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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>
14 Sep 1997 00:57:16 yearsecs  22121836
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.96   55.90  -67.28   12.04
    1.00  -63.34   70.90  -63.77   27.94
    2.00  -63.95   85.90  -60.79   42.58
    3.00  -64.55  100.90  -58.05   56.09
    4.00  -64.27  115.90  -54.79   67.57
    5.00  -65.55  130.90  -53.73   79.72
    6.00  -65.88  145.90  -52.34   90.30
    7.00  -65.75  160.90  -51.03  100.45
    8.00  -66.46  175.90  -51.01  110.81
    9.00  -65.89  190.90  -50.22  120.72
   10.00  -65.44  205.90  -50.17  130.74
   11.00  -65.25  220.90  -50.99  140.88
   12.00  -65.28  235.90  -52.54  151.14
   13.00  -65.54  250.90  -54.70  161.45
   14.00  -66.02  265.90  -57.41  171.70
   15.00  -66.73  280.90  -60.68  181.73
   16.00  -67.66  295.90  -64.57  191.38
   17.00  -68.44  310.90  -68.72  201.40
   18.00  -68.31  325.90  -72.37  214.53
   19.00  -68.11  340.90  -76.00  231.34
   20.00  -66.82  355.90  -78.21  258.27
   21.00  -65.73   10.90  -78.91  293.82
   22.00  -64.58   25.90  -76.59  329.09
   23.00  -63.43   40.90  -71.92  353.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.62   55.90  -73.69   23.83
    1.00  -69.87   70.90  -70.78   41.40
    2.00  -70.93   85.90  -67.91   55.56
    3.00  -72.46  100.90  -65.88   68.67
    4.00  -75.50  115.90  -65.82   82.59
    5.00  -76.51  130.90  -64.61   91.58
    6.00  -75.66  145.90  -62.17   98.01
    7.00  -74.76  160.90  -60.11  105.15
    8.00  -75.75  175.90  -60.39  113.61
    9.00  -75.53  190.90  -59.90  121.41
   10.00  -75.76  205.90  -60.36  129.25
   11.00  -75.65  220.90  -60.96  137.10
   12.00  -75.37  235.90  -61.86  145.17
   13.00  -75.25  250.90  -63.35  153.23
   14.00  -75.49  265.90  -65.56  160.82
   15.00  -75.10  280.90  -67.64  169.33
   16.00  -75.03  295.90  -70.37  177.34
   17.00  -73.44  310.90  -72.49  189.86
   18.00  -73.31  325.90  -75.97  199.96
   19.00  -74.08  340.90  -80.15  207.50
   20.00  -73.42  355.90  -83.67  227.87
   21.00  -71.08   10.90  -84.66  284.89
   22.00  -69.97   25.90  -82.66  337.68
   23.00  -68.90   40.90  -78.12    5.45
</PRE>


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