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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Jun 1997 11:53:49 yearsecs  15422029
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.73  256.05  -52.90  167.00
    1.00  -63.25  271.05  -55.81  177.87
    2.00  -63.79  286.05  -59.10  188.84
    3.00  -64.33  301.05  -62.82  200.06
    4.00  -64.04  316.05  -66.20  213.35
    5.00  -65.34  331.05  -71.16  226.09
    6.00  -65.68  346.05  -75.07  244.42
    7.00  -65.68    1.05  -77.95  271.06
    8.00  -66.32   16.05  -79.57  306.54
    9.00  -65.68   31.05  -76.92  340.69
   10.00  -65.26   46.05  -72.74    4.10
   11.00  -65.07   61.05  -68.41   21.21
   12.00  -65.10   76.05  -64.50   35.72
   13.00  -65.36   91.05  -61.12   49.16
   14.00  -65.84  106.05  -58.33   61.85
   15.00  -66.54  121.05  -56.25   73.71
   16.00  -67.47  136.05  -55.04   84.82
   17.00  -67.82  151.05  -53.85   94.93
   18.00  -67.53  166.05  -52.52  104.62
   19.00  -67.95  181.05  -52.37  114.52
   20.00  -66.63  196.05  -51.01  124.15
   21.00  -65.13  211.05  -50.15  134.24
   22.00  -64.13  226.05  -50.41  144.76
   23.00  -63.11  241.05  -51.16  155.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.90  256.05  -57.55  163.27
    1.00  -69.24  271.05  -61.09  172.02
    2.00  -70.38  286.05  -64.81  180.41
    3.00  -71.62  301.05  -68.95  187.97
    4.00  -74.90  316.05  -74.57  188.41
    5.00  -75.71  331.05  -78.47  192.97
    6.00  -75.29  346.05  -81.98  203.56
    7.00  -74.51    1.05  -85.58  225.02
    8.00  -75.77   16.05  -89.97  276.48
    9.00  -75.46   31.05  -85.83   36.49
   10.00  -75.61   46.05  -81.75   47.37
   11.00  -75.47   61.05  -77.69   54.47
   12.00  -75.09   76.05  -73.67   60.91
   13.00  -74.95   91.05  -70.10   68.54
   14.00  -75.19  106.05  -67.25   76.97
   15.00  -74.76  121.05  -64.32   84.01
   16.00  -74.61  136.05  -62.17   91.74
   17.00  -72.82  151.05  -58.89   98.31
   18.00  -72.53  166.05  -57.56  106.78
   19.00  -73.33  181.05  -57.79  115.67
   20.00  -72.56  196.05  -56.93  124.16
   21.00  -70.13  211.05  -54.99  133.33
   22.00  -69.13  226.05  -55.11  142.95
   23.00  -68.11  241.05  -55.75  153.13
</PRE>


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