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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 Jun 1997 10:25:12 yearsecs  15330312
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.76  276.42  -51.73  186.43
    1.00  -58.22  291.42  -55.07  198.66
    2.00  -58.68  306.42  -58.83  211.31
    3.00  -59.14  321.42  -62.95  225.11
    4.00  -59.12  336.42  -66.56  241.89
    5.00  -59.97  351.42  -70.56  261.83
    6.00  -61.61    6.42  -74.21  287.42
    7.00  -62.82   21.42  -75.16  318.85
    8.00  -62.97   36.42  -72.48  346.59
    9.00  -62.32   51.42  -67.70    5.98
   10.00  -61.90   66.42  -63.15   21.33
   11.00  -61.70   81.42  -59.22   35.23
   12.00  -61.73   96.42  -55.91   48.65
   13.00  -61.98  111.42  -53.18   61.63
   14.00  -62.46  126.42  -51.15   73.88
   15.00  -63.16  141.42  -49.98   85.44
   16.00  -64.08  156.42  -49.62   96.59
   17.00  -65.23  171.42  -49.94  107.44
   18.00  -65.39  186.42  -49.72  117.66
   19.00  -64.22  201.42  -48.78  127.80
   20.00  -62.58  216.42  -48.08  138.42
   21.00  -61.41  231.42  -48.41  149.52
   22.00  -59.66  246.42  -48.63  161.46
   23.00  -58.57  261.42  -49.88  173.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.86  276.42  -60.84  177.25
    1.00  -68.76  291.42  -64.54  186.51
    2.00  -69.70  306.42  -68.66  195.55
    3.00  -70.24  321.42  -72.74  205.86
    4.00  -71.45  336.42  -77.42  215.46
    5.00  -72.64  351.42  -82.04  226.87
    6.00  -73.25    6.42  -86.07  253.74
    7.00  -72.32   21.42  -85.82  331.36
    8.00  -72.58   36.42  -82.71   14.97
    9.00  -72.97   51.42  -78.78   35.29
   10.00  -72.55   66.42  -74.32   45.87
   11.00  -72.23   81.42  -70.16   55.58
   12.00  -72.03   96.42  -66.46   65.00
   13.00  -71.93  111.42  -63.31   74.19
   14.00  -71.95  126.42  -60.84   83.21
   15.00  -71.71  141.42  -58.70   91.80
   16.00  -72.02  156.42  -57.66  100.87
   17.00  -71.83  171.42  -56.60  109.63
   18.00  -71.39  186.42  -55.74  118.44
   19.00  -70.68  201.42  -55.15  127.40
   20.00  -70.16  216.42  -55.34  136.61
   21.00  -68.95  231.42  -55.45  146.44
   22.00  -68.91  246.42  -57.13  156.13
   23.00  -67.70  261.42  -58.18  167.08
</PRE>


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