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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>
05 May 1997 14:24:46 yearsecs  10765486
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.99  220.94  -49.81  141.25
    1.00  -65.16  235.94  -52.43  151.22
    2.00  -65.92  250.94  -55.05  161.22
    3.00  -67.83  265.94  -59.01  170.05
    4.00  -67.39  280.94  -61.27  180.97
    5.00  -67.99  295.94  -64.86  190.91
    6.00  -67.86  310.94  -68.24  202.53
    7.00  -68.16  325.94  -72.25  214.92
    8.00  -69.11  340.94  -76.82  228.48
    9.00  -69.52  355.94  -80.71  250.09
   10.00  -69.26   10.94  -82.74  289.41
   11.00  -69.02   25.94  -81.62  335.27
   12.00  -69.02   40.94  -78.24    5.89
   13.00  -69.25   55.94  -74.31   25.67
   14.00  -69.71   70.94  -70.62   41.02
   15.00  -70.40   85.94  -67.42   54.41
   16.00  -71.06  100.94  -64.58   66.10
   17.00  -71.18  115.94  -61.78   75.88
   18.00  -71.33  130.94  -59.59   85.20
   19.00  -70.69  145.94  -57.22   93.67
   20.00  -69.86  160.94  -55.18  102.39
   21.00  -69.08  175.94  -53.65  111.52
   22.00  -67.58  190.94  -51.89  120.86
   23.00  -65.55  205.94  -50.28  130.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.99  220.94  -54.55  139.78
    1.00  -70.16  235.94  -57.04  148.66
    2.00  -70.92  250.94  -59.52  157.45
    3.00  -76.93  265.94  -66.74  158.57
    4.00  -78.97  280.94  -70.45  161.01
    5.00  -79.35  295.94  -73.04  165.38
    6.00  -78.49  310.94  -75.30  173.21
    7.00  -77.23  325.94  -77.88  183.52
    8.00  -77.22  340.94  -81.24  187.83
    9.00  -77.37  355.94  -84.70  186.44
   10.00  -77.21   10.94  -87.98  162.85
   11.00  -77.38   25.94  -86.96   73.54
   12.00  -77.75   40.94  -83.39   64.98
   13.00  -77.62   55.94  -79.78   64.47
   14.00  -77.48   70.94  -76.22   68.03
   15.00  -77.34   85.94  -72.86   73.17
   16.00  -77.20  100.94  -69.82   79.09
   17.00  -77.04  115.94  -67.16   85.44
   18.00  -78.27  130.94  -66.22   94.26
   19.00  -78.61  145.94  -65.03  101.28
   20.00  -77.78  160.94  -63.13  107.30
   21.00  -75.75  175.94  -60.39  113.63
   22.00  -72.58  190.94  -56.91  121.21
   23.00  -70.55  205.94  -55.17  130.15
</PRE>


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