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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>
29 May 1997 19:42:10 yearsecs  12858130
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.28  130.66  -54.51   80.16
    1.00  -66.18  145.66  -52.67   90.33
    2.00  -66.96  160.66  -52.27  100.82
    3.00  -67.74  175.66  -52.30  110.97
    4.00  -67.31  190.66  -51.63  120.66
    5.00  -67.92  205.66  -52.57  130.31
    6.00  -67.77  220.66  -53.37  139.98
    7.00  -67.96  235.66  -54.98  149.67
    8.00  -68.82  250.66  -57.61  158.97
    9.00  -69.17  265.66  -60.13  168.54
   10.00  -68.94  280.66  -62.55  178.85
   11.00  -68.75  295.66  -65.44  189.52
   12.00  -68.78  310.66  -68.94  200.54
   13.00  -69.04  325.66  -72.89  212.55
   14.00  -69.52  340.66  -77.08  226.81
   15.00  -70.23  355.66  -81.26  246.66
   16.00  -70.94   10.66  -84.49  284.41
   17.00  -71.19   25.66  -83.98  341.40
   18.00  -71.29   40.66  -80.48   14.38
   19.00  -70.68   55.66  -75.73   29.96
   20.00  -69.84   70.66  -70.82   41.12
   21.00  -69.03   85.66  -66.18   51.33
   22.00  -68.35  100.66  -62.03   61.38
   23.00  -67.44  115.66  -58.10   70.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.05  130.66  -61.33   86.97
    1.00  -74.10  145.66  -60.65   96.37
    2.00  -74.86  160.66  -60.22  105.08
    3.00  -79.56  175.66  -64.28  115.11
    4.00  -81.29  190.66  -65.82  121.88
    5.00  -81.66  205.66  -66.35  127.65
    6.00  -81.10  220.66  -66.30  133.74
    7.00  -80.32  235.66  -66.45  140.46
    8.00  -80.42  250.66  -67.82  146.29
    9.00  -80.42  265.66  -69.43  151.97
   10.00  -80.24  280.66  -71.23  157.68
   11.00  -80.22  295.66  -73.43  162.47
   12.00  -80.39  310.66  -75.92  165.47
   13.00  -80.18  325.66  -78.46  168.40
   14.00  -80.01  340.66  -81.13  168.40
   15.00  -79.80  355.66  -83.76  162.09
   16.00  -79.66   10.66  -85.67  138.55
   17.00  -79.44   25.66  -85.47   99.46
   18.00  -80.28   40.66  -82.67   87.13
   19.00  -80.42   55.66  -79.96   82.14
   20.00  -79.66   70.66  -77.03   78.10
   21.00  -78.02   85.66  -73.33   75.36
   22.00  -75.62  100.66  -68.64   75.15
   23.00  -74.10  115.66  -64.59   80.10
</PRE>


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