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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 01:43:54 yearsecs  10287834
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.72   43.71  -69.03  355.61
    1.00  -62.91   58.71  -66.45   15.00
    2.00  -63.99   73.71  -63.82   31.66
    3.00  -65.56   88.71  -61.89   47.52
    4.00  -65.33  103.71  -58.29   59.37
    5.00  -66.43  118.71  -56.54   71.93
    6.00  -66.65  133.71  -54.49   82.57
    7.00  -66.51  148.71  -52.72   92.59
    8.00  -66.97  163.71  -52.08  102.85
    9.00  -66.73  178.71  -51.19  112.73
   10.00  -66.31  193.71  -50.66  122.60
   11.00  -66.12  208.71  -50.97  132.52
   12.00  -66.15  223.71  -52.10  142.50
   13.00  -66.41  238.71  -53.91  152.51
   14.00  -66.89  253.71  -56.32  162.45
   15.00  -67.60  268.71  -59.27  172.19
   16.00  -68.53  283.71  -62.78  181.47
   17.00  -68.79  298.71  -66.15  191.63
   18.00  -68.96  313.71  -69.83  202.58
   19.00  -68.85  328.71  -73.51  215.91
   20.00  -67.69  343.71  -76.32  236.21
   21.00  -65.68  358.71  -77.59  266.26
   22.00  -63.88   13.71  -76.89  301.73
   23.00  -62.32   28.71  -73.40  332.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.72   43.71  -75.04    3.86
    1.00  -67.91   58.71  -72.19   24.96
    2.00  -68.99   73.71  -69.20   41.60
    3.00  -72.30   88.71  -68.46   60.60
    4.00  -75.26  103.71  -67.76   75.91
    5.00  -75.93  118.71  -65.76   84.73
    6.00  -74.94  133.71  -62.77   90.90
    7.00  -73.97  148.71  -60.24   97.93
    8.00  -74.50  163.71  -59.68  106.51
    9.00  -74.67  178.71  -59.21  114.74
   10.00  -75.08  193.71  -59.45  122.88
   11.00  -74.92  208.71  -59.61  130.91
   12.00  -74.91  223.71  -60.42  138.96
   13.00  -74.76  238.71  -61.56  147.15
   14.00  -74.95  253.71  -63.44  155.06
   15.00  -74.62  268.71  -65.26  163.62
   16.00  -74.78  283.71  -67.88  171.43
   17.00  -73.79  298.71  -70.06  181.80
   18.00  -73.96  313.71  -73.47  190.06
   19.00  -74.18  328.71  -77.16  198.51
   20.00  -73.18  343.71  -80.39  214.85
   21.00  -70.68  358.71  -82.31  250.83
   22.00  -68.88   13.71  -82.43  298.62
   23.00  -67.32   28.71  -79.25  338.48
</PRE>


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