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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 11:59:07 yearsecs   7473547
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.86  253.44  -48.90  167.28
    1.00  -60.08  268.44  -52.47  178.30
    2.00  -60.86  283.44  -55.92  189.66
    3.00  -67.75  298.44  -65.21  193.10
    4.00  -67.32  313.44  -68.41  205.56
    5.00  -67.92  328.44  -72.70  217.90
    6.00  -67.77  343.44  -76.33  235.61
    7.00  -68.05  358.44  -79.86  260.07
    8.00  -68.91   13.44  -82.46  297.74
    9.00  -69.19   28.44  -81.36  342.00
   10.00  -68.96   43.44  -77.51    9.45
   11.00  -68.77   58.44  -73.15   26.93
   12.00  -68.81   73.44  -69.09   40.94
   13.00  -69.07   88.44  -65.55   53.54
   14.00  -69.55  103.44  -62.61   65.26
   15.00  -69.92  118.44  -60.10   75.79
   16.00  -69.88  133.44  -57.82   85.27
   17.00  -69.75  148.44  -56.03   94.52
   18.00  -71.03  163.44  -56.20  104.50
   19.00  -70.69  178.44  -55.19  113.49
   20.00  -69.86  193.44  -54.19  122.56
   21.00  -67.32  208.44  -52.12  132.18
   22.00  -63.46  223.44  -49.53  143.14
   23.00  -60.86  238.44  -48.71  154.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.86  253.44  -53.55  164.35
    1.00  -65.08  268.44  -57.00  174.35
    2.00  -65.86  283.44  -60.41  184.57
    3.00  -73.09  298.44  -69.49  183.23
    4.00  -75.60  313.44  -74.39  184.70
    5.00  -75.91  328.44  -77.94  190.76
    6.00  -74.77  343.44  -81.12  205.36
    7.00  -73.78  358.44  -84.53  228.70
    8.00  -74.25   13.44  -88.17  279.10
    9.00  -74.46   28.44  -86.14   18.06
   10.00  -74.45   43.44  -81.96   36.96
   11.00  -74.68   58.44  -77.94   49.08
   12.00  -75.19   73.44  -74.38   59.84
   13.00  -75.09   88.44  -70.78   67.54
   14.00  -75.03  103.44  -67.62   75.29
   15.00  -74.92  118.44  -64.88   82.90
   16.00  -74.88  133.44  -62.75   90.69
   17.00  -74.75  148.44  -61.04   98.46
   18.00  -76.03  163.44  -61.23  107.29
   19.00  -76.13  178.44  -60.70  115.05
   20.00  -74.91  193.44  -59.28  122.73
   21.00  -72.32  208.44  -57.02  131.33
   22.00  -68.46  223.44  -54.25  141.54
   23.00  -65.86  238.44  -53.37  152.60
</PRE>


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