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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 13:36:16 yearsecs   8948176
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.37  231.32  -51.18  148.34
    1.00  -63.99  246.32  -52.66  159.13
    2.00  -64.93  261.32  -55.71  169.30
    3.00  -65.87  276.32  -59.08  179.34
    4.00  -65.66  291.32  -61.84  190.70
    5.00  -66.71  306.32  -66.15  200.82
    6.00  -66.89  321.32  -70.03  213.29
    7.00  -66.74  336.32  -73.69  229.18
    8.00  -67.35  351.32  -77.77  248.67
    9.00  -66.99    6.32  -79.95  280.73
   10.00  -66.58   21.32  -79.50  320.06
   11.00  -66.39   36.32  -76.55  351.56
   12.00  -66.42   51.32  -72.63   13.15
   13.00  -66.68   66.32  -68.79   29.72
   14.00  -67.16   81.32  -65.39   44.15
   15.00  -67.87   96.32  -62.52   57.39
   16.00  -68.80  111.32  -60.29   69.60
   17.00  -69.81  126.32  -58.73   80.71
   18.00  -69.65  141.32  -56.65   90.00
   19.00  -69.08  156.32  -54.71   99.06
   20.00  -67.96  171.32  -52.70  108.22
   21.00  -66.93  186.32  -51.26  117.79
   22.00  -65.91  201.32  -50.44  127.64
   23.00  -64.99  216.32  -50.38  137.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.52  231.32  -57.83  145.08
    1.00  -72.58  246.32  -60.42  153.25
    2.00  -73.56  261.32  -63.26  160.93
    3.00  -76.68  276.32  -68.09  164.00
    4.00  -79.00  291.32  -72.09  164.83
    5.00  -79.53  306.32  -74.88  167.89
    6.00  -78.90  321.32  -77.43  174.24
    7.00  -78.65  336.32  -80.39  177.80
    8.00  -78.97  351.32  -83.36  172.53
    9.00  -78.70    6.32  -86.11  156.65
   10.00  -78.90   21.32  -86.42  106.62
   11.00  -78.64   36.32  -84.21   76.24
   12.00  -78.58   51.32  -80.97   70.49
   13.00  -78.34   66.32  -77.58   70.77
   14.00  -78.37   81.32  -74.39   75.12
   15.00  -78.02   96.32  -71.26   79.39
   16.00  -78.11  111.32  -68.76   85.66
   17.00  -77.41  126.32  -66.01   90.81
   18.00  -77.54  141.32  -64.43   97.87
   19.00  -77.46  156.32  -63.11  104.84
   20.00  -76.57  171.32  -61.39  111.60
   21.00  -74.64  186.32  -59.03  118.86
   22.00  -73.14  201.32  -57.60  127.13
   23.00  -71.93  216.32  -57.04  136.02
</PRE>


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