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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>
08 Dec 1997 14:13:36 yearsecs  29513616
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.22  211.00  -51.20  134.02
    1.00  -66.27  226.00  -52.42  143.99
    2.00  -67.04  241.00  -54.77  153.71
    3.00  -67.81  256.00  -57.46  163.31
    4.00  -67.39  271.00  -59.47  173.98
    5.00  -68.02  286.00  -62.80  183.75
    6.00  -67.92  301.00  -65.93  194.74
    7.00  -68.25  316.00  -69.82  205.89
    8.00  -69.35  331.00  -74.49  216.82
    9.00  -69.82  346.00  -78.64  232.68
   10.00  -69.49    1.00  -81.69  261.07
   11.00  -69.19   16.00  -82.76  305.73
   12.00  -69.13   31.00  -80.77  347.77
   13.00  -69.32   46.00  -77.16   14.13
   14.00  -69.74   61.00  -73.38   32.21
   15.00  -70.40   76.00  -69.94   46.91
   16.00  -71.04   91.00  -66.80   59.38
   17.00  -71.15  106.00  -63.62   69.55
   18.00  -71.29  121.00  -61.02   79.13
   19.00  -70.63  136.00  -58.24   87.56
   20.00  -69.79  151.00  -55.85   96.14
   21.00  -68.98  166.00  -53.98  105.17
   22.00  -68.35  181.00  -52.77  114.57
   23.00  -67.44  196.00  -51.81  124.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.36  211.00  -57.18  132.80
    1.00  -73.46  226.00  -59.20  140.97
    2.00  -74.22  241.00  -61.30  148.85
    3.00  -79.28  256.00  -67.42  150.27
    4.00  -81.04  271.00  -70.51  152.46
    5.00  -81.43  286.00  -72.65  155.91
    6.00  -80.84  301.00  -74.52  161.65
    7.00  -79.95  316.00  -76.71  168.35
    8.00  -80.05  331.00  -79.40  169.26
    9.00  -80.02  346.00  -82.06  166.60
   10.00  -79.78    1.00  -84.56  156.11
   11.00  -79.80   16.00  -85.68  124.63
   12.00  -80.01   31.00  -84.32   94.73
   13.00  -79.81   46.00  -81.90   80.65
   14.00  -79.62   61.00  -78.95   76.96
   15.00  -79.42   76.00  -75.91   77.96
   16.00  -79.23   91.00  -72.98   81.24
   17.00  -79.02  106.00  -70.29   85.76
   18.00  -80.00  121.00  -68.92   93.52
   19.00  -80.24  136.00  -67.46   99.53
   20.00  -79.49  151.00  -65.48  104.48
   21.00  -77.81  166.00  -62.89  109.71
   22.00  -75.18  181.00  -59.67  116.11
   23.00  -73.56  196.00  -57.93  124.12
</PRE>


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