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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Oct 1997 12:25:44 yearsecs  25964744
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.20  238.48  -49.99  154.36
    1.00  -62.76  253.48  -52.54  165.07
    2.00  -63.32  268.48  -55.43  175.87
    3.00  -63.88  283.48  -58.66  186.77
    4.00  -63.47  298.48  -61.46  199.06
    5.00  -64.74  313.48  -66.19  209.95
    6.00  -65.23  328.48  -70.41  223.54
    7.00  -65.24  343.48  -74.07  241.67
    8.00  -65.79  358.48  -77.66  265.58
    9.00  -65.27   13.48  -78.44  300.49
   10.00  -64.85   28.48  -76.46  334.60
   11.00  -64.66   43.48  -72.73  359.52
   12.00  -64.70   58.48  -68.68   17.80
   13.00  -64.96   73.48  -64.99   33.12
   14.00  -65.44   88.48  -61.82   47.14
   15.00  -66.15  103.48  -59.19   60.29
   16.00  -67.08  118.48  -57.24   72.48
   17.00  -68.24  133.48  -56.14   83.78
   18.00  -68.26  148.48  -54.53   93.54
   19.00  -67.57  163.48  -52.71  102.95
   20.00  -66.20  178.48  -50.67  112.47
   21.00  -65.10  193.48  -49.45  122.40
   22.00  -63.85  208.48  -48.76  132.67
   23.00  -62.67  223.48  -48.78  143.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.08  238.48  -60.00  148.30
    1.00  -74.14  253.48  -62.70  155.84
    2.00  -75.10  268.48  -65.62  162.76
    3.00  -76.07  283.48  -68.81  168.71
    4.00  -78.21  298.48  -72.86  169.84
    5.00  -79.37  313.48  -76.10  170.39
    6.00  -78.85  328.48  -78.83  175.82
    7.00  -78.23  343.48  -81.87  180.77
    8.00  -79.02  358.48  -84.65  166.29
    9.00  -78.76   13.48  -86.75  134.35
   10.00  -78.75   28.48  -85.63   87.32
   11.00  -78.54   43.48  -82.71   71.40
   12.00  -78.17   58.48  -79.30   68.29
   13.00  -78.00   73.48  -75.88   71.13
   14.00  -78.07   88.48  -72.79   76.54
   15.00  -77.64  103.48  -69.70   81.28
   16.00  -77.47  118.48  -67.14   87.39
   17.00  -76.07  133.48  -63.88   92.23
   18.00  -75.88  148.48  -62.16   99.54
   19.00  -76.55  163.48  -61.75  107.65
   20.00  -76.05  178.48  -60.61  115.04
   21.00  -74.32  193.48  -58.68  122.73
   22.00  -73.76  208.48  -58.44  131.06
   23.00  -73.04  223.48  -58.60  139.74
</PRE>


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