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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>
11 Jul 1997 14:20:26 yearsecs  16554026
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.57  225.15  -49.80  144.31
    1.00  -63.63  240.15  -51.53  154.91
    2.00  -64.38  255.15  -54.27  165.25
    3.00  -65.12  270.15  -57.33  175.57
    4.00  -64.88  285.15  -59.88  186.97
    5.00  -66.05  300.15  -64.14  196.96
    6.00  -66.32  315.15  -67.99  208.82
    7.00  -66.18  330.15  -71.67  223.46
    8.00  -66.60  345.15  -75.70  241.02
    9.00  -66.35    0.15  -78.49  267.87
   10.00  -65.93   15.15  -79.16  304.36
   11.00  -65.74   30.15  -77.17  339.03
   12.00  -65.78   45.15  -73.58    3.89
   13.00  -66.04   60.15  -69.76   22.20
   14.00  -66.52   75.15  -66.28   37.56
   15.00  -67.23   90.15  -63.29   51.50
   16.00  -68.16  105.15  -60.88   64.36
   17.00  -69.23  120.15  -59.13   76.08
   18.00  -69.17  135.15  -56.87   85.69
   19.00  -68.53  150.15  -54.65   94.80
   20.00  -67.32  165.15  -52.35  103.95
   21.00  -66.25  180.15  -50.68  113.60
   22.00  -65.16  195.15  -49.54  123.54
   23.00  -64.07  210.15  -49.07  133.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.65  225.15  -54.57  142.57
    1.00  -69.83  240.15  -57.20  151.50
    2.00  -70.87  255.15  -60.04  160.12
    3.00  -73.27  270.15  -64.37  166.38
    4.00  -76.13  285.15  -69.15  169.41
    5.00  -76.92  300.15  -72.43  174.39
    6.00  -76.05  315.15  -75.01  183.96
    7.00  -75.18  330.15  -78.02  195.03
    8.00  -75.73  345.15  -81.90  199.87
    9.00  -75.92    0.15  -85.76  204.90
   10.00  -76.21   15.15  -89.48  153.48
   11.00  -76.07   30.15  -86.19   45.66
   12.00  -75.93   45.15  -82.10   49.39
   13.00  -75.78   60.15  -78.07   55.54
   14.00  -75.97   75.15  -74.45   63.62
   15.00  -75.61   90.15  -70.79   69.86
   16.00  -75.65  105.15  -67.81   77.48
   17.00  -74.44  120.15  -64.17   83.06
   18.00  -74.46  135.15  -62.13   91.09
   19.00  -74.89  150.15  -61.03   99.50
   20.00  -74.04  165.15  -59.13  107.05
   21.00  -71.73  180.15  -56.20  114.78
   22.00  -70.33  195.15  -54.68  123.62
   23.00  -69.07  210.15  -53.91  132.98
</PRE>


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