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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 Mar 1997 00:29:35 yearsecs   6481775
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.26   66.85  -67.07   27.41
    1.00  -66.10   81.85  -64.13   42.63
    2.00  -66.90   96.85  -61.41   56.25
    3.00  -67.71  111.85  -59.09   68.54
    4.00  -67.32  126.85  -56.13   78.51
    5.00  -67.99  141.85  -54.91   89.05
    6.00  -67.95  156.85  -53.53   98.80
    7.00  -68.36  171.85  -53.08  108.69
    8.00  -69.55  186.85  -53.88  118.46
    9.00  -69.77  201.85  -54.26  127.74
   10.00  -69.49  216.85  -54.73  137.06
   11.00  -69.14  231.85  -55.67  146.63
   12.00  -69.04  246.85  -57.31  156.32
   13.00  -69.20  261.85  -59.56  165.99
   14.00  -69.60  276.85  -62.42  175.44
   15.00  -70.25  291.85  -65.88  184.45
   16.00  -70.88  306.85  -69.69  193.44
   17.00  -70.98  321.85  -73.39  204.25
   18.00  -71.10  336.85  -77.29  217.16
   19.00  -70.42  351.85  -80.54  239.07
   20.00  -69.56    6.85  -82.67  276.25
   21.00  -68.76   21.85  -81.90  323.51
   22.00  -68.14   36.85  -78.37  356.52
   23.00  -66.69   51.85  -72.78   14.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.26   66.85  -72.25   39.04
    1.00  -71.39   81.85  -69.33   53.75
    2.00  -72.13   96.85  -66.45   65.48
    3.00  -77.77  111.85  -68.40   85.13
    4.00  -79.68  126.85  -67.95   95.05
    5.00  -80.03  141.85  -66.73  101.46
    6.00  -79.21  156.85  -64.81  106.69
    7.00  -77.98  171.85  -62.80  112.58
    8.00  -77.82  186.85  -62.27  119.67
    9.00  -78.25  201.85  -62.79  126.79
   10.00  -78.46  216.85  -63.49  133.72
   11.00  -78.54  231.85  -64.50  140.56
   12.00  -78.85  246.85  -66.08  146.96
   13.00  -78.69  261.85  -67.62  153.74
   14.00  -78.53  276.85  -69.53  160.40
   15.00  -78.36  291.85  -71.80  166.86
   16.00  -78.19  306.85  -74.39  172.97
   17.00  -78.00  321.85  -77.28  178.59
   18.00  -79.11  336.85  -80.51  174.88
   19.00  -79.39  351.85  -83.31  168.52
   20.00  -78.61    6.85  -86.26  156.38
   21.00  -76.64   21.85  -88.23   68.49
   22.00  -73.57   36.85  -83.30   22.92
   23.00  -71.69   51.85  -77.68   29.97
</PRE>


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