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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>
06 Oct 1997 18:37:00 yearsecs  24086220
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.11  149.02  -50.23   91.41
    1.00  -63.88  164.02  -48.94  101.85
    2.00  -64.75  179.02  -49.20  112.53
    3.00  -65.62  194.02  -49.98  122.79
    4.00  -65.40  209.02  -50.29  132.83
    5.00  -66.49  224.02  -52.44  142.60
    6.00  -66.70  239.02  -54.21  152.57
    7.00  -66.55  254.02  -56.06  162.92
    8.00  -67.23  269.02  -59.00  172.77
    9.00  -66.78  284.02  -61.33  183.92
   10.00  -66.36  299.02  -64.15  195.63
   11.00  -66.17  314.02  -67.58  208.09
   12.00  -66.21  329.02  -71.41  222.21
   13.00  -66.47  344.02  -75.32  239.72
   14.00  -66.95  359.02  -78.90  264.15
   15.00  -67.66   14.02  -81.09  300.49
   16.00  -68.59   29.02  -80.60  341.84
   17.00  -69.63   44.02  -78.02   12.48
   18.00  -69.50   59.02  -73.70   29.59
   19.00  -68.91   74.02  -69.04   41.68
   20.00  -67.78   89.02  -64.13   51.58
   21.00  -66.72  104.02  -59.66   61.48
   22.00  -65.67  119.02  -55.70   71.35
   23.00  -64.70  134.02  -52.45   81.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.13  149.02  -56.36   95.15
    1.00  -71.42  164.02  -56.55  105.04
    2.00  -72.58  179.02  -57.08  114.33
    3.00  -75.62  194.02  -60.01  123.05
    4.00  -78.22  209.02  -62.94  130.16
    5.00  -78.93  224.02  -64.34  136.71
    6.00  -78.35  239.02  -64.90  144.02
    7.00  -77.83  254.02  -65.97  151.57
    8.00  -78.55  269.02  -68.44  157.07
    9.00  -78.28  284.02  -70.46  163.93
   10.00  -78.49  299.02  -73.11  169.17
   11.00  -78.28  314.02  -75.81  175.04
   12.00  -78.11  329.02  -78.79  179.91
   13.00  -77.78  344.02  -81.99  184.16
   14.00  -77.71  359.02  -85.31  180.48
   15.00  -77.22   14.02  -88.37  142.76
   16.00  -77.14   29.02  -86.36   64.37
   17.00  -76.10   44.02  -82.45   50.37
   18.00  -76.03   59.02  -78.48   56.33
   19.00  -75.82   74.02  -74.63   62.52
   20.00  -75.05   89.02  -70.62   67.72
   21.00  -73.00  104.02  -65.73   71.56
   22.00  -71.58  119.02  -61.63   78.30
   23.00  -70.41  134.02  -58.27   86.14
</PRE>


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