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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>
19 Feb 1997 00:43:20 yearsecs   4236200
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.39   66.51  -68.42   29.30
    1.00  -66.40   81.51  -64.54   42.89
    2.00  -67.14   96.51  -61.74   56.37
    3.00  -67.88  111.51  -59.32   68.52
    4.00  -67.42  126.51  -56.28   78.37
    5.00  -67.99  141.51  -54.94   88.83
    6.00  -67.83  156.51  -53.43   98.51
    7.00  -68.09  171.51  -52.82  108.39
    8.00  -68.99  186.51  -53.33  118.18
    9.00  -69.44  201.51  -53.92  127.56
   10.00  -69.22  216.51  -54.44  136.93
   11.00  -69.01  231.51  -55.52  146.47
   12.00  -69.03  246.51  -57.25  156.11
   13.00  -69.28  261.51  -59.58  165.69
   14.00  -69.75  276.51  -62.48  175.03
   15.00  -70.45  291.51  -65.97  183.89
   16.00  -71.12  306.51  -69.80  192.68
   17.00  -71.26  321.51  -73.51  203.21
   18.00  -71.41  336.51  -77.42  215.67
   19.00  -70.78  351.51  -80.74  236.94
   20.00  -69.96    6.51  -83.02  273.98
   21.00  -69.18   21.51  -82.40  323.09
   22.00  -68.54   36.51  -78.88  357.03
   23.00  -67.61   51.51  -73.88   16.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.00   66.51  -74.64   47.54
    1.00  -74.07   81.51  -71.62   60.74
    2.00  -74.81   96.51  -68.82   71.12
    3.00  -79.69  111.51  -69.95   89.42
    4.00  -81.38  126.51  -69.40   98.37
    5.00  -81.77  141.51  -68.35  104.06
    6.00  -81.21  156.51  -66.79  108.64
    7.00  -80.45  171.51  -65.32  113.86
    8.00  -80.40  186.51  -64.93  120.04
    9.00  -80.36  201.51  -64.94  126.30
   10.00  -80.13  216.51  -65.14  132.68
   11.00  -80.15  231.51  -65.99  138.94
   12.00  -80.34  246.51  -67.37  144.79
   13.00  -80.15  261.51  -68.74  150.96
   14.00  -79.96  276.51  -70.48  156.96
   15.00  -79.76  291.51  -72.55  162.64
   16.00  -79.57  306.51  -74.93  167.78
   17.00  -79.37  321.51  -77.58  172.04
   18.00  -80.32  336.51  -80.36  167.16
   19.00  -80.55  351.51  -82.73  159.58
   20.00  -79.85    6.51  -85.15  146.43
   21.00  -78.23   21.51  -87.05  100.34
   22.00  -75.70   36.51  -84.38   43.14
   23.00  -74.14   51.51  -79.53   41.53
</PRE>


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