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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>
30 May 1997 17:48:57 yearsecs  12937737
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.07  162.24  -50.25  101.08
    1.00  -64.32  177.24  -48.82  111.21
    2.00  -65.43  192.24  -49.77  121.59
    3.00  -66.54  207.24  -51.30  131.50
    4.00  -66.36  222.24  -52.16  141.46
    5.00  -67.29  237.24  -54.55  151.06
    6.00  -67.40  252.24  -56.56  161.08
    7.00  -67.24  267.24  -58.71  171.52
    8.00  -67.90  282.24  -61.96  181.27
    9.00  -67.55  297.24  -64.77  192.54
   10.00  -67.16  312.24  -67.98  204.87
   11.00  -66.97  327.24  -71.60  218.82
   12.00  -67.00  342.24  -75.37  236.01
   13.00  -67.26  357.24  -78.88  259.79
   14.00  -67.74   12.24  -81.15  295.40
   15.00  -68.45   27.24  -80.77  337.29
   16.00  -69.38   42.24  -78.25    9.07
   17.00  -70.33   57.24  -74.97   30.38
   18.00  -70.08   72.24  -70.63   43.09
   19.00  -69.56   87.24  -66.31   53.62
   20.00  -68.53  102.24  -61.87   62.83
   21.00  -67.53  117.24  -57.91   72.12
   22.00  -66.59  132.24  -54.62   81.52
   23.00  -65.78  147.24  -52.10   91.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.72  162.24  -57.97  104.68
    1.00  -73.70  177.24  -58.27  113.64
    2.00  -74.66  192.24  -59.02  122.07
    3.00  -78.39  207.24  -63.06  129.28
    4.00  -80.43  222.24  -65.71  134.88
    5.00  -80.77  237.24  -66.98  140.57
    6.00  -80.25  252.24  -67.83  147.19
    7.00  -79.83  267.24  -69.18  153.79
    8.00  -80.27  282.24  -71.47  158.13
    9.00  -80.08  297.24  -73.61  163.38
   10.00  -80.35  312.24  -76.17  165.92
   11.00  -80.15  327.24  -78.73  168.63
   12.00  -80.11  342.24  -81.39  167.26
   13.00  -79.80  357.24  -84.01  160.47
   14.00  -79.72   12.24  -85.69  134.36
   15.00  -79.38   27.24  -85.33   95.74
   16.00  -79.51   42.24  -82.71   80.12
   17.00  -79.16   57.24  -79.70   74.19
   18.00  -79.38   72.24  -76.64   77.00
   19.00  -78.96   87.24  -73.53   79.15
   20.00  -77.99  102.24  -70.17   81.65
   21.00  -76.19  117.24  -66.21   84.47
   22.00  -74.49  132.24  -62.51   89.56
   23.00  -73.16  147.24  -59.57   96.43
</PRE>


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