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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>
31 May 1997 02:11:49 yearsecs  12967909
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.46   36.76  -73.00  347.73
    1.00  -63.57   51.76  -69.16    8.30
    2.00  -64.30   66.76  -65.98   25.55
    3.00  -65.02   81.76  -62.98   40.67
    4.00  -64.77   96.76  -59.19   53.01
    5.00  -65.96  111.76  -57.32   66.32
    6.00  -66.24  126.76  -55.03   77.42
    7.00  -66.10  141.76  -52.98   87.63
    8.00  -66.75  156.76  -52.32   98.12
    9.00  -66.26  171.76  -50.96  107.98
   10.00  -65.84  186.76  -50.17  117.95
   11.00  -65.65  201.76  -50.20  127.95
   12.00  -65.69  216.76  -51.08  137.97
   13.00  -65.94  231.76  -52.70  148.01
   14.00  -66.43  246.76  -54.94  158.00
   15.00  -67.13  261.76  -57.73  167.81
   16.00  -68.07  276.76  -61.08  177.25
   17.00  -69.15  291.76  -64.94  186.15
   18.00  -69.10  306.76  -68.26  196.97
   19.00  -68.46  321.76  -71.44  210.41
   20.00  -67.22  336.76  -74.22  228.57
   21.00  -66.16  351.76  -76.75  252.39
   22.00  -65.05    6.76  -77.94  284.67
   23.00  -63.99   21.76  -76.48  319.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.10   36.76  -81.36    7.13
    1.00  -72.23   51.76  -78.14   32.19
    2.00  -73.23   66.76  -74.74   48.53
    3.00  -75.27   81.76  -72.43   64.54
    4.00  -77.86   96.76  -71.06   79.09
    5.00  -78.61  111.76  -69.08   86.95
    6.00  -78.03  126.76  -66.51   92.05
    7.00  -77.44  141.76  -64.29   97.95
    8.00  -78.30  156.76  -63.91  105.79
    9.00  -78.02  171.76  -62.85  112.56
   10.00  -78.18  186.76  -62.64  119.69
   11.00  -77.98  201.76  -62.51  126.79
   12.00  -77.76  216.76  -62.80  134.01
   13.00  -77.57  231.76  -63.57  141.33
   14.00  -77.68  246.76  -65.04  148.37
   15.00  -77.30  261.76  -66.48  155.99
   16.00  -77.26  276.76  -68.59  163.06
   17.00  -76.07  291.76  -70.29  172.76
   18.00  -75.98  306.76  -73.19  180.23
   19.00  -76.33  321.76  -76.60  185.88
   20.00  -75.57  336.76  -79.78  196.58
   21.00  -73.55  351.76  -82.68  221.26
   22.00  -72.40    6.76  -85.41  262.45
   23.00  -71.38   21.76  -84.78  328.84
</PRE>


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