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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 16:32:33 yearsecs   4120353
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.73  186.44  -50.06  117.72
    1.00  -65.31  201.44  -49.86  127.76
    2.00  -66.26  216.44  -51.60  137.63
    3.00  -67.19  231.44  -53.82  147.26
    4.00  -66.89  246.44  -55.32  157.49
    5.00  -67.64  261.44  -58.14  167.15
    6.00  -67.62  276.44  -60.63  177.54
    7.00  -67.64  291.44  -63.59  188.16
    8.00  -68.45  306.44  -67.65  197.94
    9.00  -68.44  321.44  -71.34  210.17
   10.00  -68.15  336.44  -74.92  225.86
   11.00  -67.93  351.44  -78.32  247.26
   12.00  -67.96    6.44  -80.98  279.16
   13.00  -68.22   21.44  -81.34  321.71
   14.00  -68.70   36.44  -79.06  357.37
   15.00  -69.41   51.44  -75.74   21.20
   16.00  -70.22   66.44  -72.33   38.57
   17.00  -70.80   81.44  -68.91   52.03
   18.00  -70.74   96.44  -65.27   62.50
   19.00  -70.17  111.44  -61.61   71.58
   20.00  -69.24  126.44  -58.14   80.18
   21.00  -68.34  141.44  -55.31   89.05
   22.00  -67.54  156.44  -53.14   98.31
   23.00  -66.68  171.44  -51.40  107.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.54  186.44  -55.89  118.47
    1.00  -72.59  201.44  -57.05  127.26
    2.00  -73.46  216.44  -58.54  135.59
    3.00  -78.06  231.44  -64.01  140.78
    4.00  -80.06  246.44  -67.11  145.16
    5.00  -80.40  261.44  -68.93  150.44
    6.00  -79.76  276.44  -70.34  157.39
    7.00  -79.04  291.44  -72.13  164.76
    8.00  -79.29  306.44  -74.81  168.81
    9.00  -79.13  321.44  -77.51  173.19
   10.00  -79.14  336.44  -80.43  174.65
   11.00  -79.01  351.44  -83.37  172.09
   12.00  -79.18    6.44  -85.74  151.77
   13.00  -78.95   21.44  -86.36  106.54
   14.00  -78.86   36.44  -84.10   78.24
   15.00  -78.61   51.44  -80.94   70.64
   16.00  -78.65   66.44  -77.64   72.33
   17.00  -78.40   81.44  -74.38   75.26
   18.00  -79.03   96.44  -71.90   82.40
   19.00  -78.91  111.44  -69.37   87.53
   20.00  -78.01  126.44  -66.53   91.88
   21.00  -76.19  141.44  -63.11   96.32
   22.00  -73.96  156.44  -59.61  102.18
   23.00  -72.42  171.44  -57.18  109.87
</PRE>


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