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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 Apr 1997 16:16:32 yearsecs   7834592
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.12  190.54  -49.44  120.42
    1.00  -65.32  205.54  -50.03  130.51
    2.00  -66.30  220.54  -51.96  140.34
    3.00  -67.29  235.54  -54.35  149.93
    4.00  -67.10  250.54  -56.05  160.14
    5.00  -68.01  265.54  -59.10  169.61
    6.00  -68.24  280.54  -61.93  179.65
    7.00  -68.99  295.54  -65.62  189.04
    8.00  -70.56  310.54  -70.32  196.75
    9.00  -71.68  325.54  -74.82  205.12
   10.00  -71.53  340.54  -78.53  219.32
   11.00  -70.53  355.54  -81.49  245.07
   12.00  -69.94   10.54  -83.43  286.70
   13.00  -69.70   25.54  -82.43  335.87
   14.00  -69.79   40.54  -79.12    7.91
   15.00  -70.20   55.54  -75.33   28.22
   16.00  -70.64   70.54  -71.60   43.18
   17.00  -70.58   85.54  -67.69   54.51
   18.00  -70.57  100.54  -64.21   64.97
   19.00  -69.75  115.54  -60.45   73.69
   20.00  -68.75  130.54  -57.06   82.34
   21.00  -67.79  145.54  -54.33   91.31
   22.00  -67.11  160.54  -52.42  100.80
   23.00  -66.26  175.54  -50.82  110.51
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.78  190.54  -59.15  121.16
    1.00  -75.90  205.54  -60.49  129.03
    2.00  -76.72  220.54  -61.98  136.38
    3.00  -81.11  235.54  -67.17  139.51
    4.00  -82.68  250.54  -69.69  142.37
    5.00  -83.13  265.54  -71.34  145.71
    6.00  -82.80  280.54  -72.70  150.32
    7.00  -82.27  295.54  -74.28  155.21
    8.00  -82.54  310.54  -76.33  156.06
    9.00  -82.77  325.54  -78.31  154.68
   10.00  -82.90  340.54  -80.09  150.50
   11.00  -82.71  355.54  -81.70  143.41
   12.00  -82.64   10.54  -82.61  130.08
   13.00  -82.29   25.54  -82.76  113.23
   14.00  -81.95   40.54  -81.70   98.19
   15.00  -81.63   55.54  -79.74   89.44
   16.00  -81.31   70.54  -77.32   86.16
   17.00  -81.00   85.54  -74.75   86.36
   18.00  -81.67  100.54  -72.79   91.89
   19.00  -81.76  115.54  -70.92   95.96
   20.00  -81.01  130.54  -68.68   98.94
   21.00  -79.42  145.54  -65.84  102.12
   22.00  -76.97  160.54  -62.35  106.49
   23.00  -75.66  175.54  -60.31  113.38
</PRE>


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