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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>
09 May 1997 22:02:36 yearsecs  11138556
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.77   96.54  -60.31   54.29
    1.00  -65.88  111.54  -57.28   66.06
    2.00  -66.73  126.54  -55.57   77.73
    3.00  -67.59  141.54  -54.53   88.54
    4.00  -67.27  156.54  -52.86   98.23
    5.00  -68.02  171.54  -52.75  108.38
    6.00  -68.09  186.54  -52.42  118.08
    7.00  -68.65  201.54  -53.14  127.63
    8.00  -70.04  216.54  -55.23  136.72
    9.00  -70.47  231.54  -56.87  145.77
   10.00  -69.88  246.54  -58.02  155.51
   11.00  -69.35  261.54  -59.65  165.64
   12.00  -69.13  276.54  -61.95  175.82
   13.00  -69.20  291.54  -64.93  185.93
   14.00  -69.53  306.54  -68.56  195.97
   15.00  -70.13  321.54  -72.69  206.22
   16.00  -70.73  336.54  -76.94  218.16
   17.00  -70.79  351.54  -80.76  236.91
   18.00  -70.89    6.54  -83.95  270.42
   19.00  -70.18   21.54  -83.51  324.89
   20.00  -69.29   36.54  -79.65  359.42
   21.00  -68.47   51.54  -74.77   18.51
   22.00  -67.86   66.54  -69.98   32.56
   23.00  -66.96   81.54  -65.13   43.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.20   96.54  -65.67   63.44
    1.00  -72.35  111.54  -63.68   74.92
    2.00  -73.15  126.54  -61.99   84.76
    3.00  -78.54  141.54  -65.36   99.26
    4.00  -80.41  156.54  -66.00  107.77
    5.00  -80.82  171.54  -65.70  114.11
    6.00  -80.18  186.54  -64.70  120.00
    7.00  -79.22  201.54  -63.77  126.50
    8.00  -79.31  216.54  -64.33  133.14
    9.00  -79.24  231.54  -65.14  139.79
   10.00  -79.07  246.54  -66.25  146.54
   11.00  -79.10  261.54  -67.92  152.89
   12.00  -79.33  276.54  -70.05  158.46
   13.00  -79.13  291.54  -72.20  164.55
   14.00  -78.93  306.54  -74.67  170.21
   15.00  -78.72  321.54  -77.43  175.15
   16.00  -78.52  336.54  -80.42  178.63
   17.00  -78.31  351.54  -83.57  178.39
   18.00  -79.36    6.54  -85.59  149.98
   19.00  -79.62   21.54  -85.68  110.05
   20.00  -78.83   36.54  -84.09   77.91
   21.00  -77.03   51.54  -80.73   59.65
   22.00  -74.22   66.54  -75.50   52.15
   23.00  -72.48   81.54  -70.35   56.33
</PRE>


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