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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>
30 Apr 1997 01:43:58 yearsecs  10287838
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.72   43.69  -69.04  355.59
    1.00  -62.92   58.69  -66.46   14.99
    2.00  -64.00   73.69  -63.83   31.65
    3.00  -65.56   88.69  -61.89   47.51
    4.00  -65.33  103.69  -58.29   59.36
    5.00  -66.43  118.69  -56.54   71.92
    6.00  -66.65  133.69  -54.50   82.56
    7.00  -66.51  148.69  -52.72   92.58
    8.00  -66.97  163.69  -52.08  102.84
    9.00  -66.73  178.69  -51.20  112.72
   10.00  -66.31  193.69  -50.66  122.59
   11.00  -66.12  208.69  -50.97  132.51
   12.00  -66.15  223.69  -52.10  142.49
   13.00  -66.41  238.69  -53.91  152.49
   14.00  -66.89  253.69  -56.31  162.44
   15.00  -67.60  268.69  -59.26  172.17
   16.00  -68.53  283.69  -62.78  181.46
   17.00  -68.79  298.69  -66.15  191.61
   18.00  -68.96  313.69  -69.83  202.56
   19.00  -68.85  328.69  -73.51  215.89
   20.00  -67.69  343.69  -76.31  236.19
   21.00  -65.68  358.69  -77.59  266.22
   22.00  -63.88   13.69  -76.89  301.69
   23.00  -62.32   28.69  -73.41  332.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.72   43.69  -75.05    3.85
    1.00  -67.92   58.69  -72.20   24.96
    2.00  -69.00   73.69  -69.21   41.60
    3.00  -72.30   88.69  -68.46   60.60
    4.00  -75.27  103.69  -67.76   75.91
    5.00  -75.94  118.69  -65.76   84.73
    6.00  -74.94  133.69  -62.77   90.89
    7.00  -73.98  148.69  -60.25   97.93
    8.00  -74.51  163.69  -59.68  106.50
    9.00  -74.67  178.69  -59.21  114.73
   10.00  -75.08  193.69  -59.45  122.87
   11.00  -74.92  208.69  -59.62  130.91
   12.00  -74.91  223.69  -60.42  138.95
   13.00  -74.76  238.69  -61.56  147.14
   14.00  -74.96  253.69  -63.44  155.05
   15.00  -74.62  268.69  -65.26  163.61
   16.00  -74.78  283.69  -67.88  171.42
   17.00  -73.79  298.69  -70.06  181.79
   18.00  -73.96  313.69  -73.47  190.04
   19.00  -74.18  328.69  -77.15  198.49
   20.00  -73.18  343.69  -80.39  214.82
   21.00  -70.68  358.69  -82.30  250.79
   22.00  -68.88   13.69  -82.43  298.57
   23.00  -67.32   28.69  -79.26  338.45
</PRE>


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