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    <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>
21 Sep 1997 17:25:44 yearsecs  22785944
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00   62.90  168.00   66.81   94.64
    1.00   63.62  183.00   68.05  111.78
    2.00   64.37  198.00   69.12  130.21
    3.00   65.11  213.00   69.70  150.00
    4.00   64.86  228.00   68.52  169.51
    5.00   66.04  243.00   67.77  189.49
    6.00   66.31  258.00   65.48  206.48
    7.00   66.18  273.00   62.54  220.94
    8.00   66.87  288.00   60.49  234.20
    9.00   66.37  303.00   57.59  245.63
   10.00   65.93  318.00   55.17  256.31
   11.00   65.73  333.00   53.67  266.43
   12.00   65.77  348.00   53.28  276.22
   13.00   66.02    3.00   54.07  286.08
   14.00   66.51   18.00   55.91  296.36
   15.00   67.21   33.00   58.58  307.33
   16.00   68.14   48.00   61.81  319.16
   17.00   68.61   63.00   64.69  332.42
   18.00   68.65   78.00   67.04  347.50
   19.00   68.52   93.00   68.90    4.19
   20.00   67.30  108.00   69.24   23.15
   21.00   66.10  123.00   69.00   42.14
   22.00   64.65  138.00   68.01   60.60
   23.00   63.34  153.00   66.92   77.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00   67.90  168.00   72.53   94.17
    1.00   69.12  183.00   74.22  113.22
    2.00   70.18  198.00   75.36  134.36
    3.00   72.63  213.00   77.12  159.56
    4.00   75.59  228.00   78.10  187.22
    5.00   76.42  243.00   76.55  206.04
    6.00   75.51  258.00   73.44  217.85
    7.00   74.60  273.00   70.24  228.71
    8.00   75.44  288.00   68.79  240.56
    9.00   75.01  303.00   66.46  250.05
   10.00   75.29  318.00   65.31  259.43
   11.00   75.18  333.00   64.27  268.13
   12.00   75.06  348.00   63.83  276.69
   13.00   74.93    3.00   64.01  285.39
   14.00   75.16   18.00   65.17  294.40
   15.00   74.81   33.00   66.22  304.22
   16.00   74.88   48.00   68.12  314.73
   17.00   73.61   63.00   69.09  327.87
   18.00   73.65   78.00   71.34  341.34
   19.00   74.13   93.00   73.85  355.49
   20.00   73.34  108.00   75.00   13.79
   21.00   71.10  123.00   74.20   36.18
   22.00   69.65  138.00   73.54   56.67
   23.00   68.34  153.00   72.62   75.95
</PRE>


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