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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>
16 Oct 1997 01:10:16 yearsecs  24887416
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.99   51.81  -68.43    7.44
    1.00  -64.21   66.81  -65.87   25.46
    2.00  -65.02   81.81  -62.97   40.72
    3.00  -67.64   96.81  -62.17   57.39
    4.00  -67.28  111.81  -58.66   67.98
    5.00  -67.98  126.81  -56.82   79.14
    6.00  -67.98  141.81  -54.90   89.01
    7.00  -68.44  156.81  -54.03   99.03
    8.00  -69.59  171.81  -54.32  109.08
    9.00  -69.90  186.81  -54.24  118.48
   10.00  -69.47  201.81  -53.96  127.74
   11.00  -69.09  216.81  -54.33  137.15
   12.00  -68.97  231.81  -55.51  146.68
   13.00  -69.11  246.81  -57.36  156.25
   14.00  -69.50  261.81  -59.82  165.67
   15.00  -70.14  276.81  -62.86  174.72
   16.00  -70.76  291.81  -66.28  183.57
   17.00  -70.85  306.81  -69.66  193.48
   18.00  -70.97  321.81  -73.38  204.25
   19.00  -70.27  336.81  -76.68  219.99
   20.00  -69.40  351.81  -79.69  243.07
   21.00  -68.61    6.81  -81.69  278.69
   22.00  -66.73   21.81  -79.62  321.41
   23.00  -64.62   36.81  -74.37  349.38
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.99   51.81  -74.19   17.53
    1.00  -69.21   66.81  -71.27   36.15
    2.00  -70.02   81.81  -68.09   50.49
    3.00  -76.32   96.81  -69.94   74.98
    4.00  -78.46  111.81  -68.96   86.63
    5.00  -78.86  126.81  -67.24   93.52
    6.00  -77.97  141.81  -64.79   98.64
    7.00  -76.66  156.81  -62.27  104.41
    8.00  -76.69  171.81  -61.49  111.91
    9.00  -76.84  186.81  -61.27  119.48
   10.00  -76.67  201.81  -61.17  127.00
   11.00  -76.83  216.81  -61.88  134.47
   12.00  -77.21  231.81  -63.23  141.64
   13.00  -77.06  246.81  -64.50  149.11
   14.00  -76.92  261.81  -66.17  156.60
   15.00  -76.77  276.81  -68.23  164.07
   16.00  -76.61  291.81  -70.67  171.46
   17.00  -76.44  306.81  -73.47  178.81
   18.00  -77.72  321.81  -77.17  179.86
   19.00  -78.08  336.81  -80.44  181.49
   20.00  -77.19  351.81  -83.76  189.15
   21.00  -75.06    6.81  -87.32  226.91
   22.00  -71.73   21.81  -85.15  330.37
   23.00  -69.62   36.81  -79.91    1.02
</PRE>


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