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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>
14 Apr 1997 03:19:35 yearsecs   8911175
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.75   21.29  -75.10  318.58
    1.00  -63.60   36.29  -73.28  347.16
    2.00  -64.34   51.29  -70.22    9.04
    3.00  -65.08   66.29  -67.01   26.51
    4.00  -64.83   81.29  -62.88   39.94
    5.00  -66.01   96.29  -60.61   54.45
    6.00  -66.28  111.29  -57.74   66.37
    7.00  -66.34  126.29  -55.21   77.19
    8.00  -66.84  141.29  -53.79   87.83
    9.00  -66.31  156.29  -51.90   97.58
   10.00  -65.89  171.29  -50.61  107.55
   11.00  -65.70  186.29  -50.03  117.62
   12.00  -65.74  201.29  -50.27  127.64
   13.00  -66.00  216.29  -51.34  137.59
   14.00  -66.48  231.29  -53.14  147.47
   15.00  -67.18  246.29  -55.56  157.20
   16.00  -68.12  261.29  -58.53  166.63
   17.00  -69.20  276.29  -61.97  175.57
   18.00  -69.09  291.29  -64.79  185.92
   19.00  -68.50  306.29  -67.66  197.73
   20.00  -67.28  321.29  -70.35  212.49
   21.00  -66.01  336.29  -73.06  230.75
   22.00  -64.55  351.29  -75.12  254.92
   23.00  -63.22    6.29  -75.94  285.69
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.75   21.29  -80.83  320.86
    1.00  -68.95   36.29  -79.35  357.84
    2.00  -69.98   51.29  -76.33   22.90
    3.00  -72.38   66.29  -74.22   45.20
    4.00  -74.75   81.29  -72.17   62.67
    5.00  -76.34   96.29  -70.06   74.78
    6.00  -75.71  111.29  -66.77   80.67
    7.00  -75.12  126.29  -63.90   87.28
    8.00  -76.21  141.29  -63.15   96.28
    9.00  -75.97  156.29  -61.63  103.60
   10.00  -76.24  171.29  -61.05  111.43
   11.00  -76.08  186.29  -60.49  119.08
   12.00  -75.91  201.29  -60.39  126.83
   13.00  -75.74  216.29  -60.78  134.66
   14.00  -75.92  231.29  -61.97  142.34
   15.00  -75.55  246.29  -63.09  150.48
   16.00  -75.57  261.29  -64.98  158.30
   17.00  -74.24  276.29  -66.17  168.37
   18.00  -74.09  291.29  -68.78  176.96
   19.00  -74.39  306.29  -72.09  184.58
   20.00  -73.43  321.29  -74.92  196.43
   21.00  -71.01  336.29  -77.08  216.91
   22.00  -69.55  351.29  -79.69  241.66
   23.00  -68.22    6.29  -81.22  278.21
</PRE>


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