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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>
19 Apr 1997 00:35:28 yearsecs   9333328
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.51   61.11  -65.31   16.90
    1.00  -63.05   76.11  -62.12   32.37
    2.00  -63.60   91.11  -59.19   46.58
    3.00  -64.14  106.11  -56.54   59.77
    4.00  -63.81  121.11  -53.41   71.06
    5.00  -65.11  136.11  -52.61   83.02
    6.00  -65.52  151.11  -51.50   93.64
    7.00  -65.44  166.11  -50.41  103.88
    8.00  -66.14  181.11  -50.54  114.21
    9.00  -65.51  196.11  -49.90  124.18
   10.00  -65.08  211.11  -50.11  134.29
   11.00  -64.89  226.11  -51.14  144.54
   12.00  -64.93  241.11  -52.85  154.93
   13.00  -65.19  256.11  -55.14  165.38
   14.00  -65.67  271.11  -57.98  175.76
   15.00  -66.38  286.11  -61.40  185.93
   16.00  -67.31  301.11  -65.44  195.81
   17.00  -68.46  316.11  -70.02  205.56
   18.00  -68.29  331.11  -73.68  219.70
   19.00  -67.80  346.11  -76.99  239.29
   20.00  -66.46    1.11  -78.74  269.69
   21.00  -65.36   16.11  -78.49  306.91
   22.00  -64.15   31.11  -75.11  338.90
   23.00  -62.96   46.11  -69.95    0.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.38   61.11  -73.00   31.30
    1.00  -70.59   76.11  -70.08   47.48
    2.00  -71.63   91.11  -67.31   60.70
    3.00  -72.72  106.11  -65.06   72.29
    4.00  -75.67  121.11  -65.16   85.49
    5.00  -76.75  136.11  -64.22   94.41
    6.00  -75.99  151.11  -62.04  100.98
    7.00  -75.14  166.11  -60.19  108.16
    8.00  -75.80  181.11  -60.30  116.34
    9.00  -75.85  196.11  -60.25  124.15
   10.00  -76.02  211.11  -60.80  131.88
   11.00  -75.91  226.11  -61.56  139.67
   12.00  -75.57  241.11  -62.55  147.74
   13.00  -75.47  256.11  -64.19  155.72
   14.00  -75.70  271.11  -66.51  163.18
   15.00  -75.30  286.11  -68.70  171.66
   16.00  -75.17  301.11  -71.51  179.70
   17.00  -73.49  316.11  -73.73  192.93
   18.00  -73.29  331.11  -77.25  203.74
   19.00  -74.16  346.11  -81.53  211.30
   20.00  -73.57    1.11  -85.08  235.80
   21.00  -71.39   16.11  -85.19  305.67
   22.00  -70.51   31.11  -82.18  352.94
   23.00  -69.55   46.11  -77.36   15.06
</PRE>


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