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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 Mar 1997 23:15:18 yearsecs   6304518
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.08   85.45  -61.04   42.39
    1.00  -63.92  100.45  -57.48   54.90
    2.00  -64.82  115.45  -55.45   67.81
    3.00  -65.72  130.45  -53.97   79.55
    4.00  -65.51  145.45  -52.00   89.76
    5.00  -66.58  160.45  -51.89  100.50
    6.00  -66.78  175.45  -51.34  110.59
    7.00  -66.63  190.45  -50.95  120.47
    8.00  -67.31  205.45  -51.97  130.24
    9.00  -66.87  220.45  -52.49  140.12
   10.00  -66.45  235.45  -53.57  150.28
   11.00  -66.26  250.45  -55.29  160.65
   12.00  -66.30  265.45  -57.58  171.13
   13.00  -66.55  280.45  -60.45  181.60
   14.00  -67.04  295.45  -63.94  191.96
   15.00  -67.74  310.45  -68.03  202.34
   16.00  -68.68  325.45  -72.55  213.24
   17.00  -69.70  340.45  -77.16  225.99
   18.00  -69.56  355.45  -80.63  249.02
   19.00  -68.97   10.45  -82.39  288.43
   20.00  -67.83   25.45  -80.38  331.73
   21.00  -66.79   40.45  -75.98  359.19
   22.00  -65.76   55.45  -70.74   16.55
   23.00  -64.59   70.45  -65.35   29.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.08   85.45  -66.29   51.28
    1.00  -70.22  100.45  -63.89   64.31
    2.00  -71.26  115.45  -61.93   75.67
    3.00  -74.53  130.45  -62.78   88.67
    4.00  -77.18  145.45  -63.69   99.38
    5.00  -77.77  160.45  -63.15  107.06
    6.00  -76.98  175.45  -61.65  113.86
    7.00  -76.23  190.45  -60.62  121.24
    8.00  -76.88  205.45  -61.48  128.78
    9.00  -76.51  220.45  -61.77  136.44
   10.00  -76.73  235.45  -63.08  143.83
   11.00  -76.52  250.45  -64.42  151.54
   12.00  -76.51  265.45  -66.33  159.02
   13.00  -76.31  280.45  -68.48  166.73
   14.00  -76.43  295.45  -71.23  173.61
   15.00  -76.10  310.45  -74.03  181.60
   16.00  -76.24  325.45  -77.39  187.90
   17.00  -75.41  340.45  -80.62  199.52
   18.00  -75.57  355.45  -84.48  206.81
   19.00  -75.63   10.45  -88.46  218.02
   20.00  -74.72   25.45  -87.08   15.29
   21.00  -72.62   40.45  -81.62   21.25
   22.00  -70.98   55.45  -76.06   30.82
   23.00  -69.59   70.45  -70.64   40.30
</PRE>


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