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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>
08 Aug 1997 22:06:32 yearsecs  19001192
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.18   98.03  -58.28   53.24
    1.00  -65.39  113.03  -56.49   66.62
    2.00  -66.21  128.03  -54.82   78.29
    3.00  -67.94  143.03  -54.72   89.78
    4.00  -67.53  158.03  -53.02   99.35
    5.00  -68.15  173.03  -52.82  109.39
    6.00  -68.05  188.03  -52.37  119.03
    7.00  -68.37  203.03  -52.91  128.59
    8.00  -69.40  218.03  -54.72  137.83
    9.00  -69.86  233.03  -56.46  147.01
   10.00  -70.30  248.03  -58.59  156.14
   11.00  -69.76  263.03  -60.24  166.21
   12.00  -69.59  278.03  -62.61  176.25
   13.00  -69.69  293.03  -65.66  186.17
   14.00  -70.05  308.03  -69.33  196.01
   15.00  -70.66  323.03  -73.46  206.05
   16.00  -71.26  338.03  -77.70  217.77
   17.00  -71.34  353.03  -81.54  236.68
   18.00  -71.45    8.03  -84.71  272.79
   19.00  -70.77   23.03  -83.96  331.37
   20.00  -69.91   38.03  -79.90    4.26
   21.00  -69.09   53.03  -74.97   22.03
   22.00  -67.63   68.03  -69.34   33.42
   23.00  -65.66   83.03  -63.37   42.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.18   98.03  -63.42   60.83
    1.00  -70.39  113.03  -61.53   72.93
    2.00  -71.21  128.03  -59.88   83.31
    3.00  -77.18  143.03  -63.92   98.24
    4.00  -79.23  158.03  -64.74  107.21
    5.00  -79.64  173.03  -64.45  114.02
    6.00  -78.87  188.03  -63.34  120.40
    7.00  -77.72  203.03  -62.27  127.44
    8.00  -77.76  218.03  -62.86  134.62
    9.00  -77.71  233.03  -63.80  141.82
   10.00  -77.55  248.03  -65.06  149.13
   11.00  -77.61  263.03  -66.90  156.09
   12.00  -77.92  278.03  -69.27  162.24
   13.00  -77.74  293.03  -71.62  169.05
   14.00  -77.56  308.03  -74.31  175.61
   15.00  -77.38  323.03  -77.31  181.80
   16.00  -77.20  338.03  -80.57  187.29
   17.00  -77.01  353.03  -84.04  190.85
   18.00  -78.22    8.03  -86.74  157.73
   19.00  -78.54   23.03  -86.58   98.27
   20.00  -77.70   38.03  -84.09   65.40
   21.00  -75.74   53.03  -79.92   51.83
   22.00  -72.63   68.03  -73.95   47.34
   23.00  -70.66   83.03  -68.38   52.88
</PRE>


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