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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 00:41:41 yearsecs   4236101
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.39   66.93  -68.30   29.70
    1.00  -66.40   81.93  -64.44   43.25
    2.00  -67.14   96.93  -61.64   56.69
    3.00  -67.87  111.93  -59.24   68.81
    4.00  -67.42  126.93  -56.22   78.66
    5.00  -67.99  141.93  -54.90   89.10
    6.00  -67.83  156.93  -53.40   98.78
    7.00  -68.09  171.93  -52.80  108.66
    8.00  -68.99  186.93  -53.33  118.44
    9.00  -69.44  201.93  -53.94  127.81
   10.00  -69.22  216.93  -54.47  137.19
   11.00  -69.01  231.93  -55.56  146.74
   12.00  -69.03  246.93  -57.31  156.38
   13.00  -69.28  261.93  -59.64  165.97
   14.00  -69.75  276.93  -62.56  175.30
   15.00  -70.45  291.93  -66.06  184.17
   16.00  -71.12  306.93  -69.90  192.97
   17.00  -71.26  321.93  -73.62  203.54
   18.00  -71.41  336.93  -77.52  216.09
   19.00  -70.78  351.93  -80.84  237.62
   20.00  -69.96    6.93  -83.08  275.23
   21.00  -69.18   21.93  -82.36  324.33
   22.00  -68.54   36.93  -78.77  357.77
   23.00  -67.61   51.93  -73.76   16.69
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.02   66.93  -74.54   47.89
    1.00  -74.08   81.93  -71.53   61.04
    2.00  -74.83   96.93  -68.75   71.38
    3.00  -79.70  111.93  -69.90   89.60
    4.00  -81.40  126.93  -69.37   98.54
    5.00  -81.78  141.93  -68.33  104.23
    6.00  -81.23  156.93  -66.78  108.81
    7.00  -80.48  171.93  -65.33  114.05
    8.00  -80.42  186.93  -64.94  120.22
    9.00  -80.38  201.93  -64.96  126.47
   10.00  -80.14  216.93  -65.17  132.85
   11.00  -80.16  231.93  -66.04  139.09
   12.00  -80.35  246.93  -67.41  144.93
   13.00  -80.16  261.93  -68.80  151.10
   14.00  -79.96  276.93  -70.54  157.09
   15.00  -79.77  291.93  -72.62  162.75
   16.00  -79.58  306.93  -75.01  167.87
   17.00  -79.38  321.93  -77.66  172.08
   18.00  -80.32  336.93  -80.43  167.06
   19.00  -80.55  351.93  -82.78  159.25
   20.00  -79.86    6.93  -85.19  145.58
   21.00  -78.24   21.93  -86.99   98.87
   22.00  -75.71   36.93  -84.27   43.47
   23.00  -74.16   51.93  -79.42   41.92
</PRE>


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