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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>
05 Apr 1997 23:51:23 yearsecs   8207483
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.47   73.47  -62.06   28.99
    1.00  -63.71   88.47  -59.92   44.45
    2.00  -64.62  103.47  -57.59   58.26
    3.00  -65.45  118.47  -55.57   70.72
    4.00  -65.22  133.47  -53.05   81.25
    5.00  -66.34  148.47  -52.57   92.32
    6.00  -66.57  163.47  -51.69  102.52
    7.00  -66.43  178.47  -50.90  112.51
    8.00  -67.11  193.47  -51.45  122.48
    9.00  -66.64  208.47  -51.46  132.29
   10.00  -66.22  223.47  -52.14  142.32
   11.00  -66.03  238.47  -53.53  152.54
   12.00  -66.06  253.47  -55.54  162.89
   13.00  -66.32  268.47  -58.10  173.25
   14.00  -66.80  283.47  -61.24  183.49
   15.00  -67.51  298.47  -65.01  193.50
   16.00  -68.44  313.47  -69.35  203.44
   17.00  -68.86  328.47  -73.47  215.63
   18.00  -68.96  343.47  -77.33  232.15
   19.00  -68.77  358.47  -80.54  257.91
   20.00  -67.60   13.47  -81.02  298.97
   21.00  -66.00   28.47  -77.79  335.93
   22.00  -64.36   43.47  -72.37  359.01
   23.00  -62.96   58.47  -66.57   14.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.47   73.47  -67.72   37.99
    1.00  -68.71   88.47  -65.19   52.87
    2.00  -69.83  103.47  -62.88   65.73
    3.00  -72.93  118.47  -63.02   79.86
    4.00  -75.86  133.47  -63.68   91.94
    5.00  -76.60  148.47  -62.86  100.23
    6.00  -75.73  163.47  -60.93  107.12
    7.00  -74.90  178.47  -59.45  114.68
    8.00  -75.68  193.47  -60.06  122.77
    9.00  -75.19  208.47  -59.87  130.72
   10.00  -75.56  223.47  -61.03  138.49
   11.00  -75.41  238.47  -62.14  146.48
   12.00  -75.29  253.47  -63.70  154.55
   13.00  -75.09  268.47  -65.61  162.78
   14.00  -75.23  283.47  -68.19  170.41
   15.00  -74.85  298.47  -70.76  179.14
   16.00  -74.95  313.47  -74.02  186.86
   17.00  -73.86  328.47  -76.92  199.62
   18.00  -73.96  343.47  -80.75  210.25
   19.00  -74.20  358.47  -84.76  224.61
   20.00  -73.28   13.47  -87.18  287.82
   21.00  -71.00   28.47  -83.24  348.59
   22.00  -69.36   43.47  -77.91   10.79
   23.00  -67.96   58.47  -72.30   24.81
</PRE>


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