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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>
12 May 1997 21:22:44 yearsecs  11395364
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.09  106.10  -57.54   60.94
    1.00  -65.30  121.10  -54.96   72.49
    2.00  -66.30  136.10  -53.83   83.92
    3.00  -67.31  151.10  -53.33   94.67
    4.00  -67.16  166.10  -52.15  104.51
    5.00  -68.14  181.10  -52.55  114.59
    6.00  -68.48  196.10  -52.85  124.20
    7.00  -69.40  211.10  -54.29  133.51
    8.00  -71.24  226.10  -57.10  142.09
    9.00  -72.90  241.10  -60.11  149.95
   10.00  -71.43  256.10  -60.67  160.18
   11.00  -70.33  271.10  -62.03  170.79
   12.00  -69.69  286.10  -64.24  181.48
   13.00  -69.45  301.10  -67.23  192.20
   14.00  -69.55  316.10  -70.89  203.21
   15.00  -69.98  331.10  -75.00  215.14
   16.00  -70.44  346.10  -79.15  230.45
   17.00  -70.40    1.10  -82.54  257.65
   18.00  -70.40   16.10  -84.11  305.83
   19.00  -69.60   31.10  -81.24  349.49
   20.00  -68.61   46.10  -76.42   12.07
   21.00  -67.65   61.10  -71.26   26.78
   22.00  -67.08   76.10  -66.63   39.51
   23.00  -66.23   91.10  -62.03   50.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.47  106.10  -62.95   68.52
    1.00  -71.70  121.10  -61.41   79.73
    2.00  -72.56  136.10  -60.16   89.53
    3.00  -78.17  151.10  -64.19  103.09
    4.00  -80.12  166.10  -65.21  111.40
    5.00  -80.57  181.10  -65.19  117.86
    6.00  -79.95  196.10  -64.45  124.05
    7.00  -79.00  211.10  -63.80  130.85
    8.00  -79.14  226.10  -64.67  137.48
    9.00  -79.18  241.10  -65.84  144.04
   10.00  -78.93  256.10  -67.14  150.88
   11.00  -78.91  271.10  -69.00  157.21
   12.00  -79.10  286.10  -71.32  162.64
   13.00  -78.86  301.10  -73.67  168.69
   14.00  -78.62  316.10  -76.34  174.24
   15.00  -78.38  331.10  -79.28  178.84
   16.00  -78.15  346.10  -82.44  181.19
   17.00  -77.90    1.10  -85.69  175.88
   18.00  -78.97   16.10  -86.58  124.45
   19.00  -79.22   31.10  -84.87   87.81
   20.00  -78.38   46.10  -82.14   69.45
   21.00  -76.47   61.10  -78.14   59.55
   22.00  -73.56   76.10  -72.56   55.88
   23.00  -71.78   91.10  -67.44   61.01
</PRE>


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