88  280.81  -54.51  188.39
   12.00  -60.35  295.81  -58.00  200.35
   13.00  -60.96  310.81  -62.06  212.73
   14.00  -61.73  325.81  -66.53  226.36
   15.00  -62.66  340.81  -71.04  242.68
   16.00  -63.76  355.81  -75.18  264.13
   17.00  -65.05   10.81  -78.16  294.19
   18.00  -65.40   25.81  -77.56  329.60
   19.00  -64.16   40.81  -72.82  354.88
   20.00  -62.64   55.81  -66.90   11.44
   21.00  -61.58   70.81  -61.63   25.14
   22.00  -59.79   85.81  -55.88   36.68
   23.00  -58.63  100.81  -51.42   48.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.27  115.81  -60.91   74.55
    1.00  -71.19  130.81  -59.47   84.97
    2.00  -72.05  145.81  -58.60   94.68
    3.00  -72.48  160.81  -57.83  103.72
    4.00  -73.21  175.81  -57.82  112.67
    5.00  -74.50  190.81  -58.86  121.29
    6.00  -74.78  205.81  -59.37  129.39
    7.00  -73.71  220.81  -59.06  137.94
    8.00  -73.66  235.81  -60.26  146.38
    9.00  -73.99  250.81  -62.23  154.52
   10.00  -73.41  265.81  -63.81  163.69
   11.00  -73.05  280.81  -66.00  172.91
   12.00  -72.88  295.81  -68.78  182.10
   13.00  -72.75  310.81  -71.99  191.65
   14.00  -72.83  325.81  -75.65  201.58
   15.00  -72.70  340.81  -79.36  214.45
   16.00  -73.14  355.81  -83.48  229.97
   17.00  -73.42   10.81  -87.01  271.10
   18.00  -73.04   25.81  -85.74  353.92
   19.00  -72.08   40.81  -81.10   18.67
   20.00  -71.76   55.81  -76.62   34.13
   21.00  -70.98   70.81  -71.83   44.37
   22.00  -71.13   85.81  -68.12   55.95
   23.00  -70.19  100.81  -63.79   64.50
</PRE>


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