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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>
31 Mar 1997 01:03:42 yearsecs   7693422
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.45   56.46  -70.10   17.03
    1.00  -64.94   71.46  -65.49   31.21
    2.00  -65.91   86.46  -62.81   46.22
    3.00  -66.88  101.46  -60.37   59.77
    4.00  -66.58  116.46  -57.09   70.48
    5.00  -67.36  131.46  -55.51   81.66
    6.00  -67.33  146.46  -53.76   91.61
    7.00  -67.28  161.46  -52.54  101.49
    8.00  -67.80  176.46  -52.34  111.51
    9.00  -68.09  191.46  -52.41  121.23
   10.00  -68.01  206.46  -52.70  130.81
   11.00  -67.65  221.46  -53.31  140.54
   12.00  -67.65  236.46  -54.79  150.36
   13.00  -67.90  251.46  -56.90  160.18
   14.00  -68.39  266.46  -59.58  169.86
   15.00  -69.10  281.46  -62.84  179.18
   16.00  -69.95  296.46  -66.61  188.08
   17.00  -70.60  311.46  -70.57  197.33
   18.00  -70.50  326.46  -74.21  209.38
   19.00  -69.95  341.46  -77.61  226.36
   20.00  -69.00  356.46  -80.35  253.01
   21.00  -68.07   11.46  -81.48  292.78
   22.00  -67.23   26.46  -79.54  333.21
   23.00  -66.36   41.46  -75.23  359.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.82   56.46  -75.64   31.27
    1.00  -71.89   71.46  -72.44   47.52
    2.00  -72.80   86.46  -69.42   60.37
    3.00  -77.47  101.46  -69.93   80.01
    4.00  -79.57  116.46  -69.17   90.93
    5.00  -79.92  131.46  -67.64   97.26
    6.00  -79.26  146.46  -65.61  102.30
    7.00  -78.64  161.46  -63.96  108.22
    8.00  -78.93  176.46  -63.61  115.17
    9.00  -78.86  191.46  -63.32  121.96
   10.00  -78.88  206.46  -63.53  128.79
   11.00  -78.68  221.46  -63.95  135.71
   12.00  -78.81  236.46  -65.11  142.39
   13.00  -78.56  251.46  -66.31  149.39
   14.00  -78.47  266.46  -68.04  156.12
   15.00  -78.20  281.46  -70.00  163.07
   16.00  -78.27  296.46  -72.54  168.89
   17.00  -78.00  311.46  -75.19  175.26
   18.00  -78.59  326.46  -78.37  176.86
   19.00  -78.41  341.46  -81.44  179.51
   20.00  -77.44  356.46  -84.81  185.34
   21.00  -75.52   11.46  -88.70  225.23
   22.00  -73.27   26.46  -85.79  358.18
   23.00  -71.68   41.46  -80.59   17.46
</PRE>


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