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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 May 1997 02:24:02 yearsecs  12882242
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.91   33.85  -73.01  342.36
    1.00  -64.02   48.85  -70.51    5.51
    2.00  -64.85   63.85  -67.40   23.66
    3.00  -67.46   78.85  -66.32   42.63
    4.00  -67.09   93.85  -62.29   54.19
    5.00  -67.77  108.85  -59.74   66.48
    6.00  -67.68  123.85  -56.96   76.83
    7.00  -67.78  138.85  -55.03   86.92
    8.00  -68.52  153.85  -54.33   97.16
    9.00  -68.79  168.85  -53.65  106.91
   10.00  -68.52  183.85  -52.89  116.42
   11.00  -68.33  198.85  -52.75  125.94
   12.00  -68.37  213.85  -53.44  135.45
   13.00  -68.63  228.85  -54.89  144.94
   14.00  -69.11  243.85  -56.99  154.33
   15.00  -69.82  258.85  -59.65  163.44
   16.00  -70.58  273.85  -62.71  172.24
   17.00  -70.99  288.85  -65.86  181.26
   18.00  -71.01  303.85  -69.10  191.10
   19.00  -70.42  318.85  -72.23  203.34
   20.00  -69.54  333.85  -75.36  219.17
   21.00  -68.68  348.85  -78.39  240.75
   22.00  -66.33    3.85  -78.99  276.03
   23.00  -64.29   18.85  -77.11  313.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.91   33.85  -78.82  350.36
    1.00  -69.02   48.85  -76.08   16.87
    2.00  -69.85   63.85  -72.69   35.20
    3.00  -75.64   78.85  -73.37   64.26
    4.00  -77.89   93.85  -71.63   78.03
    5.00  -78.14  108.85  -69.17   84.69
    6.00  -77.55  123.85  -66.46   89.93
    7.00  -76.69  138.85  -63.87   95.65
    8.00  -77.06  153.85  -62.89  103.30
    9.00  -77.07  168.85  -62.01  110.64
   10.00  -77.10  183.85  -61.58  118.06
   11.00  -77.12  198.85  -61.58  125.47
   12.00  -77.43  213.85  -62.33  132.75
   13.00  -77.26  228.85  -63.05  140.16
   14.00  -77.18  243.85  -64.29  147.54
   15.00  -76.98  258.85  -65.84  155.07
   16.00  -76.99  273.85  -67.94  162.22
   17.00  -76.79  288.85  -70.26  169.65
   18.00  -77.63  303.85  -73.54  173.75
   19.00  -77.58  318.85  -76.50  179.50
   20.00  -76.51  333.85  -79.42  190.05
   21.00  -74.31  348.85  -82.31  212.72
   22.00  -71.33    3.85  -83.91  260.15
   23.00  -69.29   18.85  -82.76  314.93
</PRE>


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