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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>
28 Aug 1997 13:03:02 yearsecs  20696582
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.28  239.03  -51.99  153.79
    1.00  -63.96  254.03  -53.72  164.72
    2.00  -64.87  269.03  -56.91  174.97
    3.00  -65.79  284.03  -60.46  185.10
    4.00  -65.57  299.03  -63.46  196.76
    5.00  -66.63  314.03  -67.98  207.30
    6.00  -66.82  329.03  -71.94  220.94
    7.00  -66.68  344.03  -75.51  239.24
    8.00  -67.35  359.03  -79.29  263.20
    9.00  -66.92   14.03  -80.28  300.98
   10.00  -66.51   29.03  -78.27  337.83
   11.00  -66.32   44.03  -74.50    3.44
   12.00  -66.35   59.03  -70.42   21.68
   13.00  -66.61   74.03  -66.67   36.74
   14.00  -67.09   89.03  -63.43   50.37
   15.00  -67.80  104.03  -60.76   63.03
   16.00  -68.73  119.03  -58.82   74.74
   17.00  -69.75  134.03  -57.61   85.51
   18.00  -69.60  149.03  -55.83   94.79
   19.00  -68.96  164.03  -54.08  103.91
   20.00  -67.89  179.03  -52.36  113.20
   21.00  -66.86  194.03  -51.20  122.84
   22.00  -65.83  209.03  -50.71  132.78
   23.00  -64.89  224.03  -50.94  143.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -77.53  239.03  -64.15  144.86
    1.00  -78.07  254.03  -66.18  151.24
    2.00  -78.59  269.03  -68.48  156.99
    3.00  -80.56  284.03  -71.90  157.90
    4.00  -82.12  299.03  -74.69  156.39
    5.00  -82.44  314.03  -76.80  156.68
    6.00  -81.92  329.03  -78.93  158.83
    7.00  -81.43  344.03  -81.22  157.77
    8.00  -81.81  359.03  -82.75  144.98
    9.00  -81.67   14.03  -83.68  127.13
   10.00  -81.88   29.03  -82.92  107.99
   11.00  -81.78   44.03  -81.36   94.99
   12.00  -81.81   59.03  -79.16   89.71
   13.00  -81.73   74.03  -76.80   88.30
   14.00  -81.86   89.03  -74.52   90.33
   15.00  -81.72  104.03  -72.35   92.87
   16.00  -81.90  119.03  -70.61   97.30
   17.00  -81.52  134.03  -68.78  101.12
   18.00  -81.74  149.03  -67.77  106.60
   19.00  -81.88  164.03  -67.06  112.11
   20.00  -81.50  179.03  -66.18  117.43
   21.00  -80.12  194.03  -64.61  123.16
   22.00  -78.97  209.03  -63.70  129.92
   23.00  -77.98  224.03  -63.42  137.34
</PRE>


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