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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 Jul 1997 13:51:52 yearsecs  18193912
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.10  231.09  -52.77  147.48
    1.00  -66.24  246.09  -54.69  157.65
    2.00  -67.01  261.09  -57.52  167.45
    3.00  -67.77  276.09  -60.70  177.12
    4.00  -67.33  291.09  -63.25  188.34
    5.00  -67.92  306.09  -67.13  198.60
    6.00  -67.76  321.09  -70.70  211.30
    7.00  -68.07  336.09  -74.76  225.67
    8.00  -68.91  351.09  -79.10  243.60
    9.00  -69.24    6.09  -82.24  275.04
   10.00  -69.01   21.09  -82.26  321.59
   11.00  -68.82   36.09  -79.27  357.07
   12.00  -68.85   51.09  -75.28   19.07
   13.00  -69.11   66.09  -71.36   35.22
   14.00  -69.59   81.09  -67.87   48.97
   15.00  -70.30   96.09  -64.94   61.44
   16.00  -71.00  111.09  -62.48   72.56
   17.00  -71.21  126.09  -60.16   82.14
   18.00  -71.34  141.09  -58.37   91.28
   19.00  -70.72  156.09  -56.38   99.87
   20.00  -69.88  171.09  -54.64  108.72
   21.00  -69.08  186.09  -53.42  117.92
   22.00  -68.41  201.09  -52.89  127.36
   23.00  -67.36  216.09  -52.63  137.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.10  231.09  -57.42  145.16
    1.00  -72.21  246.09  -60.06  153.42
    2.00  -72.99  261.09  -62.74  161.48
    3.00  -78.28  276.09  -69.24  160.62
    4.00  -80.17  291.09  -72.71  161.24
    5.00  -80.55  306.09  -75.22  163.87
    6.00  -79.87  321.09  -77.60  169.57
    7.00  -79.11  336.09  -80.36  174.90
    8.00  -79.05  351.09  -83.29  171.93
    9.00  -79.05    6.09  -85.80  153.70
   10.00  -78.88   21.09  -86.45  107.20
   11.00  -78.92   36.09  -84.14   79.16
   12.00  -79.17   51.09  -81.00   74.60
   13.00  -78.98   66.09  -77.80   73.99
   14.00  -78.82   81.09  -74.66   76.79
   15.00  -78.63   96.09  -71.71   81.08
   16.00  -78.50  111.09  -69.10   86.43
   17.00  -78.30  126.09  -66.83   92.22
   18.00  -79.29  141.09  -66.11  100.09
   19.00  -79.49  156.09  -65.13  106.63
   20.00  -78.67  171.09  -63.53  112.60
   21.00  -76.84  186.09  -61.28  119.11
   22.00  -74.10  201.09  -58.56  126.91
   23.00  -72.36  216.09  -57.45  135.75
</PRE>


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