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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>
28 Mar 1997 11:58:58 yearsecs   7473538
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.85  253.47  -48.89  167.32
    1.00  -60.07  268.47  -52.47  178.34
    2.00  -60.85  283.47  -55.91  189.70
    3.00  -67.75  298.47  -65.22  193.13
    4.00  -67.32  313.47  -68.42  205.59
    5.00  -67.92  328.47  -72.71  217.93
    6.00  -67.77  343.47  -76.33  235.65
    7.00  -68.05  358.47  -79.86  260.15
    8.00  -68.91   13.47  -82.46  297.86
    9.00  -69.19   28.47  -81.35  342.09
   10.00  -68.96   43.47  -77.50    9.51
   11.00  -68.77   58.47  -73.14   26.97
   12.00  -68.81   73.47  -69.08   40.97
   13.00  -69.07   88.47  -65.54   53.56
   14.00  -69.55  103.47  -62.61   65.28
   15.00  -69.91  118.47  -60.09   75.81
   16.00  -69.88  133.47  -57.81   85.28
   17.00  -69.74  148.47  -56.03   94.54
   18.00  -71.03  163.47  -56.19  104.52
   19.00  -70.69  178.47  -55.19  113.51
   20.00  -69.86  193.47  -54.19  122.58
   21.00  -67.31  208.47  -52.11  132.20
   22.00  -63.45  223.47  -49.52  143.17
   23.00  -60.85  238.47  -48.71  154.94
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.85  253.47  -53.54  164.38
    1.00  -65.07  268.47  -56.99  174.39
    2.00  -65.85  283.47  -60.41  184.62
    3.00  -73.07  298.47  -69.48  183.28
    4.00  -75.58  313.47  -74.39  184.77
    5.00  -75.90  328.47  -77.94  190.84
    6.00  -74.75  343.47  -81.12  205.49
    7.00  -73.77  358.47  -84.53  228.91
    8.00  -74.23   13.47  -88.16  279.59
    9.00  -74.45   28.47  -86.12   17.98
   10.00  -74.44   43.47  -81.94   36.92
   11.00  -74.67   58.47  -77.93   49.06
   12.00  -75.18   73.47  -74.36   59.84
   13.00  -75.09   88.47  -70.77   67.54
   14.00  -75.03  103.47  -67.60   75.29
   15.00  -74.91  118.47  -64.87   82.91
   16.00  -74.88  133.47  -62.74   90.70
   17.00  -74.74  148.47  -61.03   98.48
   18.00  -76.03  163.47  -61.22  107.31
   19.00  -76.13  178.47  -60.69  115.07
   20.00  -74.91  193.47  -59.27  122.75
   21.00  -72.31  208.47  -57.01  131.35
   22.00  -68.45  223.47  -54.24  141.57
   23.00  -65.85  238.47  -53.37  152.63
</PRE>


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