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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>
17 Jan 1997 19:25:54 yearsecs   1452354
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.82  145.21  -52.34   89.79
    1.00  -65.45  160.21  -50.76   99.84
    2.00  -66.36  175.21  -50.93  110.32
    3.00  -67.28  190.21  -51.59  120.37
    4.00  -66.95  205.21  -51.61  130.13
    5.00  -67.68  220.21  -53.24  139.72
    6.00  -67.64  235.21  -54.64  149.54
    7.00  -67.68  250.21  -56.54  159.50
    8.00  -68.51  265.21  -59.49  168.90
    9.00  -68.54  280.21  -62.13  179.05
   10.00  -68.25  295.21  -64.92  189.98
   11.00  -68.05  310.21  -68.23  201.59
   12.00  -68.09  325.21  -72.01  214.39
   13.00  -68.34  340.21  -76.02  229.83
   14.00  -68.83  355.21  -79.94  251.19
   15.00  -69.53   10.21  -82.97  286.56
   16.00  -70.33   25.21  -83.16  336.81
   17.00  -70.86   40.21  -80.22   11.71
   18.00  -70.82   55.21  -75.99   30.02
   19.00  -70.24   70.21  -71.32   41.83
   20.00  -69.33   85.21  -66.59   51.60
   21.00  -68.45  100.21  -62.22   61.22
   22.00  -67.66  115.21  -58.41   70.86
   23.00  -66.80  130.21  -55.11   80.31
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.73  145.21  -62.30   97.73
    1.00  -76.45  160.21  -61.84  105.94
    2.00  -77.19  175.21  -61.87  113.83
    3.00  -80.90  190.21  -65.42  121.65
    4.00  -82.49  205.21  -67.19  127.23
    5.00  -82.83  220.21  -67.98  132.25
    6.00  -82.44  235.21  -68.38  137.76
    7.00  -81.99  250.21  -69.09  143.53
    8.00  -82.26  265.21  -70.72  147.73
    9.00  -82.28  280.21  -72.38  151.83
   10.00  -82.39  295.21  -74.28  154.71
   11.00  -82.43  310.21  -76.28  156.50
   12.00  -82.68  325.21  -78.28  155.18
   13.00  -82.69  340.21  -80.15  151.77
   14.00  -82.50  355.21  -81.84  144.68
   15.00  -82.18   10.21  -83.07  131.31
   16.00  -82.04   25.21  -83.02  112.87
   17.00  -81.74   40.21  -81.88   97.16
   18.00  -82.10   55.21  -79.65   92.28
   19.00  -81.94   70.21  -77.41   89.28
   20.00  -81.18   85.21  -74.87   87.04
   21.00  -79.71  100.21  -71.69   85.68
   22.00  -77.86  115.21  -67.96   86.75
   23.00  -76.55  130.21  -64.73   91.30
</PRE>


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