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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 14:44:02 yearsecs  20702642
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.80  216.00  -51.12  137.44
    1.00  -65.42  231.00  -52.12  147.71
    2.00  -66.34  246.00  -54.76  157.53
    3.00  -67.26  261.00  -57.72  167.18
    4.00  -66.93  276.00  -59.95  177.99
    5.00  -67.67  291.00  -63.53  187.79
    6.00  -67.63  306.00  -66.86  199.03
    7.00  -67.67  321.00  -70.60  211.41
    8.00  -68.50  336.00  -75.09  224.44
    9.00  -68.52  351.00  -78.74  244.73
   10.00  -68.21    6.00  -81.18  277.45
   11.00  -68.02   21.00  -81.17  320.30
   12.00  -68.06   36.00  -78.48  354.77
   13.00  -68.32   51.00  -74.76   17.44
   14.00  -68.80   66.00  -71.08   34.34
   15.00  -69.51   81.00  -67.81   48.71
   16.00  -70.31   96.00  -64.96   61.39
   17.00  -70.84  111.00  -62.35   72.27
   18.00  -70.76  126.00  -59.72   81.56
   19.00  -70.22  141.00  -57.26   90.27
   20.00  -69.31  156.00  -54.97   98.99
   21.00  -68.42  171.00  -53.18  108.16
   22.00  -67.63  186.00  -51.97  117.67
   23.00  -66.77  201.00  -51.27  127.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -76.79  216.00  -61.80  134.07
    1.00  -77.42  231.00  -63.37  141.08
    2.00  -77.94  246.00  -65.19  147.70
    3.00  -81.27  261.00  -69.55  148.57
    4.00  -82.67  276.00  -72.12  149.63
    5.00  -82.96  291.00  -73.97  151.91
    6.00  -82.56  306.00  -75.74  155.58
    7.00  -82.10  321.00  -77.76  158.41
    8.00  -82.36  336.00  -79.77  154.98
    9.00  -82.35  351.00  -81.55  148.41
   10.00  -82.44    6.00  -82.65  135.30
   11.00  -82.44   21.00  -82.79  118.57
   12.00  -82.65   36.00  -81.65  105.09
   13.00  -82.60   51.00  -80.02   96.46
   14.00  -82.64   66.00  -77.99   93.14
   15.00  -82.61   81.00  -75.88   92.60
   16.00  -82.75   96.00  -73.90   94.78
   17.00  -82.53  111.00  -71.96   96.98
   18.00  -82.83  126.00  -70.59  101.51
   19.00  -82.64  141.00  -69.17  105.42
   20.00  -81.92  156.00  -67.50  109.28
   21.00  -80.54  171.00  -65.43  113.71
   22.00  -78.82  186.00  -63.31  119.47
   23.00  -77.58  201.00  -62.08  126.48
</PRE>


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