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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
25 Feb 1997 16:33:46 yearsecs   4811626
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.43  186.27  -46.76  117.21
    1.00  -63.68  201.27  -48.25  127.72
    2.00  -64.50  216.27  -49.91  137.91
    3.00  -67.59  231.27  -54.17  146.97
    4.00  -67.25  246.27  -55.62  157.14
    5.00  -67.97  261.27  -58.40  166.74
    6.00  -67.99  276.27  -60.92  177.00
    7.00  -68.47  291.27  -64.27  186.84
    8.00  -69.73  306.27  -68.66  195.38
    9.00  -70.47  321.27  -72.88  205.14
   10.00  -70.51  336.27  -76.71  218.63
   11.00  -69.84  351.27  -79.93  240.51
   12.00  -69.54    6.27  -82.57  274.64
   13.00  -69.54   21.27  -82.83  322.89
   14.00  -69.83   36.27  -80.26    0.81
   15.00  -70.38   51.27  -76.70   24.26
   16.00  -70.90   66.27  -72.98   40.41
   17.00  -70.75   81.27  -68.90   51.78
   18.00  -71.06   96.27  -65.60   62.99
   19.00  -70.34  111.27  -61.81   71.71
   20.00  -69.43  126.27  -58.36   80.27
   21.00  -68.57  141.27  -55.55   89.11
   22.00  -66.27  156.27  -51.87   97.55
   23.00  -64.10  171.27  -48.80  107.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.43  186.27  -51.76  117.82
    1.00  -68.68  201.27  -53.16  127.46
    2.00  -69.50  216.27  -54.70  136.70
    3.00  -75.96  231.27  -62.01  142.30
    4.00  -78.16  246.27  -65.41  147.57
    5.00  -78.56  261.27  -67.45  153.70
    6.00  -77.65  276.27  -68.81  162.03
    7.00  -76.30  291.27  -70.36  171.97
    8.00  -76.26  306.27  -73.25  179.12
    9.00  -76.12  321.27  -76.40  186.54
   10.00  -75.76  336.27  -79.73  195.29
   11.00  -75.94  351.27  -83.49  201.01
   12.00  -76.39    6.27  -87.34  195.67
   13.00  -76.28   21.27  -88.52   57.93
   14.00  -76.16   36.27  -84.54   48.28
   15.00  -76.03   51.27  -80.50   52.86
   16.00  -75.90   66.27  -76.58   59.08
   17.00  -75.75   81.27  -72.87   65.84
   18.00  -77.12   96.27  -70.64   76.86
   19.00  -77.51  111.27  -68.29   84.32
   20.00  -76.64  126.27  -65.32   89.56
   21.00  -74.57  141.27  -61.55   94.47
   22.00  -71.27  156.27  -56.92  100.32
   23.00  -69.10  171.27  -53.84  108.57
</PRE>


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