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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
17 Feb 1997 02:48:45 yearsecs   4070925
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.88   33.83  -72.99  342.32
    1.00  -63.30   48.83  -69.63    4.33
    2.00  -63.89   63.83  -66.27   21.93
    3.00  -64.47   78.83  -63.09   37.15
    4.00  -64.19   93.83  -59.22   49.75
    5.00  -65.48  108.83  -57.39   63.53
    6.00  -65.81  123.83  -55.05   74.96
    7.00  -65.88  138.83  -53.08   85.47
    8.00  -66.39  153.83  -52.17   95.97
    9.00  -65.78  168.83  -50.61  105.85
   10.00  -65.37  183.83  -49.72  115.92
   11.00  -65.18  198.83  -49.64  126.01
   12.00  -65.21  213.83  -50.41  136.10
   13.00  -65.47  228.83  -51.95  146.20
   14.00  -65.96  243.83  -54.13  156.26
   15.00  -66.66  258.83  -56.87  166.18
   16.00  -67.59  273.83  -60.14  175.75
   17.00  -68.66  288.83  -63.92  184.85
   18.00  -68.40  303.83  -67.00  196.05
   19.00  -68.06  318.83  -70.38  208.69
   20.00  -66.76  333.83  -73.09  226.27
   21.00  -65.67  348.83  -75.67  248.70
   22.00  -64.51    3.83  -77.08  278.88
   23.00  -63.35   18.83  -76.04  313.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.37   33.83  -79.33  351.51
    1.00  -69.60   48.83  -76.65   18.70
    2.00  -70.64   63.83  -73.42   37.52
    3.00  -72.06   78.83  -70.67   53.35
    4.00  -75.14   93.83  -69.64   70.50
    5.00  -75.76  108.83  -67.24   79.54
    6.00  -75.45  123.83  -64.56   86.52
    7.00  -74.82  138.83  -62.06   93.45
    8.00  -76.09  153.83  -61.92  102.44
    9.00  -75.84  168.83  -60.76  109.97
   10.00  -76.05  183.83  -60.50  117.81
   11.00  -75.94  198.83  -60.38  125.55
   12.00  -75.64  213.83  -60.55  133.42
   13.00  -75.51  228.83  -61.38  141.34
   14.00  -75.75  243.83  -63.00  148.99
   15.00  -75.36  258.83  -64.46  157.30
   16.00  -75.27  273.83  -66.59  165.32
   17.00  -73.66  288.83  -67.98  176.45
   18.00  -73.40  303.83  -70.88  185.72
   19.00  -74.05  318.83  -74.72  192.83
   20.00  -73.25  333.83  -77.91  205.99
   21.00  -70.87  348.83  -80.15  232.46
   22.00  -69.77    3.83  -82.44  267.17
   23.00  -68.67   18.83  -82.07  314.51
</PRE>


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