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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>
04 Apr 1997 17:21:15 yearsecs   8097675
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.31  171.95  -50.00  107.83
    1.00  -64.64  186.95  -48.96  117.94
    2.00  -65.70  201.95  -50.26  128.08
    3.00  -66.77  216.95  -52.12  137.84
    4.00  -66.56  231.95  -53.29  147.87
    5.00  -67.43  246.95  -55.87  157.49
    6.00  -67.49  261.95  -58.08  167.63
    7.00  -67.39  276.95  -60.52  178.16
    8.00  -68.09  291.95  -64.08  187.88
    9.00  -67.86  306.95  -67.28  199.38
   10.00  -67.48  321.95  -70.69  212.68
   11.00  -67.29  336.95  -74.32  228.65
   12.00  -67.32  351.95  -77.88  249.85
   13.00  -67.58    6.95  -80.63  281.27
   14.00  -68.06   21.95  -81.11  322.95
   15.00  -68.77   36.95  -79.00  358.48
   16.00  -69.66   51.95  -75.84   22.59
   17.00  -70.50   66.95  -72.44   39.80
   18.00  -70.30   81.95  -68.32   51.24
   19.00  -69.77   96.95  -64.24   61.09
   20.00  -68.78  111.95  -60.14   70.00
   21.00  -67.81  126.95  -56.61   79.05
   22.00  -66.91  141.95  -53.79   88.33
   23.00  -66.09  156.95  -51.63   97.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.25  171.95  -55.99  109.74
    1.00  -72.28  186.95  -56.63  118.87
    2.00  -73.23  201.95  -57.71  127.49
    3.00  -77.50  216.95  -62.55  134.23
    4.00  -79.63  231.95  -65.53  139.62
    5.00  -79.95  246.95  -67.07  145.52
    6.00  -79.31  261.95  -68.13  152.68
    7.00  -78.72  276.95  -69.69  160.01
    8.00  -79.09  291.95  -72.24  164.79
    9.00  -78.84  306.95  -74.71  170.66
   10.00  -79.00  321.95  -77.58  173.92
   11.00  -78.79  336.95  -80.52  176.92
   12.00  -78.84  351.95  -83.52  173.36
   13.00  -78.58    6.95  -86.29  156.41
   14.00  -78.54   21.95  -86.71  101.73
   15.00  -78.25   36.95  -84.21   71.69
   16.00  -78.42   51.95  -80.82   69.31
   17.00  -78.13   66.95  -77.37   69.86
   18.00  -78.54   81.95  -74.35   75.95
   19.00  -78.19   96.95  -71.26   80.12
   20.00  -77.20  111.95  -67.92   83.96
   21.00  -75.31  126.95  -63.99   87.90
   22.00  -73.36  141.95  -60.29   93.64
   23.00  -71.91  156.95  -57.51  101.12
</PRE>


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