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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>
08 Jun 1997 12:35:33 yearsecs  13696533
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.54  246.15  -46.55  162.25
    1.00  -57.72  261.15  -49.03  174.02
    2.00  -57.86  276.15  -51.77  186.14
    3.00  -57.95  291.15  -54.76  198.67
    4.00  -57.99  306.15  -58.10  211.78
    5.00  -58.38  321.15  -62.14  225.71
    6.00  -59.89  336.15  -67.26  240.62
    7.00  -60.45  351.15  -71.01  260.84
    8.00  -60.91    6.15  -73.44  287.44
    9.00  -60.82   21.15  -72.84  318.00
   10.00  -60.83   36.15  -69.88  344.04
   11.00  -60.97   51.15  -66.04    3.84
   12.00  -61.27   66.15  -62.41   20.15
   13.00  -61.74   81.15  -59.32   35.04
   14.00  -62.39   96.15  -56.71   49.26
   15.00  -63.22  111.15  -54.56   62.73
   16.00  -64.24  126.15  -53.06   75.19
   17.00  -65.46  141.15  -52.39   86.76
   18.00  -65.77  156.15  -51.36   97.22
   19.00  -64.51  171.15  -49.22  107.04
   20.00  -62.87  186.15  -47.20  117.18
   21.00  -61.63  201.15  -46.23  127.72
   22.00  -59.75  216.15  -45.33  138.79
   23.00  -58.56  231.15  -45.64  150.31
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.40  246.15  -58.44  154.88
    1.00  -71.26  261.15  -61.26  163.45
    2.00  -72.07  276.15  -64.37  171.65
    3.00  -72.43  291.15  -67.48  180.16
    4.00  -73.09  306.15  -71.17  187.88
    5.00  -74.32  321.15  -75.42  193.31
    6.00  -74.51  336.15  -79.17  201.85
    7.00  -73.79  351.15  -82.65  218.84
    8.00  -73.61    6.15  -86.29  248.77
    9.00  -74.12   21.15  -87.64  346.04
   10.00  -73.71   36.15  -83.58   23.03
   11.00  -73.47   51.15  -79.20   37.59
   12.00  -73.36   66.15  -75.00   48.58
   13.00  -73.27   81.15  -71.08   58.22
   14.00  -73.37   96.15  -67.70   67.65
   15.00  -73.27  111.15  -64.61   76.20
   16.00  -73.71  126.15  -62.58   85.26
   17.00  -73.99  141.15  -61.00   93.81
   18.00  -73.64  156.15  -59.31  101.80
   19.00  -72.67  171.15  -57.45  109.80
   20.00  -72.26  186.15  -56.62  118.40
   21.00  -71.38  201.15  -55.83  127.19
   22.00  -71.40  216.15  -56.52  136.08
   23.00  -70.38  231.15  -56.75  145.57
</PRE>


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