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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>
14 Jul 1997 17:05:44 yearsecs  16823144
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.04  178.47  -48.49  112.00
    1.00  -65.39  193.47  -49.74  122.41
    2.00  -66.52  208.47  -51.34  132.31
    3.00  -67.57  223.47  -53.41  141.87
    4.00  -67.33  238.47  -54.72  151.86
    5.00  -68.14  253.47  -57.39  161.35
    6.00  -68.20  268.47  -59.75  171.41
    7.00  -68.34  283.47  -62.57  181.56
    8.00  -69.26  298.47  -66.48  190.67
    9.00  -69.45  313.47  -70.16  201.37
   10.00  -68.95  328.47  -73.54  215.41
   11.00  -68.60  343.47  -77.03  233.29
   12.00  -68.51  358.47  -80.29  258.78
   13.00  -68.66   13.47  -82.19  298.09
   14.00  -69.06   28.47  -81.21  341.73
   15.00  -69.68   43.47  -78.22   11.90
   16.00  -70.43   58.47  -74.72   31.90
   17.00  -70.94   73.47  -71.09   46.35
   18.00  -70.81   88.47  -67.18   57.12
   19.00  -70.08  103.47  -63.12   66.13
   20.00  -69.27  118.47  -59.45   75.01
   21.00  -68.42  133.47  -56.33   83.94
   22.00  -66.41  148.47  -52.64   92.37
   23.00  -64.83  163.47  -49.94  101.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.04  178.47  -53.52  113.11
    1.00  -70.39  193.47  -54.73  122.60
    2.00  -71.52  208.47  -56.23  131.51
    3.00  -76.75  223.47  -62.18  137.83
    4.00  -79.03  238.47  -65.48  143.05
    5.00  -79.47  253.47  -67.31  148.91
    6.00  -78.83  268.47  -68.58  156.28
    7.00  -78.08  283.47  -70.24  164.19
    8.00  -78.36  298.47  -72.95  169.36
    9.00  -78.20  313.47  -75.67  175.16
   10.00  -78.21  328.47  -78.70  179.25
   11.00  -77.99  343.47  -81.87  182.54
   12.00  -78.07  358.47  -85.08  176.64
   13.00  -77.70   13.47  -87.84  141.09
   14.00  -77.46   28.47  -86.37   70.31
   15.00  -77.03   43.47  -82.76   58.18
   16.00  -76.90   58.47  -78.96   60.86
   17.00  -76.39   73.47  -75.09   64.46
   18.00  -76.89   88.47  -72.05   72.79
   19.00  -76.40  103.47  -68.73   78.31
   20.00  -75.78  118.47  -65.66   84.36
   21.00  -73.82  133.47  -61.71   89.43
   22.00  -71.41  148.47  -57.70   95.74
   23.00  -69.83  163.47  -54.99  103.95
</PRE>


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