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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>
18 Sep 1997 22:13:56 yearsecs  22544036
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.56   96.03  -56.94   49.39
    1.00  -63.10  111.03  -54.46   62.51
    2.00  -63.65  126.03  -52.46   74.59
    3.00  -64.18  141.03  -51.08   85.83
    4.00  -63.87  156.03  -49.43   96.22
    5.00  -65.17  171.03  -49.90  107.16
    6.00  -65.56  186.03  -49.90  117.43
    7.00  -65.48  201.03  -50.00  127.48
    8.00  -66.17  216.03  -51.49  137.37
    9.00  -65.53  231.03  -52.24  147.68
   10.00  -65.15  246.03  -53.68  158.27
   11.00  -64.93  261.03  -55.66  169.10
   12.00  -64.96  276.03  -58.22  180.05
   13.00  -65.22  291.03  -61.40  191.04
   14.00  -65.71  306.03  -65.21  202.16
   15.00  -66.41  321.03  -69.55  213.94
   16.00  -67.34  336.03  -74.14  227.43
   17.00  -68.50  351.03  -78.73  244.85
   18.00  -68.53    6.03  -81.52  276.78
   19.00  -67.84   21.03  -80.95  320.23
   20.00  -66.50   36.03  -76.74  351.28
   21.00  -65.40   51.03  -71.54   10.68
   22.00  -64.20   66.03  -66.05   24.67
   23.00  -63.01   81.03  -60.87   36.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.73   96.03  -66.27   64.15
    1.00  -72.88  111.03  -64.27   75.48
    2.00  -73.87  126.03  -62.75   85.42
    3.00  -74.90  141.03  -61.90   94.69
    4.00  -77.57  156.03  -63.23  104.80
    5.00  -78.57  171.03  -63.43  112.52
    6.00  -77.97  186.03  -62.43  119.31
    7.00  -77.32  201.03  -61.82  126.53
    8.00  -78.27  216.03  -63.27  133.43
    9.00  -77.98  231.03  -63.90  140.65
   10.00  -77.99  246.03  -65.25  147.65
   11.00  -77.86  261.03  -66.85  154.75
   12.00  -77.50  276.03  -68.66  162.24
   13.00  -77.34  291.03  -71.01  169.26
   14.00  -77.49  306.03  -73.88  175.09
   15.00  -77.07  321.03  -76.76  182.45
   16.00  -76.91  336.03  -80.04  188.54
   17.00  -75.36  351.03  -83.28  206.12
   18.00  -75.12    6.03  -87.14  224.01
   19.00  -75.86   21.03  -88.66   39.69
   20.00  -75.28   36.03  -84.39   38.19
   21.00  -73.32   51.03  -79.14   36.75
   22.00  -72.60   66.03  -74.46   45.76
   23.00  -71.81   81.03  -69.90   54.24
</PRE>


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