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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
01 Aug 1997 16:49:36 yearsecs  18377376
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.82  183.40  -49.18  115.54
    1.00  -64.37  198.40  -48.83  125.73
    2.00  -65.40  213.40  -50.56  135.77
    3.00  -66.43  228.40  -52.80  145.54
    4.00  -66.29  243.40  -54.38  155.77
    5.00  -67.32  258.40  -57.39  165.34
    6.00  -67.53  273.40  -60.01  175.51
    7.00  -67.44  288.40  -62.79  186.23
    8.00  -68.16  303.40  -66.69  196.14
    9.00  -67.86  318.40  -70.10  208.73
   10.00  -67.52  333.40  -73.63  224.02
   11.00  -67.15  348.40  -76.94  244.48
   12.00  -67.10    3.40  -79.72  273.47
   13.00  -67.28   18.40  -80.54  312.75
   14.00  -67.69   33.40  -78.69  348.98
   15.00  -68.33   48.40  -75.50   14.27
   16.00  -69.19   63.40  -72.18   32.94
   17.00  -70.10   78.40  -69.04   48.05
   18.00  -69.83   93.40  -65.11   58.66
   19.00  -69.01  108.40  -61.06   67.87
   20.00  -68.10  123.40  -57.46   76.96
   21.00  -67.16  138.40  -54.44   86.14
   22.00  -66.24  153.40  -52.05   95.59
   23.00  -65.42  168.40  -50.27  105.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.18  183.40  -57.59  116.97
    1.00  -74.26  198.40  -58.67  125.42
    2.00  -75.26  213.40  -60.16  133.31
    3.00  -78.42  228.40  -64.14  139.07
    4.00  -80.51  243.40  -67.24  143.32
    5.00  -80.99  258.40  -69.07  148.19
    6.00  -80.53  273.40  -70.46  154.47
    7.00  -80.14  288.40  -72.28  160.51
    8.00  -80.66  303.40  -74.83  162.87
    9.00  -80.49  318.40  -77.24  166.22
   10.00  -80.68  333.40  -79.78  165.39
   11.00  -80.43  348.40  -82.31  162.43
   12.00  -80.29    3.40  -84.45  148.77
   13.00  -79.94   18.40  -85.50  118.78
   14.00  -79.81   33.40  -84.11   90.07
   15.00  -79.37   48.40  -81.53   76.60
   16.00  -79.34   63.40  -78.43   75.55
   17.00  -78.65   78.40  -75.12   75.31
   18.00  -78.62   93.40  -72.19   80.09
   19.00  -78.18  108.40  -69.28   84.61
   20.00  -77.63  123.40  -66.59   89.87
   21.00  -75.93  138.40  -63.18   94.49
   22.00  -74.51  153.40  -60.39  100.92
   23.00  -73.45  168.40  -58.37  108.56
</PRE>


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