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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 Feb 1997 11:26:09 yearsecs   4101969
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.84  261.69  -49.24  174.37
    1.00  -58.32  276.69  -52.31  186.24
    2.00  -58.80  291.69  -55.67  198.37
    3.00  -59.27  306.69  -59.46  210.93
    4.00  -59.17  321.69  -63.05  225.35
    5.00  -60.04  336.69  -67.53  241.10
    6.00  -61.70  351.69  -72.37  260.10
    7.00  -62.98    6.69  -75.71  286.76
    8.00  -62.96   21.69  -75.29  319.45
    9.00  -62.32   36.69  -71.61  346.29
   10.00  -61.90   51.69  -67.09    5.70
   11.00  -61.71   66.69  -62.84   21.32
   12.00  -61.75   81.69  -59.21   35.54
   13.00  -62.01   96.69  -56.17   49.24
   14.00  -62.49  111.69  -53.68   62.38
   15.00  -63.20  126.69  -51.89   74.70
   16.00  -64.13  141.69  -50.96   86.25
   17.00  -65.28  156.69  -50.83   97.35
   18.00  -65.43  171.69  -50.12  107.68
   19.00  -64.30  186.69  -48.63  117.72
   20.00  -62.66  201.69  -47.27  128.06
   21.00  -61.49  216.69  -47.06  138.83
   22.00  -59.75  231.69  -46.85  150.31
   23.00  -58.64  246.69  -47.69  162.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.93  261.69  -58.43  167.06
    1.00  -68.76  276.69  -61.66  176.38
    2.00  -69.65  291.69  -65.34  185.31
    3.00  -70.14  306.69  -69.08  194.86
    4.00  -71.36  321.69  -73.63  203.06
    5.00  -72.68  336.69  -78.29  210.80
    6.00  -72.54  351.69  -82.05  227.87
    7.00  -72.08    6.69  -85.11  264.42
    8.00  -72.46   21.69  -85.92  333.28
    9.00  -72.88   36.69  -82.86   17.49
   10.00  -72.53   51.69  -78.39   33.48
   11.00  -72.26   66.69  -74.01   45.07
   12.00  -72.09   81.69  -69.98   55.40
   13.00  -72.03   96.69  -66.40   65.18
   14.00  -72.08  111.69  -63.40   74.58
   15.00  -71.84  126.69  -60.69   83.23
   16.00  -72.14  141.69  -59.11   92.35
   17.00  -71.95  156.69  -57.57  100.99
   18.00  -71.59  171.69  -56.34  109.70
   19.00  -70.95  186.69  -55.29  118.54
   20.00  -70.40  201.69  -54.88  127.59
   21.00  -69.13  216.69  -54.37  137.06
   22.00  -69.05  231.69  -55.57  146.57
   23.00  -67.79  246.69  -56.16  157.07
</PRE>


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