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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>
10 Oct 1997 21:08:40 yearsecs  24440920
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.81  111.80  -47.36   56.97
    1.00  -57.17  126.80  -45.44   70.19
    2.00  -57.52  141.80  -44.03   82.48
    3.00  -57.86  156.80  -43.19   94.26
    4.00  -58.20  171.80  -42.79  105.82
    5.00  -58.96  186.80  -43.29  117.21
    6.00  -60.91  201.80  -45.55  128.22
    7.00  -62.53  216.80  -48.06  138.70
    8.00  -62.18  231.80  -49.18  149.52
    9.00  -61.51  246.80  -50.43  160.82
   10.00  -61.05  261.80  -52.25  172.45
   11.00  -60.90  276.80  -54.70  184.31
   12.00  -60.97  291.80  -57.71  196.38
   13.00  -61.26  306.80  -61.37  208.78
   14.00  -61.77  321.80  -65.57  222.17
   15.00  -62.50  336.80  -69.95  237.78
   16.00  -63.45  351.80  -74.14  257.69
   17.00  -64.61    6.80  -77.48  285.29
   18.00  -64.86   21.80  -77.49  320.33
   19.00  -63.49   36.80  -73.02  347.82
   20.00  -61.83   51.80  -66.97    5.73
   21.00  -60.64   66.80  -61.44   19.92
   22.00  -58.82   81.80  -55.51   31.76
   23.00  -57.72   96.80  -51.09   44.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.33  111.80  -61.70   72.04
    1.00  -71.26  126.80  -60.10   82.63
    2.00  -72.15  141.80  -59.10   92.42
    3.00  -72.60  156.80  -58.22  101.47
    4.00  -73.34  171.80  -58.10  110.44
    5.00  -74.64  186.80  -59.03  119.12
    6.00  -74.94  201.80  -59.42  127.21
    7.00  -73.90  216.80  -58.99  135.63
    8.00  -73.87  231.80  -60.08  143.99
    9.00  -74.21  246.80  -61.94  152.07
   10.00  -73.65  261.80  -63.41  161.10
   11.00  -73.34  276.80  -65.53  170.12
   12.00  -73.13  291.80  -68.16  179.21
   13.00  -72.99  306.80  -71.24  188.53
   14.00  -73.05  321.80  -74.80  198.04
   15.00  -72.90  336.80  -78.45  209.93
   16.00  -73.30  351.80  -82.55  223.04
   17.00  -73.56    6.80  -86.40  251.62
   18.00  -73.17   21.80  -86.63  338.74
   19.00  -72.19   36.80  -82.29   13.12
   20.00  -71.85   51.80  -77.82   30.57
   21.00  -71.05   66.80  -72.97   41.30
   22.00  -71.17   81.80  -69.15   53.19
   23.00  -70.23   96.80  -64.71   61.80
</PRE>


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