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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 Jul 1997 15:20:50 yearsecs  18285650
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.21  209.74  -45.30  134.02
    1.00  -61.06  224.74  -47.37  144.77
    2.00  -61.89  239.74  -49.86  155.42
    3.00  -62.72  254.74  -52.70  166.03
    4.00  -62.48  269.74  -54.88  177.51
    5.00  -63.66  284.74  -58.72  187.97
    6.00  -65.23  299.74  -63.32  197.79
    7.00  -66.46  314.74  -68.01  208.21
    8.00  -67.13  329.74  -72.38  221.01
    9.00  -66.46  344.74  -75.49  240.76
   10.00  -65.57  359.75  -77.64  268.56
   11.00  -65.01   14.74  -78.14  303.69
   12.00  -64.70   29.74  -76.04  336.92
   13.00  -64.63   44.74  -72.35    1.20
   14.00  -64.80   59.74  -68.45   19.34
   15.00  -65.19   74.74  -64.93   34.70
   16.00  -65.81   89.74  -61.91   48.80
   17.00  -66.63  104.74  -59.42   61.91
   18.00  -66.32  119.74  -56.24   72.55
   19.00  -64.95  134.74  -52.61   81.94
   20.00  -63.14  149.74  -49.17   91.40
   21.00  -62.52  164.74  -47.52  101.88
   22.00  -61.33  179.74  -45.74  112.38
   23.00  -60.57  194.74  -44.99  123.14
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.49  209.74  -54.30  132.65
    1.00  -70.22  224.74  -56.02  141.70
    2.00  -71.14  239.74  -58.35  150.40
    3.00  -71.78  254.74  -60.79  159.00
    4.00  -73.46  269.74  -64.45  165.88
    5.00  -74.70  284.74  -68.01  172.13
    6.00  -74.77  299.74  -70.96  180.02
    7.00  -73.96  314.74  -73.71  190.68
    8.00  -74.31  329.74  -77.48  198.61
    9.00  -74.40  344.74  -81.29  208.63
   10.00  -74.22  359.75  -85.10  226.36
   11.00  -73.90   14.74  -87.92  293.55
   12.00  -73.66   29.74  -85.28   11.12
   13.00  -73.59   44.74  -81.09   32.39
   14.00  -73.53   59.74  -76.86   44.68
   15.00  -73.13   74.74  -72.58   53.67
   16.00  -73.20   89.74  -68.98   63.40
   17.00  -72.47  104.74  -65.10   71.03
   18.00  -72.25  119.74  -62.16   79.65
   19.00  -72.29  134.74  -60.05   88.46
   20.00  -71.83  149.74  -58.01   96.81
   21.00  -70.45  164.74  -55.54  105.03
   22.00  -70.34  179.74  -54.80  114.20
   23.00  -69.16  194.74  -53.50  123.35
</PRE>


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