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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>
09 Aug 1997 01:30:52 yearsecs  19013452
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.93   48.66  -69.22    3.57
    1.00  -63.33   63.66  -65.64   20.81
    2.00  -63.93   78.66  -62.51   36.10
    3.00  -64.52   93.66  -59.62   50.08
    4.00  -64.24  108.66  -56.13   61.92
    5.00  -65.52  123.66  -54.77   74.55
    6.00  -65.85  138.66  -53.07   85.33
    7.00  -65.73  153.66  -51.51   95.50
    8.00  -66.24  168.66  -51.08  105.89
    9.00  -65.84  183.66  -50.20  115.87
   10.00  -65.42  198.66  -49.88  125.89
   11.00  -65.23  213.66  -50.42  135.99
   12.00  -65.26  228.66  -51.74  146.16
   13.00  -65.52  243.66  -53.71  156.39
   14.00  -66.00  258.66  -56.25  166.58
   15.00  -66.71  273.66  -59.34  176.57
   16.00  -67.64  288.66  -63.01  186.16
   17.00  -68.77  303.66  -67.26  195.27
   18.00  -68.78  318.66  -70.91  207.02
   19.00  -68.10  333.66  -74.17  222.90
   20.00  -66.80  348.66  -76.68  245.81
   21.00  -65.71    3.66  -78.32  276.70
   22.00  -64.55   18.66  -77.43  313.05
   23.00  -63.40   33.66  -73.66  342.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.94   48.66  -77.02   19.64
    1.00  -71.16   63.66  -73.93   39.02
    2.00  -72.21   78.66  -70.84   53.64
    3.00  -73.66   93.66  -68.48   66.83
    4.00  -76.53  108.66  -67.91   81.05
    5.00  -77.44  123.66  -66.39   89.67
    6.00  -76.97  138.66  -64.15   95.90
    7.00  -76.42  153.66  -62.26  102.64
    8.00  -77.40  168.66  -62.35  110.74
    9.00  -77.09  183.66  -61.57  117.96
   10.00  -77.21  198.66  -61.67  125.37
   11.00  -77.04  213.66  -61.93  132.82
   12.00  -76.70  228.66  -62.50  140.46
   13.00  -76.52  243.66  -63.68  148.13
   14.00  -76.69  258.66  -65.57  155.40
   15.00  -76.27  273.66  -67.36  163.47
   16.00  -76.15  288.66  -69.78  171.07
   17.00  -74.61  303.66  -71.67  182.56
   18.00  -74.37  318.66  -74.86  191.68
   19.00  -75.00  333.66  -78.78  197.89
   20.00  -74.28  348.66  -82.24  212.78
   21.00  -72.09    3.66  -84.55  254.88
   22.00  -71.11   18.66  -84.78  316.11
   23.00  -70.15   33.66  -81.22  357.00
</PRE>


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