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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>
22 Oct 1997 23:46:44 yearsecs  25487204
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.12   73.14  -65.26   33.10
    1.00  -64.35   88.14  -60.70   45.13
    2.00  -65.46  103.14  -58.55   59.10
    3.00  -66.58  118.14  -56.79   71.69
    4.00  -66.41  133.14  -54.32   81.99
    5.00  -67.33  148.14  -53.61   92.72
    6.00  -67.43  163.14  -52.59  102.67
    7.00  -67.27  178.14  -51.76  112.48
    8.00  -67.94  193.14  -52.27  122.30
    9.00  -67.60  208.14  -52.38  131.94
   10.00  -67.20  223.14  -53.03  141.78
   11.00  -67.01  238.14  -54.39  151.81
   12.00  -67.04  253.14  -56.37  161.96
   13.00  -67.30  268.14  -58.91  172.09
   14.00  -67.78  283.14  -62.03  182.05
   15.00  -68.49  298.14  -65.77  191.71
   16.00  -69.42  313.14  -70.06  201.17
   17.00  -70.36  328.14  -74.53  211.27
   18.00  -70.12  343.14  -78.16  227.83
   19.00  -69.60  358.14  -81.23  254.29
   20.00  -68.57   13.14  -82.08  297.17
   21.00  -67.57   28.14  -79.64  337.67
   22.00  -66.63   43.14  -75.09    2.85
   23.00  -65.83   58.14  -70.08   19.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.94   73.14  -73.60   55.27
    1.00  -74.89   88.14  -70.70   66.83
    2.00  -75.82  103.14  -68.32   76.84
    3.00  -79.35  118.14  -68.77   91.08
    4.00  -81.25  133.14  -68.63  100.30
    5.00  -81.60  148.14  -67.69  106.08
    6.00  -81.17  163.14  -66.40  111.11
    7.00  -80.88  178.14  -65.56  116.78
    8.00  -81.38  193.14  -65.92  122.86
    9.00  -81.52  208.14  -66.26  128.65
   10.00  -82.41  223.14  -67.69  133.62
   11.00  -82.86  238.14  -68.94  138.16
   12.00  -82.23  253.14  -69.55  144.05
   13.00  -81.63  268.14  -70.59  150.11
   14.00  -81.33  283.14  -72.22  155.43
   15.00  -80.86  298.14  -74.10  160.89
   16.00  -80.86  313.14  -76.44  163.84
   17.00  -80.47  328.14  -78.90  166.92
   18.00  -80.58  343.14  -81.41  163.72
   19.00  -80.12  358.14  -83.93  156.90
   20.00  -79.18   13.14  -86.29  133.83
   21.00  -77.47   28.14  -86.44   70.91
   22.00  -75.72   43.14  -82.58   46.74
   23.00  -74.33   58.14  -77.82   47.22
</PRE>


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