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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>
04 Aug 1997 22:55:12 yearsecs  18658512
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.05   86.00  -61.98   44.40
    1.00  -65.88  101.00  -59.43   57.99
    2.00  -66.73  116.00  -57.32   70.32
    3.00  -67.58  131.00  -55.80   81.55
    4.00  -67.24  146.00  -53.72   91.25
    5.00  -67.98  161.00  -53.27  101.51
    6.00  -68.01  176.00  -52.56  111.27
    7.00  -68.51  191.00  -52.83  120.97
    8.00  -69.72  206.00  -54.35  130.30
    9.00  -69.97  221.00  -55.49  139.49
   10.00  -69.50  236.00  -56.43  149.08
   11.00  -69.09  251.00  -57.90  158.99
   12.00  -68.94  266.00  -59.99  168.99
   13.00  -69.06  281.00  -62.72  178.93
   14.00  -69.43  296.00  -66.08  188.65
   15.00  -70.05  311.00  -70.04  198.19
   16.00  -70.66  326.00  -74.21  208.54
   17.00  -70.74  341.00  -78.09  222.96
   18.00  -70.85  356.00  -81.85  244.48
   19.00  -70.14   11.00  -83.68  287.80
   20.00  -69.25   26.00  -81.86  335.98
   21.00  -68.47   41.00  -77.65    4.30
   22.00  -67.86   56.00  -72.89   21.94
   23.00  -66.45   71.00  -67.29   33.66
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.05   86.00  -67.07   53.70
    1.00  -71.23  101.00  -64.73   66.45
    2.00  -72.04  116.00  -62.59   77.12
    3.00  -77.76  131.00  -65.75   93.48
    4.00  -79.73  146.00  -66.09  102.70
    5.00  -80.14  161.00  -65.48  109.31
    6.00  -79.41  176.00  -64.12  115.19
    7.00  -78.34  191.00  -62.78  121.70
    8.00  -78.39  206.00  -63.02  128.70
    9.00  -78.42  221.00  -63.67  135.66
   10.00  -78.19  236.00  -64.50  142.78
   11.00  -78.27  251.00  -66.01  149.58
   12.00  -78.55  266.00  -68.04  155.77
   13.00  -78.37  281.00  -70.05  162.48
   14.00  -78.19  296.00  -72.41  168.97
   15.00  -78.00  311.00  -75.10  175.11
   16.00  -77.81  326.00  -78.08  180.68
   17.00  -77.62  341.00  -81.30  185.11
   18.00  -78.75  356.00  -84.33  171.42
   19.00  -79.04   11.00  -86.31  141.02
   20.00  -78.22   26.00  -86.41   86.40
   21.00  -76.31   41.00  -83.30   51.18
   22.00  -73.32   56.00  -77.74   40.88
   23.00  -71.45   71.00  -72.18   45.87
</PRE>


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