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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>
20 May 1997 18:06:33 yearsecs  12074793
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.44  156.75  -50.98   97.46
    1.00  -66.45  171.75  -51.16  108.03
    2.00  -67.20  186.75  -51.53  118.10
    3.00  -67.95  201.75  -52.46  127.81
    4.00  -67.51  216.75  -52.82  137.52
    5.00  -68.10  231.75  -54.69  147.05
    6.00  -67.96  246.75  -56.32  157.00
    7.00  -68.24  261.75  -58.71  166.82
    8.00  -69.23  276.75  -62.07  175.84
    9.00  -69.65  291.75  -65.35  185.36
   10.00  -69.52  306.75  -68.59  196.15
   11.00  -69.22  321.75  -72.04  208.65
   12.00  -69.19  336.75  -75.83  223.30
   13.00  -69.41  351.75  -79.68  242.93
   14.00  -69.86    6.75  -82.95  275.02
   15.00  -70.53   21.75  -83.87  326.37
   16.00  -71.18   36.75  -81.43    7.50
   17.00  -71.30   51.75  -77.39   28.27
   18.00  -71.45   66.75  -73.33   42.49
   19.00  -70.80   81.75  -68.83   52.25
   20.00  -69.98   96.75  -64.48   61.31
   21.00  -69.19  111.75  -60.59   70.42
   22.00  -68.55  126.75  -57.40   79.66
   23.00  -66.83  141.75  -53.73   88.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.44  156.75  -56.05  100.11
    1.00  -71.58  171.75  -56.33  109.73
    2.00  -72.35  186.75  -56.71  118.76
    3.00  -77.96  201.75  -62.48  126.78
    4.00  -79.87  216.75  -64.90  132.92
    5.00  -80.26  231.75  -66.12  138.92
    6.00  -79.52  246.75  -66.67  146.03
    7.00  -78.41  261.75  -67.38  154.17
    8.00  -78.38  276.75  -69.41  160.68
    9.00  -78.24  291.75  -71.70  167.16
   10.00  -78.45  306.75  -74.50  171.99
   11.00  -78.78  321.75  -77.48  174.93
   12.00  -78.84  336.75  -80.48  176.59
   13.00  -78.62  351.75  -83.54  175.43
   14.00  -78.43    6.75  -86.39  158.70
   15.00  -78.24   21.75  -87.01   99.54
   16.00  -78.06   36.75  -84.31   69.81
   17.00  -77.87   51.75  -80.82   65.47
   18.00  -78.98   66.75  -77.66   74.09
   19.00  -79.27   81.75  -74.73   78.73
   20.00  -78.48   96.75  -71.49   80.87
   21.00  -76.63  111.75  -67.48   82.70
   22.00  -73.69  126.75  -62.48   85.57
   23.00  -71.83  141.75  -58.79   92.11
</PRE>


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