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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>
25 Jun 1997 00:29:36 yearsecs  15121776
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.76   61.47  -64.26   16.14
    1.00  -63.02   76.47  -61.98   32.65
    2.00  -63.83   91.47  -59.36   47.22
    3.00  -68.14  106.47  -60.59   65.28
    4.00  -67.73  121.47  -57.40   75.27
    5.00  -68.35  136.47  -55.88   85.83
    6.00  -68.22  151.47  -54.22   95.45
    7.00  -68.56  166.47  -53.53  105.30
    8.00  -69.63  181.47  -54.05  115.12
    9.00  -70.35  196.47  -54.72  124.42
   10.00  -69.92  211.47  -54.81  133.63
   11.00  -69.57  226.47  -55.56  143.04
   12.00  -69.49  241.47  -57.05  152.56
   13.00  -69.65  256.47  -59.16  162.07
   14.00  -70.05  271.47  -61.85  171.37
   15.00  -70.68  286.47  -65.14  180.22
   16.00  -71.04  301.47  -68.59  189.44
   17.00  -70.87  316.47  -71.98  200.40
   18.00  -71.51  331.47  -76.20  210.64
   19.00  -70.84  346.47  -79.55  229.29
   20.00  -70.00    1.47  -82.25  260.24
   21.00  -69.21   16.47  -82.78  307.27
   22.00  -65.76   31.47  -76.92  341.63
   23.00  -63.50   46.47  -70.52    1.66
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.76   61.47  -70.19   25.10
    1.00  -68.02   76.47  -67.50   41.77
    2.00  -68.83   91.47  -64.59   55.39
    3.00  -75.47  106.47  -67.42   77.77
    4.00  -77.71  121.47  -66.92   89.17
    5.00  -78.08  136.47  -65.44   96.40
    6.00  -76.87  151.47  -62.88  101.97
    7.00  -75.81  166.47  -60.85  108.73
    8.00  -76.16  181.47  -60.66  116.62
    9.00  -76.34  196.47  -60.75  124.32
   10.00  -76.14  211.47  -60.94  132.03
   11.00  -76.29  226.47  -61.95  139.62
   12.00  -76.68  241.47  -63.60  146.88
   13.00  -76.52  256.47  -65.15  154.55
   14.00  -76.36  271.47  -67.09  162.23
   15.00  -76.20  286.47  -69.43  169.89
   16.00  -76.04  301.47  -72.15  177.52
   17.00  -75.87  316.47  -75.20  185.26
   18.00  -77.20  331.47  -79.09  185.45
   19.00  -77.53  346.47  -82.53  186.24
   20.00  -76.53    1.47  -86.12  195.67
   21.00  -74.28   16.47  -88.35  309.01
   22.00  -70.76   31.47  -82.34  354.86
   23.00  -68.50   46.47  -76.21   12.26
</PRE>


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