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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>
21 Jan 1997 18:37:27 yearsecs   1795047
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.52  156.78  -44.91   94.90
    1.00  -60.17  171.78  -44.80  106.30
    2.00  -60.82  186.78  -45.15  117.39
    3.00  -61.47  201.78  -46.11  128.18
    4.00  -60.66  216.78  -46.26  139.07
    5.00  -61.66  231.78  -48.68  149.70
    6.00  -62.85  246.78  -51.68  160.09
    7.00  -63.61  261.78  -54.59  170.64
    8.00  -64.01  276.78  -57.51  181.53
    9.00  -63.37  291.78  -59.90  193.79
   10.00  -62.98  306.78  -62.95  206.62
   11.00  -62.77  321.78  -66.49  220.72
   12.00  -62.80  336.78  -70.23  237.26
   13.00  -63.06  351.78  -73.76  258.27
   14.00  -63.55    6.78  -76.33  286.40
   15.00  -64.25   21.78  -76.78  320.03
   16.00  -65.18   36.78  -75.05  350.20
   17.00  -66.34   51.78  -72.41   13.52
   18.00  -66.34   66.78  -68.29   29.45
   19.00  -65.62   81.78  -63.63   41.71
   20.00  -64.03   96.78  -58.39   51.99
   21.00  -62.90  111.78  -54.11   62.90
   22.00  -61.31  126.78  -49.88   73.24
   23.00  -60.17  141.78  -46.82   83.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.88  156.78  -58.50  101.64
    1.00  -73.52  171.78  -58.29  110.50
    2.00  -74.37  186.78  -58.75  119.07
    3.00  -75.03  201.78  -59.51  127.19
    4.00  -76.68  216.78  -61.73  134.51
    5.00  -77.76  231.78  -63.75  141.18
    6.00  -77.85  246.78  -65.19  148.18
    7.00  -77.35  261.78  -66.52  155.91
    8.00  -77.84  276.78  -69.02  161.87
    9.00  -77.97  291.78  -71.54  167.91
   10.00  -77.81  306.78  -74.19  174.26
   11.00  -77.59  321.78  -77.12  180.44
   12.00  -77.27  336.78  -80.30  186.59
   13.00  -77.12  351.78  -83.75  189.80
   14.00  -76.94    6.78  -87.30  182.70
   15.00  -76.48   21.78  -88.33   63.51
   16.00  -76.37   36.78  -84.44   50.76
   17.00  -75.47   51.78  -80.14   49.54
   18.00  -75.24   66.78  -76.08   56.47
   19.00  -75.42   81.78  -72.53   65.01
   20.00  -74.93   96.78  -68.86   71.54
   21.00  -73.63  111.78  -64.83   77.17
   22.00  -73.49  126.78  -62.28   85.33
   23.00  -72.46  141.78  -59.42   92.70
</PRE>


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