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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 Aug 1997 13:39:26 yearsecs  20439566
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.34  231.43  -51.16  148.43
    1.00  -65.79  246.43  -54.32  158.16
    2.00  -66.82  261.43  -57.40  167.86
    3.00  -68.00  276.43  -60.96  177.10
    4.00  -67.59  291.43  -63.55  188.21
    5.00  -68.23  306.43  -67.46  198.33
    6.00  -68.15  321.43  -71.10  210.80
    7.00  -68.54  336.43  -75.23  224.80
    8.00  -69.64  351.43  -79.80  241.56
    9.00  -69.77    6.43  -82.82  274.37
   10.00  -69.46   21.43  -82.72  323.25
   11.00  -69.18   36.43  -79.56  358.84
   12.00  -69.14   51.43  -75.47   20.33
   13.00  -69.33   66.43  -71.48   36.10
   14.00  -69.75   81.43  -67.93   49.59
   15.00  -70.40   96.43  -64.96   61.87
   16.00  -71.02  111.43  -62.44   72.81
   17.00  -71.10  126.43  -59.99   82.21
   18.00  -71.17  141.43  -58.16   91.34
   19.00  -70.44  156.43  -56.07   99.91
   20.00  -69.74  171.43  -54.49  108.89
   21.00  -69.02  186.43  -53.36  118.13
   22.00  -67.25  201.43  -51.76  127.65
   23.00  -65.54  216.43  -50.91  137.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.34  231.43  -55.81  146.26
    1.00  -70.79  246.43  -58.83  154.76
    2.00  -71.82  261.43  -61.78  163.02
    3.00  -77.73  276.43  -68.89  161.93
    4.00  -79.80  291.43  -72.56  162.51
    5.00  -80.29  306.43  -75.19  165.00
    6.00  -79.65  321.43  -77.62  170.69
    7.00  -78.78  336.43  -80.42  176.96
    8.00  -78.62  351.43  -83.48  175.58
    9.00  -78.56    6.43  -86.24  157.97
   10.00  -78.23   21.43  -87.06  100.60
   11.00  -78.19   36.43  -84.34   71.44
   12.00  -78.35   51.43  -80.93   68.82
   13.00  -78.02   66.43  -77.45   69.19
   14.00  -77.68   81.43  -74.01   72.58
   15.00  -77.31   96.43  -70.74   77.44
   16.00  -76.92  111.43  -67.77   83.14
   17.00  -76.48  126.43  -65.15   89.38
   18.00  -77.49  141.43  -64.37   97.86
   19.00  -77.52  156.43  -63.16  104.95
   20.00  -77.06  171.43  -61.88  111.90
   21.00  -75.21  186.43  -59.61  119.01
   22.00  -72.25  201.43  -56.72  127.28
   23.00  -70.54  216.43  -55.71  136.51
</PRE>


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