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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>
09 Aug 1997 11:50:20 yearsecs  19050620
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.74  256.80  -54.84  166.19
    1.00  -64.16  271.80  -56.75  177.66
    2.00  -65.19  286.80  -60.49  187.86
    3.00  -66.22  301.80  -64.66  198.01
    4.00  -66.03  316.80  -68.15  210.78
    5.00  -67.02  331.80  -72.80  223.46
    6.00  -67.13  346.80  -76.56  242.11
    7.00  -67.00    1.80  -79.39  270.07
    8.00  -67.66   16.80  -81.05  308.38
    9.00  -67.29   31.80  -78.60  344.95
   10.00  -66.88   46.80  -74.38    8.48
   11.00  -66.69   61.80  -70.03   25.28
   12.00  -66.72   76.80  -66.07   39.42
   13.00  -66.98   91.80  -62.66   52.41
   14.00  -67.47  106.80  -59.84   64.59
   15.00  -68.18  121.80  -57.79   75.97
   16.00  -69.11  136.80  -56.61   86.69
   17.00  -70.09  151.80  -56.08   96.84
   18.00  -69.88  166.80  -54.85  106.05
   19.00  -69.33  181.80  -53.74  115.27
   20.00  -68.26  196.80  -52.64  124.64
   21.00  -67.25  211.80  -52.24  134.37
   22.00  -66.27  226.80  -52.49  144.54
   23.00  -65.41  241.80  -53.37  155.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.89  256.80  -61.17  160.15
    1.00  -72.94  271.80  -64.36  167.81
    2.00  -73.96  286.80  -67.82  174.72
    3.00  -77.53  301.80  -73.09  173.26
    4.00  -79.75  316.80  -76.81  169.44
    5.00  -80.35  331.80  -79.54  167.47
    6.00  -79.68  346.80  -82.31  168.82
    7.00  -79.09    1.80  -85.16  161.21
    8.00  -79.52   16.80  -85.98  122.41
    9.00  -79.22   31.80  -84.76   86.87
   10.00  -79.40   46.80  -81.85   77.30
   11.00  -79.10   61.80  -78.73   74.06
   12.00  -79.08   76.80  -75.63   76.69
   13.00  -78.81   91.80  -72.59   80.13
   14.00  -78.79  106.80  -69.99   85.46
   15.00  -78.45  121.80  -67.52   90.69
   16.00  -78.58  136.80  -65.86   97.25
   17.00  -78.05  151.80  -64.01  103.28
   18.00  -78.25  166.80  -63.29  110.38
   19.00  -77.99  181.80  -62.52  117.30
   20.00  -77.06  196.80  -61.49  124.47
   21.00  -75.19  211.80  -60.01  132.49
   22.00  -73.57  226.80  -59.37  141.36
   23.00  -72.31  241.80  -59.65  150.81
</PRE>


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