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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>
16 Aug 1997 17:10:28 yearsecs  19674628
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.75  175.91  -51.30  110.89
    1.00  -66.85  190.91  -51.17  120.79
    2.00  -67.66  205.91  -52.33  130.50
    3.00  -68.46  220.91  -54.04  139.93
    4.00  -68.11  235.91  -55.15  149.76
    5.00  -68.76  250.91  -57.59  159.18
    6.00  -68.69  265.91  -59.76  169.19
    7.00  -69.00  280.91  -62.65  178.95
    8.00  -69.95  295.91  -66.49  187.71
    9.00  -70.84  310.91  -70.62  196.38
   10.00  -71.05  325.91  -74.46  207.35
   11.00  -70.49  340.91  -77.88  223.78
   12.00  -70.27  355.91  -81.35  246.97
   13.00  -70.32   10.91  -83.86  287.06
   14.00  -70.62   25.91  -83.34  339.87
   15.00  -71.17   40.91  -80.30   14.18
   16.00  -71.70   55.91  -76.54   33.99
   17.00  -71.74   70.91  -72.46   46.67
   18.00  -71.81   85.91  -68.70   57.60
   19.00  -71.11  100.91  -64.64   66.17
   20.00  -70.23  115.91  -60.85   74.57
   21.00  -69.38  130.91  -57.65   83.19
   22.00  -68.73  145.91  -55.24   92.21
   23.00  -67.88  160.91  -53.18  101.41
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.36  175.91  -57.97  112.78
    1.00  -74.42  190.91  -58.77  121.33
    2.00  -75.15  205.91  -59.75  129.37
    3.00  -79.93  220.91  -65.15  134.67
    4.00  -81.59  235.91  -67.64  139.08
    5.00  -81.97  250.91  -69.14  143.80
    6.00  -81.43  265.91  -70.20  149.87
    7.00  -80.61  280.91  -71.50  156.77
    8.00  -80.71  295.91  -73.70  160.85
    9.00  -80.72  310.91  -76.05  164.11
   10.00  -80.63  325.91  -78.52  166.00
   11.00  -80.89  340.91  -80.96  162.42
   12.00  -81.01  355.91  -83.04  152.76
   13.00  -80.76   10.91  -84.56  133.80
   14.00  -80.53   25.91  -84.44  105.87
   15.00  -80.31   40.91  -82.61   87.13
   16.00  -80.09   55.91  -79.95   80.05
   17.00  -79.87   70.91  -77.03   79.12
   18.00  -80.74   85.91  -74.60   85.45
   19.00  -80.94  100.91  -72.33   89.62
   20.00  -80.22  115.91  -69.74   92.22
   21.00  -78.60  130.91  -66.52   94.78
   22.00  -76.08  145.91  -62.58   98.44
   23.00  -74.48  160.91  -59.82  104.98
</PRE>


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