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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>
09 Jul 1997 23:07:42 yearsecs  16412862
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.09   81.74  -59.61   36.09
    1.00  -62.66   96.74  -56.89   50.12
    2.00  -63.23  111.74  -54.46   63.22
    3.00  -63.79  126.74  -52.50   75.24
    4.00  -63.36  141.74  -50.16   85.80
    5.00  -64.62  156.74  -50.15   97.07
    6.00  -65.13  171.74  -49.83  107.63
    7.00  -65.17  186.74  -49.50  117.86
    8.00  -65.58  201.74  -50.13  127.94
    9.00  -65.20  216.74  -50.61  138.07
   10.00  -64.78  231.74  -51.61  148.47
   11.00  -64.59  246.74  -53.27  159.09
   12.00  -64.62  261.74  -55.50  169.85
   13.00  -64.88  276.74  -58.28  180.65
   14.00  -65.37  291.74  -61.67  191.40
   15.00  -66.07  306.74  -65.71  202.17
   16.00  -67.00  321.74  -70.23  213.45
   17.00  -68.16  336.74  -75.00  226.18
   18.00  -68.18  351.74  -78.61  247.02
   19.00  -67.50    6.74  -80.52  280.87
   20.00  -66.11   21.74  -78.93  320.82
   21.00  -65.01   36.74  -74.86  349.87
   22.00  -63.75   51.74  -69.39    8.56
   23.00  -62.57   66.74  -63.90   22.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.56   81.74  -71.17   59.42
    1.00  -74.58   96.74  -68.59   70.71
    2.00  -75.52  111.74  -66.52   80.52
    3.00  -76.46  126.74  -65.09   89.50
    4.00  -78.76  141.74  -65.55   99.64
    5.00  -79.73  156.74  -65.32  107.15
    6.00  -79.38  171.74  -64.23  113.31
    7.00  -78.93  186.74  -63.41  119.82
    8.00  -79.41  201.74  -63.96  126.56
    9.00  -79.41  216.74  -64.44  133.17
   10.00  -79.34  231.74  -65.25  139.79
   11.00  -79.10  246.74  -66.30  146.58
   12.00  -78.72  261.74  -67.64  153.63
   13.00  -78.53  276.74  -69.52  160.35
   14.00  -78.56  291.74  -71.89  166.26
   15.00  -78.12  306.74  -74.34  173.18
   16.00  -77.93  321.74  -77.23  178.91
   17.00  -76.55  336.74  -80.11  190.94
   18.00  -76.30  351.74  -83.68  197.84
   19.00  -76.86    6.74  -87.32  184.52
   20.00  -76.34   21.74  -88.39   58.93
   21.00  -74.69   36.74  -83.96   32.78
   22.00  -74.18   51.74  -79.48   41.89
   23.00  -73.48   66.74  -74.94   49.46
</PRE>


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