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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>
20 Jun 1997 18:36:58 yearsecs  14755018
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.58  149.10  -49.69   91.18
    1.00  -63.71  164.10  -48.76  101.84
    2.00  -64.46  179.10  -48.90  112.52
    3.00  -65.19  194.10  -49.55  122.83
    4.00  -64.97  209.10  -49.88  132.95
    5.00  -66.18  224.10  -52.16  142.75
    6.00  -66.49  239.10  -54.03  152.73
    7.00  -66.41  254.10  -55.94  163.08
    8.00  -67.15  269.10  -58.93  172.91
    9.00  -66.70  284.10  -61.28  184.07
   10.00  -66.37  299.10  -64.18  195.67
   11.00  -66.01  314.10  -67.46  208.43
   12.00  -65.98  329.10  -71.23  222.75
   13.00  -66.18  344.10  -75.08  240.49
   14.00  -66.62  359.10  -78.59  265.07
   15.00  -67.29   14.10  -80.69  300.94
   16.00  -68.19   29.10  -80.14  341.08
   17.00  -69.25   44.10  -77.62   11.30
   18.00  -69.16   59.10  -73.35   28.69
   19.00  -68.49   74.10  -68.60   40.78
   20.00  -67.28   89.10  -63.60   50.74
   21.00  -66.21  104.10  -59.12   60.85
   22.00  -65.13  119.10  -55.12   70.85
   23.00  -64.09  134.10  -51.79   80.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.76  149.10  -55.99   94.94
    1.00  -71.11  164.10  -56.24  104.94
    2.00  -72.28  179.10  -56.78  114.29
    3.00  -74.53  194.10  -58.90  123.07
    4.00  -77.32  209.10  -62.03  130.47
    5.00  -78.20  224.10  -63.63  137.24
    6.00  -77.55  239.10  -64.17  144.86
    7.00  -76.92  254.10  -65.19  152.85
    8.00  -77.77  269.10  -67.85  158.58
    9.00  -77.43  284.10  -69.89  165.99
   10.00  -77.46  299.10  -72.55  172.36
   11.00  -77.33  314.10  -75.42  178.76
   12.00  -77.08  329.10  -78.53  185.33
   13.00  -76.81  344.10  -81.90  191.50
   14.00  -76.85  359.10  -85.51  191.75
   15.00  -76.35   14.10  -89.20  165.18
   16.00  -76.18   29.10  -86.48   47.57
   17.00  -74.73   44.10  -81.91   39.55
   18.00  -74.43   59.10  -77.62   48.33
   19.00  -74.37   74.10  -73.66   57.32
   20.00  -73.91   89.10  -69.71   64.77
   21.00  -71.90  104.10  -64.71   69.63
   22.00  -70.84  119.10  -60.90   77.38
   23.00  -69.90  134.10  -57.75   85.70
</PRE>


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