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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>
01 Oct 1997 00:52:48 yearsecs  23590368
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.27   56.50  -69.88   16.73
    1.00  -65.98   71.50  -66.65   33.20
    2.00  -66.80   86.50  -63.73   47.79
    3.00  -67.61  101.50  -61.10   60.88
    4.00  -67.20  116.50  -57.71   71.22
    5.00  -67.84  131.50  -56.00   82.12
    6.00  -67.72  146.50  -54.16   91.90
    7.00  -67.87  161.50  -53.13  101.79
    8.00  -68.78  176.50  -53.32  111.79
    9.00  -68.87  191.50  -53.19  121.31
   10.00  -68.75  206.50  -53.42  130.74
   11.00  -68.56  221.50  -54.18  140.28
   12.00  -68.59  236.50  -55.66  149.89
   13.00  -68.85  251.50  -57.76  159.49
   14.00  -69.34  266.50  -60.42  168.91
   15.00  -70.05  281.50  -63.65  177.92
   16.00  -70.78  296.50  -67.29  186.63
   17.00  -71.10  311.50  -70.95  196.22
   18.00  -71.17  326.50  -74.70  207.49
   19.00  -70.56  341.50  -78.08  224.22
   20.00  -69.70  356.50  -80.99  250.50
   21.00  -68.87   11.50  -82.35  291.80
   22.00  -68.17   26.50  -80.59  334.91
   23.00  -66.51   41.50  -75.39    0.17
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.27   56.50  -75.12   29.44
    1.00  -71.38   71.50  -71.99   46.04
    2.00  -72.19   86.50  -68.88   58.89
    3.00  -77.53  101.50  -69.97   80.18
    4.00  -79.54  116.50  -69.14   90.88
    5.00  -79.91  131.50  -67.62   97.24
    6.00  -79.16  146.50  -65.51  102.19
    7.00  -78.15  161.50  -63.47  107.85
    8.00  -78.24  176.50  -62.91  114.89
    9.00  -78.30  191.50  -62.74  121.93
   10.00  -78.23  206.50  -62.87  128.98
   11.00  -78.25  221.50  -63.53  135.99
   12.00  -78.52  236.50  -64.84  142.70
   13.00  -78.34  251.50  -66.12  149.72
   14.00  -78.22  266.50  -67.85  156.60
   15.00  -78.02  281.50  -69.89  163.49
   16.00  -77.96  296.50  -72.37  169.83
   17.00  -77.76  311.50  -75.09  176.20
   18.00  -78.71  326.50  -78.41  176.24
   19.00  -78.85  341.50  -81.44  176.35
   20.00  -77.99  356.50  -84.70  179.10
   21.00  -76.06   11.50  -88.74  199.13
   22.00  -73.31   26.50  -85.81  358.77
   23.00  -71.51   41.50  -80.44   16.70
</PRE>


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