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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>
27 Jul 1997 21:10:08 yearsecs  17961008
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.55  111.40  -56.96   65.56
    1.00  -65.70  126.40  -54.53   76.67
    2.00  -66.61  141.40  -53.54   87.73
    3.00  -67.52  156.40  -53.12   98.27
    4.00  -67.25  171.40  -51.98  108.04
    5.00  -68.07  186.40  -52.40  117.98
    6.00  -68.20  201.40  -52.69  127.57
    7.00  -68.82  216.40  -54.04  136.96
    8.00  -70.23  231.40  -56.64  145.80
    9.00  -71.16  246.40  -59.15  154.46
   10.00  -70.59  261.40  -60.71  164.31
   11.00  -69.89  276.40  -62.58  174.77
   12.00  -69.53  291.40  -65.18  185.31
   13.00  -69.47  306.40  -68.47  195.99
   14.00  -69.70  321.40  -72.33  207.18
   15.00  -70.22  336.40  -76.53  219.74
   16.00  -70.74  351.40  -80.68  236.92
   17.00  -70.75    6.40  -83.79  270.61
   18.00  -70.80   21.40  -84.19  325.80
   19.00  -70.04   36.40  -80.44    1.85
   20.00  -69.10   51.40  -75.45   20.18
   21.00  -68.20   66.40  -70.37   33.22
   22.00  -67.58   81.40  -65.80   45.02
   23.00  -66.71   96.40  -61.32   55.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.26  111.40  -62.67   73.14
    1.00  -72.43  126.40  -61.31   83.78
    2.00  -73.25  141.40  -60.24   93.22
    3.00  -78.64  156.40  -64.26  105.94
    4.00  -80.51  171.40  -65.38  113.85
    5.00  -80.93  186.40  -65.48  120.12
    6.00  -80.32  201.40  -64.89  126.26
    7.00  -79.40  216.40  -64.41  133.03
    8.00  -79.51  231.40  -65.38  139.49
    9.00  -79.56  246.40  -66.67  145.82
   10.00  -79.42  261.40  -68.15  152.26
   11.00  -79.34  276.40  -70.04  158.37
   12.00  -79.54  291.40  -72.41  163.29
   13.00  -79.31  306.40  -74.81  168.74
   14.00  -79.08  321.40  -77.49  173.40
   15.00  -78.86  336.40  -80.41  176.46
   16.00  -78.64  351.40  -83.47  175.44
   17.00  -78.41    6.40  -86.35  159.75
   18.00  -79.43   21.40  -85.88  109.48
   19.00  -79.67   36.40  -83.71   85.71
   20.00  -78.87   51.40  -80.95   72.48
   21.00  -77.05   66.40  -77.09   64.43
   22.00  -74.23   81.40  -71.77   61.15
   23.00  -72.51   96.40  -66.90   65.98
</PRE>


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