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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>
06 Jan 1997 16:32:57 yearsecs    491577
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.79  183.57  -50.15  115.80
    1.00  -65.89  198.57  -50.33  125.82
    2.00  -66.73  213.57  -51.85  135.62
    3.00  -67.57  228.57  -53.89  145.20
    4.00  -67.23  243.57  -55.25  155.33
    5.00  -67.94  258.57  -57.96  164.93
    6.00  -67.95  273.57  -60.40  175.17
    7.00  -68.42  288.57  -63.66  185.01
    8.00  -69.66  303.57  -67.97  193.57
    9.00  -70.37  318.57  -72.13  203.23
   10.00  -70.61  333.57  -76.10  215.57
   11.00  -69.94  348.57  -79.36  235.89
   12.00  -69.62    3.57  -82.25  266.99
   13.00  -69.61   18.57  -83.13  314.24
   14.00  -69.88   33.57  -80.97  355.76
   15.00  -70.42   48.57  -77.51   21.27
   16.00  -70.97   63.57  -73.79   38.33
   17.00  -71.01   78.57  -69.83   50.41
   18.00  -71.09   93.57  -66.24   61.22
   19.00  -70.36  108.57  -62.36   69.98
   20.00  -69.46  123.57  -58.81   78.56
   21.00  -68.60  138.57  -55.89   87.39
   22.00  -67.88  153.57  -53.71   96.62
   23.00  -66.99  168.57  -51.84  106.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.85  183.57  -55.23  116.64
    1.00  -72.01  198.57  -56.41  125.63
    2.00  -72.81  213.57  -57.75  134.16
    3.00  -78.30  228.57  -64.03  139.24
    4.00  -80.20  243.57  -66.98  143.80
    5.00  -80.61  258.57  -68.78  148.97
    6.00  -79.95  273.57  -70.08  155.91
    7.00  -78.95  288.57  -71.61  163.98
    8.00  -79.02  303.57  -74.18  168.93
    9.00  -79.02  318.57  -76.94  173.08
   10.00  -78.84  333.57  -79.84  176.46
   11.00  -78.84  348.57  -82.86  174.86
   12.00  -79.09    3.57  -85.43  158.30
   13.00  -78.89   18.57  -86.60  115.67
   14.00  -78.70   33.57  -84.74   79.41
   15.00  -78.50   48.57  -81.58   70.09
   16.00  -78.31   63.57  -78.18   69.98
   17.00  -78.10   78.57  -74.83   73.18
   18.00  -79.18   93.57  -72.49   81.90
   19.00  -79.44  108.57  -70.20   87.77
   20.00  -78.65  123.57  -67.46   91.79
   21.00  -76.81  138.57  -64.02   95.67
   22.00  -73.95  153.57  -59.81  100.58
   23.00  -72.17  168.57  -57.07  108.09
</PRE>


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