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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>
26 Aug 1997 21:50:04 yearsecs  20555404
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.25  102.26  -59.55   59.50
    1.00  -66.15  117.26  -56.50   70.59
    2.00  -66.94  132.26  -54.97   81.83
    3.00  -67.71  147.26  -54.08   92.39
    4.00  -67.29  162.26  -52.49  102.03
    5.00  -67.90  177.26  -52.41  112.06
    6.00  -67.76  192.26  -52.08  121.73
    7.00  -67.94  207.26  -52.66  131.33
    8.00  -68.87  222.26  -54.54  140.65
    9.00  -69.08  237.26  -56.19  150.11
   10.00  -68.91  252.26  -57.91  159.95
   11.00  -68.72  267.26  -60.00  170.07
   12.00  -68.75  282.26  -62.69  180.19
   13.00  -69.01  297.26  -66.01  190.23
   14.00  -69.49  312.26  -69.90  200.34
   15.00  -70.20  327.26  -74.19  210.95
   16.00  -70.91  342.26  -78.53  223.75
   17.00  -71.17  357.26  -82.40  245.31
   18.00  -71.27   12.26  -84.97  289.64
   19.00  -70.66   27.26  -83.13  343.85
   20.00  -69.82   42.26  -78.68   10.63
   21.00  -69.01   57.26  -73.70   26.36
   22.00  -68.32   72.26  -68.92   38.81
   23.00  -67.41   87.26  -64.18   49.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.84  102.26  -65.94   70.21
    1.00  -73.89  117.26  -64.12   80.63
    2.00  -74.65  132.26  -62.67   89.78
    3.00  -79.41  147.26  -65.68  102.81
    4.00  -81.16  162.26  -66.42  110.76
    5.00  -81.53  177.26  -66.25  116.77
    6.00  -80.96  192.26  -65.48  122.48
    7.00  -80.16  207.26  -64.86  128.76
    8.00  -80.31  222.26  -65.59  134.97
    9.00  -80.31  237.26  -66.56  141.12
   10.00  -80.37  252.26  -67.94  146.99
   11.00  -80.57  267.26  -69.73  152.22
   12.00  -80.62  282.26  -71.69  157.17
   13.00  -80.36  297.26  -73.75  162.42
   14.00  -80.15  312.26  -76.12  166.78
   15.00  -79.91  327.26  -78.72  169.93
   16.00  -79.75  342.26  -81.47  169.79
   17.00  -79.52  357.26  -84.18  162.92
   18.00  -80.33   12.26  -85.05  132.43
   19.00  -80.45   27.26  -84.39  103.26
   20.00  -79.69   42.26  -82.65   81.49
   21.00  -78.02   57.26  -79.55   67.20
   22.00  -75.52   72.26  -74.88   60.50
   23.00  -73.90   87.26  -70.13   63.68
</PRE>


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