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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>
29 May 1997 12:55:52 yearsecs  12833752
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.73  241.40  -50.85  156.24
    1.00  -63.98  256.40  -54.10  166.42
    2.00  -64.81  271.40  -57.27  176.77
    3.00  -67.39  286.40  -62.34  184.87
    4.00  -67.26  301.40  -65.47  196.10
    5.00  -68.29  316.40  -69.95  206.16
    6.00  -68.74  331.40  -74.12  218.86
    7.00  -69.96  346.40  -78.85  232.72
    8.00  -70.04    1.40  -82.27  259.91
    9.00  -69.76   16.40  -83.39  306.98
   10.00  -69.11   31.40  -80.67  348.60
   11.00  -68.57   46.40  -76.30   12.36
   12.00  -68.34   61.40  -71.88   28.76
   13.00  -68.39   76.40  -67.90   42.51
   14.00  -68.72   91.40  -64.50   55.13
   15.00  -69.33  106.40  -61.78   66.96
   16.00  -69.93  121.40  -59.61   77.70
   17.00  -69.98  136.40  -57.54   87.21
   18.00  -70.07  151.40  -56.10   96.58
   19.00  -69.31  166.40  -54.30  105.56
   20.00  -68.50  181.40  -52.91  114.85
   21.00  -67.76  196.40  -52.13  124.39
   22.00  -66.49  211.40  -51.48  134.25
   23.00  -64.36  226.40  -50.66  144.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.73  241.40  -55.44  153.59
    1.00  -68.98  256.40  -58.56  162.60
    2.00  -69.81  271.40  -61.64  171.60
    3.00  -76.19  286.40  -69.41  169.89
    4.00  -78.35  301.40  -73.46  170.47
    5.00  -78.76  316.40  -76.44  173.71
    6.00  -77.74  331.40  -79.21  182.51
    7.00  -76.67  346.40  -82.43  193.15
    8.00  -76.86    1.40  -86.06  190.48
    9.00  -76.96   16.40  -88.74  121.33
   10.00  -76.76   31.40  -85.85   56.36
   11.00  -76.89   46.40  -82.00   57.48
   12.00  -77.25   61.40  -78.37   63.75
   13.00  -77.08   76.40  -74.79   68.40
   14.00  -76.91   91.40  -71.46   74.13
   15.00  -76.73  106.40  -68.47   80.44
   16.00  -76.56  121.40  -65.92   87.10
   17.00  -76.37  136.40  -63.82   94.05
   18.00  -77.64  151.40  -63.64  102.68
   19.00  -77.94  166.40  -63.00  109.99
   20.00  -76.99  181.40  -61.51  116.81
   21.00  -74.84  196.40  -59.23  124.32
   22.00  -71.49  211.40  -56.33  133.25
   23.00  -69.36  226.40  -55.35  143.08
</PRE>


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