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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>
21 Oct 1997 23:59:00 yearsecs  25401540
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.32   70.05  -66.29   30.58
    1.00  -65.51   85.05  -62.71   44.35
    2.00  -66.47  100.05  -60.25   58.09
    3.00  -67.44  115.05  -58.21   70.47
    4.00  -67.23  130.05  -55.58   80.60
    5.00  -68.11  145.05  -54.70   91.22
    6.00  -68.32  160.05  -53.68  101.06
    7.00  -69.04  175.05  -53.64  110.94
    8.00  -70.57  190.05  -54.89  120.53
    9.00  -71.55  205.05  -56.13  129.48
   10.00  -70.63  220.05  -56.05  138.68
   11.00  -69.88  235.05  -56.69  148.26
   12.00  -69.47  250.05  -58.11  158.07
   13.00  -69.37  265.05  -60.21  167.93
   14.00  -69.56  280.05  -62.97  177.62
   15.00  -70.05  295.05  -66.39  186.95
   16.00  -70.55  310.05  -70.19  196.42
   17.00  -70.54  325.05  -73.88  208.09
   18.00  -70.56  340.05  -77.72  222.53
   19.00  -69.78  355.05  -80.74  247.40
   20.00  -68.81   10.05  -82.19  287.53
   21.00  -67.89   25.05  -80.50  330.83
   22.00  -67.32   40.05  -76.66  359.77
   23.00  -66.46   55.05  -71.64   17.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -76.32   70.05  -75.87   62.65
    1.00  -77.40   85.05  -73.09   73.01
    2.00  -78.22  100.05  -70.72   81.39
    3.00  -82.17  115.05  -71.26   96.94
    4.00  -83.61  130.05  -70.84  104.43
    5.00  -84.06  145.05  -70.15  109.19
    6.00  -83.85  160.05  -69.18  113.00
    7.00  -83.62  175.05  -68.44  117.29
    8.00  -83.40  190.05  -68.02  121.98
    9.00  -83.16  205.05  -67.87  126.96
   10.00  -82.79  220.05  -67.93  132.23
   11.00  -82.62  235.05  -68.53  137.48
   12.00  -82.60  250.05  -69.58  142.39
   13.00  -82.29  265.05  -70.72  147.62
   14.00  -81.99  280.05  -72.20  152.62
   15.00  -81.70  295.05  -74.00  157.19
   16.00  -81.42  310.05  -76.08  160.96
   17.00  -81.13  325.05  -78.39  163.35
   18.00  -81.82  340.05  -80.51  156.92
   19.00  -81.91  355.05  -82.28  147.94
   20.00  -81.36   10.05  -83.91  133.48
   21.00  -80.11   25.05  -84.92  105.07
   22.00  -78.14   40.05  -83.54   68.98
   23.00  -77.04   55.05  -79.85   60.64
</PRE>


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