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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>
31 May 1997 14:13:53 yearsecs  13011233
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.18  224.79  -49.39  144.17
    1.00  -63.49  239.79  -51.36  154.71
    2.00  -64.13  254.79  -53.99  165.15
    3.00  -64.76  269.79  -56.95  175.62
    4.00  -64.50  284.79  -59.47  187.11
    5.00  -65.75  299.79  -63.79  197.11
    6.00  -66.06  314.79  -67.67  208.95
    7.00  -65.91  329.79  -71.34  223.63
    8.00  -66.37  344.79  -75.41  241.04
    9.00  -66.08  359.80  -78.16  267.66
   10.00  -65.66   14.79  -78.87  303.54
   11.00  -65.47   29.79  -76.93  337.93
   12.00  -65.49   44.79  -73.35    2.83
   13.00  -65.75   59.79  -69.53   21.22
   14.00  -66.22   74.79  -66.05   36.65
   15.00  -66.92   89.79  -63.07   50.68
   16.00  -67.84  104.79  -60.64   63.64
   17.00  -68.95  119.79  -58.91   75.51
   18.00  -68.94  134.79  -56.69   85.25
   19.00  -68.27  149.79  -54.42   94.39
   20.00  -66.99  164.79  -52.04  103.57
   21.00  -65.91  179.79  -50.35  113.28
   22.00  -64.78  194.79  -49.15  123.28
   23.00  -63.66  209.79  -48.65  133.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.43  224.79  -56.22  141.64
    1.00  -71.63  239.79  -58.80  150.10
    2.00  -72.66  254.79  -61.57  158.16
    3.00  -74.30  269.79  -65.16  164.69
    4.00  -77.07  284.79  -69.76  167.13
    5.00  -78.00  299.79  -72.98  170.99
    6.00  -77.31  314.79  -75.55  179.13
    7.00  -76.78  329.79  -78.58  187.12
    8.00  -77.24  344.79  -82.12  188.38
    9.00  -77.27  359.80  -85.60  185.66
   10.00  -77.41   14.79  -88.22  134.84
   11.00  -77.23   29.79  -86.15   64.97
   12.00  -76.94   44.79  -82.42   57.60
   13.00  -76.77   59.79  -78.59   60.60
   14.00  -76.92   74.79  -75.07   67.13
   15.00  -76.52   89.79  -71.52   72.27
   16.00  -76.43  104.79  -68.51   79.00
   17.00  -75.00  119.79  -64.74   83.74
   18.00  -74.86  134.79  -62.56   91.37
   19.00  -75.46  149.79  -61.63   99.82
   20.00  -74.76  164.79  -59.88  107.24
   21.00  -72.64  179.79  -57.13  114.79
   22.00  -71.62  194.79  -55.96  123.42
   23.00  -70.65  209.79  -55.44  132.46
</PRE>


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