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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>
23 Jun 1997 00:54:33 yearsecs  14950473
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.15   55.60  -70.00   15.51
    1.00  -64.39   70.60  -65.08   29.42
    2.00  -65.50   85.60  -62.57   44.80
    3.00  -66.61  100.60  -60.28   58.72
    4.00  -66.43  115.60  -57.08   69.69
    5.00  -67.34  130.60  -55.61   81.06
    6.00  -67.41  145.60  -53.93   91.09
    7.00  -67.26  160.60  -52.57  100.92
    8.00  -67.99  175.60  -52.56  111.00
    9.00  -67.83  190.60  -52.15  120.66
   10.00  -67.35  205.60  -52.01  130.34
   11.00  -67.13  220.60  -52.75  140.14
   12.00  -67.15  235.60  -54.23  150.04
   13.00  -67.39  250.60  -56.33  159.98
   14.00  -67.86  265.60  -58.98  169.79
   15.00  -68.56  280.60  -62.21  179.30
   16.00  -69.48  295.60  -66.04  188.29
   17.00  -70.42  310.60  -70.22  197.11
   18.00  -70.17  325.60  -73.74  209.58
   19.00  -69.64  340.60  -77.16  226.36
   20.00  -68.61  355.60  -79.82  252.66
   21.00  -67.60   10.60  -80.93  290.98
   22.00  -66.66   25.60  -79.04  330.46
   23.00  -65.86   40.60  -74.88  357.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.84   55.60  -76.74   34.21
    1.00  -72.75   70.60  -73.36   49.60
    2.00  -73.60   85.60  -70.28   61.90
    3.00  -77.46  100.60  -70.08   79.62
    4.00  -78.91  115.60  -68.76   89.13
    5.00  -79.90  130.60  -67.72   96.89
    6.00  -79.71  145.60  -66.11  102.52
    7.00  -79.67  160.60  -65.04  108.72
    8.00  -79.95  175.60  -64.68  115.28
    9.00  -79.67  190.60  -64.15  121.66
   10.00  -79.88  205.60  -64.53  128.14
   11.00  -79.57  220.60  -64.78  134.77
   12.00  -79.61  235.60  -65.79  141.19
   13.00  -79.33  250.60  -66.89  147.92
   14.00  -79.28  265.60  -68.56  154.23
   15.00  -78.96  280.60  -70.39  160.91
   16.00  -79.14  295.60  -72.87  165.93
   17.00  -78.77  310.60  -75.35  172.03
   18.00  -78.96  325.60  -78.28  174.82
   19.00  -78.47  340.60  -81.27  179.12
   20.00  -77.46  355.60  -84.61  185.48
   21.00  -75.60   10.60  -88.49  219.69
   22.00  -73.81   25.60  -86.43    1.53
   23.00  -72.41   40.60  -81.42   20.24
</PRE>


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