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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>
01 Dec 1997 17:23:12 yearsecs  28920192
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.91  168.89  -50.74  105.93
    1.00  -65.60  183.89  -49.95  115.99
    2.00  -66.49  198.89  -50.93  126.02
    3.00  -67.37  213.89  -52.49  135.70
    4.00  -67.02  228.89  -53.40  145.64
    5.00  -67.73  243.89  -55.75  155.24
    6.00  -67.66  258.89  -57.76  165.39
    7.00  -67.74  273.89  -60.28  175.63
    8.00  -68.59  288.89  -63.87  184.99
    9.00  -68.67  303.89  -67.23  195.62
   10.00  -68.40  318.89  -70.66  208.04
   11.00  -68.19  333.89  -74.31  222.90
   12.00  -68.23  348.89  -78.01  242.23
   13.00  -68.49    3.89  -81.18  271.35
   14.00  -68.97   18.89  -82.40  314.86
   15.00  -69.68   33.89  -80.69  355.68
   16.00  -70.46   48.89  -77.44   21.78
   17.00  -70.92   63.89  -73.66   38.45
   18.00  -70.92   78.89  -69.66   50.41
   19.00  -70.33   93.89  -65.47   59.97
   20.00  -69.44  108.89  -61.39   68.82
   21.00  -68.57  123.89  -57.85   77.79
   22.00  -67.80  138.89  -55.04   86.96
   23.00  -66.93  153.89  -52.71   96.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.90  168.89  -57.79  108.59
    1.00  -73.92  183.89  -58.33  117.40
    2.00  -74.74  198.89  -59.16  125.66
    3.00  -79.17  213.89  -64.07  132.03
    4.00  -80.99  228.89  -66.63  137.07
    5.00  -81.34  243.89  -68.02  142.34
    6.00  -80.79  258.89  -68.96  148.76
    7.00  -80.10  273.89  -70.23  155.66
    8.00  -80.33  288.89  -72.46  160.09
    9.00  -80.26  303.89  -74.76  164.51
   10.00  -80.26  318.89  -77.28  167.39
   11.00  -80.23  333.89  -79.91  168.01
   12.00  -80.33  348.89  -82.43  162.86
   13.00  -80.10    3.89  -84.67  149.34
   14.00  -79.95   18.89  -85.47  117.62
   15.00  -79.70   33.89  -84.11   88.59
   16.00  -79.66   48.89  -81.38   78.53
   17.00  -79.41   63.89  -78.34   75.96
   18.00  -80.05   78.89  -75.58   81.25
   19.00  -80.00   93.89  -72.90   84.68
   20.00  -79.17  108.89  -69.95   87.21
   21.00  -77.48  123.89  -66.39   89.83
   22.00  -75.27  138.89  -62.49   93.98
   23.00  -73.78  153.89  -59.62  100.64
</PRE>


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