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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>
27 Jul 1997 19:30:00 yearsecs  17955000
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.76  136.59  -53.22   83.84
    1.00  -65.28  151.59  -51.22   93.84
    2.00  -66.35  166.59  -51.29  104.53
    3.00  -67.41  181.59  -51.81  114.77
    4.00  -67.24  196.59  -51.62  124.51
    5.00  -68.13  211.59  -53.08  134.07
    6.00  -68.26  226.59  -54.34  143.65
    7.00  -68.34  241.59  -56.02  153.35
    8.00  -69.22  256.59  -58.80  162.52
    9.00  -69.31  271.59  -61.24  172.31
   10.00  -69.09  286.59  -63.83  182.69
   11.00  -68.56  301.59  -66.61  194.11
   12.00  -68.40  316.59  -70.09  206.08
   13.00  -68.50  331.59  -73.98  219.67
   14.00  -68.85  346.59  -78.00  236.82
   15.00  -69.44    1.59  -81.75  262.67
   16.00  -70.20   16.59  -83.87  307.65
   17.00  -70.82   31.59  -82.37  355.42
   18.00  -70.59   46.59  -78.21   19.47
   19.00  -69.91   61.59  -73.37   33.28
   20.00  -68.88   76.59  -68.33   43.76
   21.00  -68.07   91.59  -63.80   54.10
   22.00  -67.29  106.59  -59.71   64.19
   23.00  -66.54  121.59  -56.15   74.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.79  136.59  -60.33   90.05
    1.00  -73.71  151.59  -59.73   99.31
    2.00  -74.52  166.59  -59.54  108.09
    3.00  -78.60  181.59  -63.15  117.39
    4.00  -80.52  196.59  -65.04  124.24
    5.00  -80.82  211.59  -65.65  130.30
    6.00  -80.22  226.59  -65.75  136.83
    7.00  -79.62  241.59  -66.29  143.73
    8.00  -79.93  256.59  -68.02  149.43
    9.00  -79.75  271.59  -69.68  155.62
   10.00  -79.85  286.59  -71.85  160.75
   11.00  -79.69  301.59  -74.15  165.98
   12.00  -79.76  316.59  -76.77  169.34
   13.00  -79.58  331.59  -79.50  171.98
   14.00  -79.55  346.59  -82.31  169.90
   15.00  -79.34    1.59  -84.96  159.11
   16.00  -79.50   16.59  -86.00  122.99
   17.00  -79.33   31.59  -84.72   88.14
   18.00  -79.73   46.59  -81.81   79.85
   19.00  -79.65   61.59  -78.83   77.19
   20.00  -78.70   76.59  -75.52   75.03
   21.00  -76.93   91.59  -71.43   74.28
   22.00  -74.96  106.59  -66.96   76.79
   23.00  -73.53  121.59  -63.09   82.50
</PRE>


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