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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>
19 Aug 1997 18:14:52 yearsecs  19937692
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.39  156.84  -51.95   97.99
    1.00  -67.34  171.84  -52.05  108.36
    2.00  -68.21  186.84  -52.53  118.28
    3.00  -69.07  201.84  -53.56  127.79
    4.00  -68.83  216.84  -54.09  137.24
    5.00  -69.60  231.84  -56.09  146.39
    6.00  -69.73  246.84  -57.93  155.81
    7.00  -70.30  261.84  -60.53  164.88
    8.00  -71.70  276.84  -64.18  172.61
    9.00  -71.75  291.84  -67.08  181.86
   10.00  -71.18  306.84  -69.92  192.78
   11.00  -70.70  321.84  -73.19  204.98
   12.00  -70.45  336.84  -76.82  219.41
   13.00  -70.45  351.84  -80.56  238.91
   14.00  -70.70    6.84  -83.81  272.19
   15.00  -71.20   21.84  -84.57  328.54
   16.00  -71.68   36.84  -81.85   10.26
   17.00  -71.66   51.84  -77.66   29.80
   18.00  -71.62   66.84  -73.45   43.12
   19.00  -70.95   81.84  -68.94   52.68
   20.00  -70.26   96.84  -64.73   61.89
   21.00  -69.58  111.84  -60.96   71.01
   22.00  -69.04  126.84  -57.88   80.23
   23.00  -67.51  141.84  -54.42   88.69
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.39  156.84  -57.00  100.73
    1.00  -72.69  171.84  -57.44  110.21
    2.00  -73.60  186.84  -57.97  118.99
    3.00  -78.93  201.84  -63.48  126.68
    4.00  -80.80  216.84  -65.82  132.43
    5.00  -81.31  231.84  -67.11  137.88
    6.00  -80.81  246.84  -67.80  144.23
    7.00  -80.01  261.84  -68.67  151.35
    8.00  -80.09  276.84  -70.61  156.74
    9.00  -80.11  291.84  -72.78  161.69
   10.00  -79.97  306.84  -75.14  166.33
   11.00  -80.14  321.84  -77.78  168.29
   12.00  -80.33  336.84  -80.41  167.02
   13.00  -80.11  351.84  -83.00  162.64
   14.00  -79.92    6.84  -85.12  145.34
   15.00  -79.76   21.84  -85.52  109.98
   16.00  -79.61   36.84  -83.67   84.75
   17.00  -78.81   51.84  -80.85   72.01
   18.00  -79.22   66.84  -77.70   75.32
   19.00  -78.83   81.84  -74.52   77.06
   20.00  -78.42   96.84  -71.43   80.72
   21.00  -76.77  111.84  -67.58   83.03
   22.00  -74.10  126.84  -62.86   86.17
   23.00  -72.51  141.84  -59.46   92.78
</PRE>


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