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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>
01 Apr 1997 22:55:44 yearsecs   7858544
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.32   87.71  -62.93   47.95
    1.00  -66.35  102.71  -59.55   59.97
    2.00  -67.10  117.71  -57.39   71.96
    3.00  -67.85  132.71  -55.85   82.93
    4.00  -67.41  147.71  -53.73   92.49
    5.00  -68.00  162.71  -53.19  102.64
    6.00  -67.86  177.71  -52.36  112.34
    7.00  -68.16  192.71  -52.48  122.03
    8.00  -69.20  207.71  -53.92  131.44
    9.00  -69.64  222.71  -55.30  140.66
   10.00  -69.46  237.71  -56.59  150.18
   11.00  -69.17  252.71  -58.21  160.03
   12.00  -69.14  267.71  -60.44  169.92
   13.00  -69.35  282.71  -63.29  179.69
   14.00  -69.79  297.71  -66.75  189.22
   15.00  -70.47  312.71  -70.77  198.55
   16.00  -71.12  327.71  -74.97  208.65
   17.00  -71.24  342.71  -78.88  222.97
   18.00  -71.38  357.71  -82.67  245.07
   19.00  -70.73   12.71  -84.41  292.66
   20.00  -69.90   27.71  -82.26  342.33
   21.00  -69.10   42.71  -77.85    8.85
   22.00  -68.46   57.71  -73.03   25.33
   23.00  -67.54   72.71  -67.99   37.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.71   87.71  -68.18   58.60
    1.00  -72.82  102.71  -65.83   70.44
    2.00  -73.57  117.71  -63.75   80.39
    3.00  -78.82  132.71  -66.52   95.88
    4.00  -80.62  147.71  -66.81  104.57
    5.00  -81.01  162.71  -66.26  110.79
    6.00  -80.36  177.71  -65.05  116.37
    7.00  -79.40  192.71  -63.87  122.56
    8.00  -79.46  207.71  -64.16  129.18
    9.00  -79.45  222.71  -64.78  135.76
   10.00  -79.30  237.71  -65.67  142.43
   11.00  -79.28  252.71  -67.07  148.88
   12.00  -79.53  267.71  -69.02  154.58
   13.00  -79.35  282.71  -70.96  160.73
   14.00  -79.17  297.71  -73.24  166.53
   15.00  -78.99  312.71  -75.83  171.74
   16.00  -78.81  327.71  -78.67  175.91
   17.00  -78.62  342.71  -81.70  177.87
   18.00  -79.66  357.71  -84.17  161.20
   19.00  -79.92   12.71  -85.50  132.58
   20.00  -79.16   27.71  -85.43   92.95
   21.00  -77.42   42.71  -82.98   61.68
   22.00  -74.69   57.71  -78.14   48.67
   23.00  -72.99   72.71  -72.99   51.83
</PRE>


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