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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>
31 Oct 1997 11:52:44 yearsecs  26221964
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.93  246.53  -50.79  160.40
    1.00  -63.08  261.53  -54.07  170.85
    2.00  -63.92  276.53  -57.38  181.43
    3.00  -67.45  291.53  -63.44  188.50
    4.00  -67.07  306.53  -66.52  200.39
    5.00  -67.75  321.53  -70.80  211.73
    6.00  -67.66  336.53  -74.53  227.24
    7.00  -67.89  351.53  -78.30  247.55
    8.00  -68.64    6.53  -81.68  277.86
    9.00  -68.78   21.53  -81.95  322.61
   10.00  -68.51   36.53  -78.84  356.97
   11.00  -68.32   51.53  -74.62   18.09
   12.00  -68.36   66.53  -70.49   33.74
   13.00  -68.62   81.53  -66.81   47.23
   14.00  -69.10   96.53  -63.69   59.62
   15.00  -69.81  111.53  -61.25   71.14
   16.00  -70.57  126.53  -59.46   81.68
   17.00  -70.98  141.53  -57.96   91.24
   18.00  -71.01  156.53  -56.64  100.32
   19.00  -70.41  171.53  -55.16  109.19
   20.00  -69.53  186.53  -53.87  118.26
   21.00  -68.68  201.53  -53.17  127.62
   22.00  -65.55  216.53  -50.93  137.85
   23.00  -63.40  231.53  -50.30  148.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.93  246.53  -55.37  157.52
    1.00  -68.08  261.53  -58.53  166.83
    2.00  -68.92  276.53  -61.77  176.08
    3.00  -74.96  291.53  -69.47  175.22
    4.00  -76.98  306.53  -73.71  176.97
    5.00  -77.87  321.53  -77.17  179.13
    6.00  -77.20  336.53  -80.23  186.95
    7.00  -76.31  351.53  -83.63  197.62
    8.00  -76.69    6.53  -87.33  188.65
    9.00  -76.70   21.53  -88.27   71.80
   10.00  -76.73   36.53  -84.52   54.94
   11.00  -76.75   51.53  -80.66   57.74
   12.00  -77.07   66.53  -77.07   64.58
   13.00  -76.89   81.53  -73.54   69.83
   14.00  -76.82   96.53  -70.37   76.15
   15.00  -76.62  111.53  -67.50   82.57
   16.00  -76.63  126.53  -65.27   89.67
   17.00  -76.31  141.53  -63.22   96.51
   18.00  -77.16  156.53  -62.79  104.69
   19.00  -77.10  171.53  -61.92  111.98
   20.00  -75.98  186.53  -60.40  119.19
   21.00  -73.68  201.53  -58.15  127.20
   22.00  -70.55  216.53  -55.73  136.57
   23.00  -68.40  231.53  -54.95  146.77
</PRE>


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