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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>
18 Aug 1997 18:25:44 yearsecs  19851944
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.14  153.87  -44.72   92.55
    1.00  -59.75  168.87  -44.49  104.03
    2.00  -60.35  183.87  -44.70  115.22
    3.00  -60.96  198.87  -45.49  126.11
    4.00  -60.32  213.87  -45.70  137.02
    5.00  -61.27  228.87  -48.00  147.71
    6.00  -62.57  243.87  -51.03  158.11
    7.00  -63.45  258.87  -53.99  168.61
    8.00  -63.64  273.87  -56.65  179.67
    9.00  -63.23  288.87  -59.16  191.65
   10.00  -62.81  303.87  -62.10  204.36
   11.00  -62.60  318.87  -65.60  218.12
   12.00  -62.62  333.87  -69.36  234.04
   13.00  -62.87  348.87  -72.99  253.92
   14.00  -63.34    3.87  -75.87  280.44
   15.00  -64.05   18.87  -76.83  313.50
   16.00  -64.97   33.87  -75.48  344.91
   17.00  -66.13   48.87  -72.97    9.49
   18.00  -65.93   63.87  -68.63   25.77
   19.00  -65.34   78.87  -64.05   38.68
   20.00  -63.74   93.87  -58.72   49.14
   21.00  -62.60  108.87  -54.33   60.21
   22.00  -60.96  123.87  -49.95   70.69
   23.00  -59.83  138.87  -46.77   81.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.92  153.87  -55.74   98.02
    1.00  -70.87  168.87  -55.74  107.73
    2.00  -71.98  183.87  -56.36  117.02
    3.00  -72.80  198.87  -57.21  125.77
    4.00  -74.60  213.87  -59.53  133.79
    5.00  -75.91  228.87  -61.77  141.10
    6.00  -76.10  243.87  -63.32  148.67
    7.00  -75.45  258.87  -64.54  157.20
    8.00  -75.82  273.87  -67.04  164.38
    9.00  -76.01  288.87  -69.72  171.49
   10.00  -75.77  303.87  -72.47  179.44
   11.00  -75.29  318.87  -75.44  188.53
   12.00  -74.82  333.87  -78.75  198.89
   13.00  -74.50  348.87  -82.40  211.39
   14.00  -74.14    3.87  -86.11  235.51
   15.00  -73.41   18.87  -87.26  324.14
   16.00  -73.07   33.87  -83.76   14.11
   17.00  -71.81   48.87  -78.62   27.29
   18.00  -71.03   63.87  -73.76   38.77
   19.00  -71.36   78.87  -70.06   51.53
   20.00  -71.18   93.87  -66.26   61.62
   21.00  -70.03  108.87  -61.97   69.68
   22.00  -70.18  123.87  -59.48   79.57
   23.00  -69.29  138.87  -56.55   88.15
</PRE>


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