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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 Apr 1997 02:17:10 yearsecs   9339430
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.02   36.33  -67.48  342.86
    1.00  -59.62   51.33  -64.18    2.41
    2.00  -60.22   66.33  -61.00   18.87
    3.00  -60.81   81.33  -58.15   33.91
    4.00  -60.22   96.33  -54.18   46.71
    5.00  -61.17  111.33  -52.31   60.72
    6.00  -62.51  126.33  -51.21   73.86
    7.00  -63.43  141.33  -50.27   85.55
    8.00  -63.56  156.33  -49.10   96.29
    9.00  -63.06  171.33  -47.75  106.75
   10.00  -62.64  186.33  -46.98  117.28
   11.00  -62.45  201.33  -47.05  127.82
   12.00  -62.49  216.33  -47.98  138.38
   13.00  -62.75  231.33  -49.66  148.97
   14.00  -63.23  246.33  -51.96  159.56
   15.00  -63.94  261.33  -54.81  170.07
   16.00  -64.87  276.33  -58.19  180.37
   17.00  -66.02  291.33  -62.16  190.25
   18.00  -66.07  306.33  -65.60  201.85
   19.00  -65.22  321.33  -68.59  216.37
   20.00  -63.62  336.33  -70.89  235.37
   21.00  -62.48  351.33  -73.09  258.42
   22.00  -60.84    6.33  -73.38  287.85
   23.00  -59.71   21.33  -71.49  318.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.95   36.33  -79.35  357.91
    1.00  -69.65   51.33  -76.00   21.83
    2.00  -70.55   66.33  -72.65   39.41
    3.00  -71.17   81.33  -69.26   52.83
    4.00  -72.88   96.33  -67.23   66.70
    5.00  -74.12  111.33  -65.35   77.75
    6.00  -74.12  126.33  -62.95   85.92
    7.00  -73.37  141.33  -60.36   93.29
    8.00  -73.76  156.33  -59.41  101.98
    9.00  -74.02  171.33  -58.81  110.45
   10.00  -73.78  186.33  -58.16  118.73
   11.00  -73.49  201.33  -57.96  127.11
   12.00  -73.28  216.33  -58.36  135.59
   13.00  -73.25  231.33  -59.45  144.11
   14.00  -73.21  246.33  -60.99  152.71
   15.00  -72.83  261.33  -62.64  161.81
   16.00  -72.91  276.33  -65.10  170.50
   17.00  -72.17  291.33  -67.32  180.76
   18.00  -71.97  306.33  -70.40  190.66
   19.00  -72.06  321.33  -74.03  200.77
   20.00  -71.51  336.33  -77.44  215.14
   21.00  -70.04  351.33  -80.11  239.80
   22.00  -69.89    6.33  -82.93  273.70
   23.00  -68.64   21.33  -81.82  321.85
</PRE>


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