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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>
30 Apr 1997 22:07:11 yearsecs  10361231
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.78   96.14  -57.15   49.77
    1.00  -63.26  111.14  -54.60   62.77
    2.00  -63.82  126.14  -52.62   74.82
    3.00  -64.37  141.14  -51.27   86.03
    4.00  -64.09  156.14  -49.65   96.40
    5.00  -65.39  171.14  -50.11  107.29
    6.00  -65.74  186.14  -50.07  117.52
    7.00  -65.62  201.14  -50.15  127.54
    8.00  -66.32  216.14  -51.64  137.41
    9.00  -65.70  231.14  -52.40  147.69
   10.00  -65.28  246.14  -53.82  158.26
   11.00  -65.09  261.14  -55.82  169.05
   12.00  -65.13  276.14  -58.39  179.97
   13.00  -65.39  291.14  -61.56  190.92
   14.00  -65.87  306.14  -65.38  201.99
   15.00  -66.58  321.14  -69.72  213.72
   16.00  -67.51  336.14  -74.30  227.15
   17.00  -67.68  351.14  -78.03  247.48
   18.00  -67.53    6.14  -80.49  279.29
   19.00  -67.99   21.14  -81.11  320.65
   20.00  -66.67   36.14  -76.91  351.81
   21.00  -65.57   51.14  -71.71   11.16
   22.00  -64.40   66.14  -66.27   25.13
   23.00  -63.23   81.14  -61.10   37.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.54   96.14  -63.22   58.36
    1.00  -69.81  111.14  -61.32   70.87
    2.00  -70.88  126.14  -59.83   81.79
    3.00  -72.16  141.14  -59.19   92.05
    4.00  -75.27  156.14  -60.94  102.97
    5.00  -76.34  171.14  -61.17  111.41
    6.00  -75.49  186.14  -59.89  118.90
    7.00  -74.58  201.14  -59.04  126.90
    8.00  -75.63  216.14  -60.66  134.62
    9.00  -75.11  231.14  -61.19  142.82
   10.00  -74.99  246.14  -62.57  150.95
   11.00  -74.92  261.14  -64.40  159.10
   12.00  -74.63  276.14  -66.46  167.63
   13.00  -74.55  291.14  -69.09  175.89
   14.00  -74.86  306.14  -72.36  183.20
   15.00  -74.48  321.14  -75.51  192.73
   16.00  -74.40  336.14  -79.11  202.38
   17.00  -72.68  351.14  -82.00  226.25
   18.00  -72.53    6.14  -85.41  259.36
   19.00  -73.45   21.14  -87.01  337.87
   20.00  -72.83   36.14  -82.97   16.22
   21.00  -70.60   51.14  -76.94   24.91
   22.00  -69.76   66.14  -71.98   37.01
   23.00  -68.79   81.14  -67.08   47.26
</PRE>


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