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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>
31 May 1997 02:12:59 yearsecs  12967979
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.46   36.49  -73.06  347.29
    1.00  -63.57   51.49  -69.24    7.97
    2.00  -64.30   66.49  -66.05   25.28
    3.00  -65.02   81.49  -63.04   40.43
    4.00  -64.77   96.49  -59.25   52.78
    5.00  -65.96  111.49  -57.37   66.12
    6.00  -66.24  126.49  -55.07   77.23
    7.00  -66.10  141.49  -53.01   87.44
    8.00  -66.75  156.49  -52.34   97.94
    9.00  -66.26  171.49  -50.97  107.79
   10.00  -65.84  186.49  -50.17  117.77
   11.00  -65.65  201.49  -50.19  127.77
   12.00  -65.69  216.49  -51.06  137.79
   13.00  -65.94  231.49  -52.67  147.82
   14.00  -66.43  246.49  -54.90  157.81
   15.00  -67.13  261.49  -57.69  167.62
   16.00  -68.07  276.49  -61.03  177.06
   17.00  -69.15  291.49  -64.89  185.96
   18.00  -69.10  306.49  -68.19  196.76
   19.00  -68.46  321.49  -71.37  210.17
   20.00  -67.22  336.49  -74.15  228.25
   21.00  -66.16  351.49  -76.70  251.93
   22.00  -65.05    6.49  -77.92  284.04
   23.00  -63.99   21.49  -76.51  319.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.11   36.49  -81.44    6.69
    1.00  -72.24   51.49  -78.23   31.97
    2.00  -73.24   66.49  -74.83   48.38
    3.00  -75.28   81.49  -72.51   64.43
    4.00  -77.87   96.49  -71.12   79.01
    5.00  -78.62  111.49  -69.14   86.87
    6.00  -78.04  126.49  -66.56   91.95
    7.00  -77.45  141.49  -64.33   97.84
    8.00  -78.31  156.49  -63.94  105.68
    9.00  -78.03  171.49  -62.87  112.44
   10.00  -78.18  186.49  -62.65  119.56
   11.00  -77.99  201.49  -62.51  126.66
   12.00  -77.77  216.49  -62.79  133.88
   13.00  -77.57  231.49  -63.55  141.20
   14.00  -77.68  246.49  -65.01  148.24
   15.00  -77.30  261.49  -66.44  155.86
   16.00  -77.26  276.49  -68.55  162.93
   17.00  -76.07  291.49  -70.24  172.62
   18.00  -75.98  306.49  -73.13  180.09
   19.00  -76.34  321.49  -76.54  185.74
   20.00  -75.58  336.49  -79.72  196.41
   21.00  -73.55  351.49  -82.61  220.89
   22.00  -72.41    6.49  -85.37  261.44
   23.00  -71.39   21.49  -84.82  327.83
</PRE>


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