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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 11:25:52 yearsecs   4101952
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.84  261.76  -49.25  174.43
    1.00  -58.32  276.76  -52.32  186.30
    2.00  -58.80  291.76  -55.68  198.43
    3.00  -59.27  306.76  -59.48  211.00
    4.00  -59.17  321.76  -63.07  225.42
    5.00  -60.04  336.76  -67.55  241.19
    6.00  -61.70  351.76  -72.39  260.22
    7.00  -62.98    6.76  -75.72  286.92
    8.00  -62.96   21.76  -75.28  319.60
    9.00  -62.32   36.76  -71.60  346.40
   10.00  -61.90   51.76  -67.07    5.79
   11.00  -61.71   66.76  -62.82   21.40
   12.00  -61.75   81.76  -59.19   35.61
   13.00  -62.01   96.76  -56.15   49.30
   14.00  -62.49  111.76  -53.66   62.44
   15.00  -63.20  126.76  -51.87   74.75
   16.00  -64.13  141.76  -50.95   86.31
   17.00  -65.28  156.76  -50.82   97.40
   18.00  -65.43  171.76  -50.12  107.73
   19.00  -64.30  186.76  -48.63  117.77
   20.00  -62.66  201.76  -47.27  128.11
   21.00  -61.49  216.76  -47.06  138.89
   22.00  -59.75  231.76  -46.86  150.36
   23.00  -58.64  246.76  -47.70  162.21
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.92  261.76  -58.43  167.12
    1.00  -68.75  276.76  -61.66  176.44
    2.00  -69.64  291.76  -65.35  185.38
    3.00  -70.13  306.76  -69.09  194.94
    4.00  -71.34  321.76  -73.63  203.16
    5.00  -72.66  336.76  -78.30  210.93
    6.00  -72.52  351.76  -82.05  228.08
    7.00  -72.07    6.76  -85.11  264.77
    8.00  -72.44   21.76  -85.90  333.53
    9.00  -72.87   36.76  -82.83   17.53
   10.00  -72.52   51.76  -78.36   33.50
   11.00  -72.25   66.76  -73.99   45.10
   12.00  -72.08   81.76  -69.95   55.43
   13.00  -72.03   96.76  -66.38   65.21
   14.00  -72.07  111.76  -63.38   74.62
   15.00  -71.83  126.76  -60.67   83.27
   16.00  -72.14  141.76  -59.09   92.39
   17.00  -71.95  156.76  -57.56  101.03
   18.00  -71.58  171.76  -56.33  109.74
   19.00  -70.95  186.76  -55.29  118.58
   20.00  -70.40  201.76  -54.88  127.63
   21.00  -69.13  216.76  -54.37  137.11
   22.00  -69.04  231.76  -55.57  146.62
   23.00  -67.79  246.76  -56.17  157.12
</PRE>


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