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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>
30 Jun 1997 11:29:04 yearsecs  15593344
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.56  261.64  -48.00  175.08
    1.00  -58.01  276.64  -52.01  186.43
    2.00  -58.93  291.64  -55.78  198.21
    3.00  -67.07  306.64  -66.54  200.48
    4.00  -67.59  321.64  -70.69  212.17
    5.00  -68.25  336.64  -75.05  225.82
    6.00  -68.32  351.64  -78.71  246.43
    7.00  -68.11    6.64  -81.15  279.36
    8.00  -68.41   21.64  -81.53  322.46
    9.00  -68.58   36.64  -78.88  357.35
   10.00  -68.39   51.64  -74.66   18.40
   11.00  -68.63   66.64  -70.73   34.49
   12.00  -68.94   81.64  -67.10   47.99
   13.00  -68.99   96.64  -63.56   59.51
   14.00  -68.85  111.64  -60.27   69.88
   15.00  -68.70  126.64  -57.57   79.75
   16.00  -68.56  141.64  -55.50   89.34
   17.00  -68.35  156.64  -53.95   98.87
   18.00  -69.74  171.64  -54.48  109.02
   19.00  -70.00  186.64  -54.34  118.38
   20.00  -68.74  201.64  -53.23  127.68
   21.00  -65.96  216.64  -51.32  137.83
   22.00  -61.61  231.64  -48.62  149.61
   23.00  -58.78  246.64  -47.82  162.06
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.56  261.64  -52.70  171.99
    1.00  -63.01  276.64  -56.59  182.35
    2.00  -63.93  291.64  -60.37  193.05
    3.00  -72.07  306.64  -70.54  190.64
    4.00  -74.80  321.64  -75.81  191.84
    5.00  -75.16  336.64  -79.58  198.77
    6.00  -74.47  351.64  -83.10  214.10
    7.00  -73.11    6.64  -86.00  255.91
    8.00  -73.41   21.64  -86.89  340.08
    9.00  -73.58   36.64  -83.36   22.67
   10.00  -73.39   51.64  -79.01   37.61
   11.00  -73.63   66.64  -75.07   49.92
   12.00  -74.13   81.64  -71.64   61.01
   13.00  -73.99   96.64  -68.12   69.31
   14.00  -73.85  111.64  -65.05   77.46
   15.00  -73.70  126.64  -62.51   85.53
   16.00  -73.56  141.64  -60.52   93.65
   17.00  -73.35  156.64  -58.98  101.87
   18.00  -74.74  171.64  -59.53  110.93
   19.00  -75.00  186.64  -59.40  119.09
   20.00  -73.74  201.64  -58.21  127.26
   21.00  -70.96  216.64  -56.12  136.51
   22.00  -66.61  231.64  -53.30  147.64
   23.00  -63.78  246.64  -52.51  159.48
</PRE>


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