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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>
13 Dec 1997 01:15:20 yearsecs  29898920
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.76   55.11  -70.83   16.15
    1.00  -65.35   70.11  -66.31   30.69
    2.00  -66.29   85.11  -63.53   45.73
    3.00  -67.22  100.11  -61.01   59.24
    4.00  -66.90  115.11  -57.66   69.89
    5.00  -67.65  130.11  -56.00   81.02
    6.00  -67.62  145.11  -54.19   90.92
    7.00  -67.65  160.11  -53.00  100.78
    8.00  -68.43  175.11  -53.02  110.81
    9.00  -68.46  190.11  -52.78  120.40
   10.00  -68.15  205.11  -52.78  129.93
   11.00  -67.96  220.11  -53.50  139.57
   12.00  -68.00  235.11  -54.96  149.29
   13.00  -68.26  250.11  -57.03  159.02
   14.00  -68.74  265.11  -59.67  168.60
   15.00  -69.45  280.11  -62.88  177.81
   16.00  -70.26  295.11  -66.57  186.63
   17.00  -70.82  310.11  -70.41  195.87
   18.00  -70.76  325.11  -74.06  207.50
   19.00  -70.19  340.11  -77.45  223.93
   20.00  -69.27  355.11  -80.31  249.44
   21.00  -68.37   10.11  -81.73  288.45
   22.00  -67.58   25.11  -80.15  330.50
   23.00  -66.71   40.11  -75.98  358.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.81   55.11  -76.00   29.87
    1.00  -71.87   70.11  -72.78   46.46
    2.00  -72.75   85.11  -69.70   59.38
    3.00  -77.56  100.11  -70.23   79.65
    4.00  -79.62  115.11  -69.39   90.54
    5.00  -79.96  130.11  -67.82   96.82
    6.00  -79.27  145.11  -65.74  101.75
    7.00  -78.69  160.11  -64.08  107.65
    8.00  -78.81  175.11  -63.53  114.51
    9.00  -78.70  190.11  -63.15  121.33
   10.00  -78.75  205.11  -63.37  128.20
   11.00  -78.63  220.11  -63.83  135.12
   12.00  -78.82  235.11  -65.01  141.78
   13.00  -78.59  250.11  -66.20  148.74
   14.00  -78.50  265.11  -67.89  155.48
   15.00  -78.26  280.11  -69.83  162.37
   16.00  -78.30  295.11  -72.32  168.29
   17.00  -78.05  310.11  -74.95  174.62
   18.00  -78.73  325.11  -78.13  175.91
   19.00  -78.61  340.11  -81.16  178.10
   20.00  -77.67  355.11  -84.47  183.44
   21.00  -75.75   10.11  -88.38  213.07
   22.00  -73.39   25.11  -86.19  354.87
   23.00  -71.76   40.11  -81.03   15.90
</PRE>


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