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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
16 Aug 1997 20:29:44 yearsecs  19686584
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.32  121.97  -52.75   71.26
    1.00  -65.01  136.97  -52.40   83.54
    2.00  -66.48  151.97  -52.41   94.76
    3.00  -68.58  166.97  -53.53  105.63
    4.00  -68.59  181.97  -52.99  115.23
    5.00  -69.60  196.97  -53.97  124.73
    6.00  -69.87  211.97  -54.79  133.95
    7.00  -70.13  226.97  -56.13  143.11
    8.00  -70.88  241.97  -58.37  151.94
    9.00  -71.20  256.97  -60.59  160.93
   10.00  -71.19  271.97  -62.91  170.27
   11.00  -70.23  286.97  -64.86  181.25
   12.00  -69.81  301.97  -67.72  192.15
   13.00  -69.68  316.97  -71.20  203.62
   14.00  -69.79  331.97  -75.08  216.53
   15.00  -70.15  346.97  -79.13  232.79
   16.00  -70.67    1.97  -82.96  258.50
   17.00  -70.68   16.97  -84.39  309.10
   18.00  -70.42   31.97  -81.89  354.49
   19.00  -68.74   46.97  -76.32   13.62
   20.00  -68.31   61.97  -71.69   29.25
   21.00  -66.67   76.97  -65.97   39.45
   22.00  -64.80   91.97  -60.32   49.08
   23.00  -63.60  106.97  -55.78   59.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.32  121.97  -57.91   76.24
    1.00  -70.01  136.97  -57.51   87.59
    2.00  -71.48  151.97  -57.47   97.88
    3.00  -76.53  166.97  -61.55  109.39
    4.00  -79.01  181.97  -63.56  117.69
    5.00  -79.53  196.97  -64.02  124.44
    6.00  -79.02  211.97  -63.85  131.23
    7.00  -78.69  226.97  -64.29  138.21
    8.00  -78.94  241.97  -65.70  144.70
    9.00  -78.74  256.97  -67.08  151.54
   10.00  -78.94  271.97  -69.14  157.51
   11.00  -78.74  286.97  -71.23  163.92
   12.00  -78.80  301.97  -73.79  169.17
   13.00  -78.20  316.97  -76.36  176.27
   14.00  -77.76  331.97  -79.34  182.54
   15.00  -77.00  346.97  -82.61  190.57
   16.00  -76.65    1.97  -86.23  193.52
   17.00  -75.68   16.97  -89.73    7.88
   18.00  -75.42   31.97  -85.57   36.72
   19.00  -73.74   46.97  -80.56   35.42
   20.00  -73.31   61.97  -76.10   45.39
   21.00  -71.67   76.97  -70.81   50.95
   22.00  -69.80   91.97  -65.41   57.58
   23.00  -68.60  106.97  -60.95   66.29
</PRE>


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