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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>
27 Oct 1997 17:44:20 yearsecs  25897460
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.34  161.83  -48.51  100.10
    1.00  -64.61  176.83  -49.11  110.99
    2.00  -65.46  191.83  -49.79  121.32
    3.00  -67.48  206.83  -52.20  131.12
    4.00  -67.21  221.83  -52.93  140.92
    5.00  -68.03  236.83  -55.18  150.41
    6.00  -68.18  251.83  -57.20  160.23
    7.00  -68.87  266.83  -60.06  169.63
    8.00  -70.51  281.83  -64.10  177.48
    9.00  -70.85  296.83  -67.42  186.71
   10.00  -69.91  311.83  -70.13  199.12
   11.00  -69.28  326.83  -73.37  213.04
   12.00  -69.08  341.83  -77.02  229.68
   13.00  -69.14  356.83  -80.55  253.29
   14.00  -69.45   11.83  -82.99  291.92
   15.00  -70.03   26.83  -82.56  340.41
   16.00  -70.60   41.83  -79.54   13.03
   17.00  -70.63   56.83  -75.36   30.99
   18.00  -70.71   71.83  -71.31   44.41
   19.00  -69.96   86.83  -66.79   54.14
   20.00  -69.03  101.83  -62.45   63.31
   21.00  -68.19  116.83  -58.66   72.62
   22.00  -66.93  131.83  -55.02   81.53
   23.00  -64.88  146.83  -51.23   90.33
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.34  161.83  -53.58  102.22
    1.00  -69.61  176.83  -54.15  112.22
    2.00  -70.46  191.83  -54.78  121.61
    3.00  -76.66  206.83  -61.30  129.52
    4.00  -78.79  221.83  -64.08  135.81
    5.00  -79.22  236.83  -65.52  142.14
    6.00  -78.40  251.83  -66.21  149.78
    7.00  -77.17  266.83  -67.06  158.59
    8.00  -77.17  281.83  -69.33  165.57
    9.00  -77.03  296.83  -71.87  172.61
   10.00  -76.92  311.83  -74.76  179.39
   11.00  -77.12  326.83  -78.04  184.36
   12.00  -77.46  341.83  -81.47  186.35
   13.00  -77.28  356.83  -84.92  187.14
   14.00  -77.09   11.83  -88.22  160.49
   15.00  -76.91   26.83  -86.95   63.03
   16.00  -76.72   41.83  -83.15   55.20
   17.00  -76.52   56.83  -79.24   58.12
   18.00  -77.76   71.83  -76.14   69.58
   19.00  -78.09   86.83  -73.13   76.03
   20.00  -77.22  101.83  -69.67   79.53
   21.00  -75.18  116.83  -65.37   82.51
   22.00  -71.93  131.83  -60.06   86.37
   23.00  -69.88  146.83  -56.32   93.62
</PRE>


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