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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>
26 Oct 1997 22:57:44 yearsecs  25829864
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.44   85.40  -52.95   33.46
    1.00  -57.58  100.40  -50.25   47.43
    2.00  -57.67  115.40  -47.73   60.89
    3.00  -57.70  130.40  -45.53   73.51
    4.00  -57.65  145.40  -43.83   85.36
    5.00  -57.91  160.40  -43.02   97.04
    6.00  -59.25  175.40  -43.74  108.77
    7.00  -60.18  190.40  -44.53  119.96
    8.00  -61.24  205.40  -46.05  130.78
    9.00  -61.09  220.40  -46.98  141.60
   10.00  -61.05  235.40  -48.53  152.58
   11.00  -61.16  250.40  -50.62  163.70
   12.00  -61.44  265.40  -53.21  174.96
   13.00  -61.89  280.40  -56.28  186.30
   14.00  -62.53  295.40  -59.91  197.67
   15.00  -63.35  310.40  -64.17  209.27
   16.00  -64.36  325.40  -68.86  221.87
   17.00  -65.57  340.40  -73.66  236.83
   18.00  -65.88  355.40  -77.20  259.47
   19.00  -64.55   10.40  -77.61  293.63
   20.00  -62.87   25.40  -74.65  326.96
   21.00  -61.61   40.40  -69.78  350.98
   22.00  -59.71   55.40  -63.19    7.01
   23.00  -58.50   70.40  -57.68   20.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.77   85.40  -71.23   65.00
    1.00  -75.63  100.40  -68.69   75.05
    2.00  -76.44  115.40  -66.72   84.05
    3.00  -76.94  130.40  -65.06   91.96
    4.00  -77.65  145.40  -64.16   99.90
    5.00  -78.45  160.40  -63.83  107.58
    6.00  -78.77  175.40  -63.48  114.62
    7.00  -77.89  190.40  -62.32  121.37
    8.00  -77.79  205.40  -62.39  128.56
    9.00  -77.98  220.40  -63.20  135.63
   10.00  -77.49  235.40  -63.79  143.15
   11.00  -77.14  250.40  -64.96  150.76
   12.00  -76.90  265.40  -66.65  158.35
   13.00  -76.70  280.40  -68.76  165.91
   14.00  -76.65  295.40  -71.36  173.02
   15.00  -76.45  310.40  -74.21  180.40
   16.00  -76.70  325.40  -77.57  185.82
   17.00  -76.87  340.40  -81.04  190.11
   18.00  -76.59  355.40  -84.61  195.43
   19.00  -75.85   10.40  -88.46  209.31
   20.00  -75.63   25.40  -87.44   34.89
   21.00  -75.05   40.40  -83.09   39.32
   22.00  -75.22   55.40  -79.05   50.06
   23.00  -74.57   70.40  -74.73   55.85
</PRE>


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