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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>
14 Apr 1997 13:37:42 yearsecs   8948262
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.37  231.00  -51.14  148.12
    1.00  -63.99  246.00  -52.62  158.90
    2.00  -64.93  261.00  -55.66  169.07
    3.00  -65.87  276.00  -59.02  179.11
    4.00  -65.66  291.00  -61.78  190.46
    5.00  -66.71  306.00  -66.07  200.56
    6.00  -66.89  321.00  -69.95  212.99
    7.00  -66.74  336.00  -73.61  228.81
    8.00  -67.36  351.00  -77.70  248.13
    9.00  -66.99    6.00  -79.92  279.94
   10.00  -66.58   21.00  -79.53  319.26
   11.00  -66.39   36.00  -76.63  351.00
   12.00  -66.42   51.00  -72.72   12.76
   13.00  -66.68   66.00  -68.88   29.42
   14.00  -67.16   81.00  -65.47   43.88
   15.00  -67.87   96.00  -62.59   57.14
   16.00  -68.80  111.00  -60.35   69.38
   17.00  -69.81  126.00  -58.78   80.50
   18.00  -69.65  141.00  -56.68   89.80
   19.00  -69.08  156.00  -54.73   98.86
   20.00  -67.96  171.00  -52.71  108.01
   21.00  -66.93  186.00  -51.26  117.58
   22.00  -65.91  201.00  -50.43  127.43
   23.00  -64.99  216.00  -50.36  137.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.53  231.00  -57.81  144.88
    1.00  -72.58  246.00  -60.38  153.06
    2.00  -73.56  261.00  -63.22  160.74
    3.00  -76.69  276.00  -68.04  163.84
    4.00  -79.01  291.00  -72.04  164.70
    5.00  -79.54  306.00  -74.83  167.78
    6.00  -78.91  321.00  -77.37  174.15
    7.00  -78.65  336.00  -80.32  177.78
    8.00  -78.97  351.00  -83.30  172.66
    9.00  -78.71    6.00  -86.06  157.33
   10.00  -78.91   21.00  -86.44  107.64
   11.00  -78.65   36.00  -84.27   76.54
   12.00  -78.59   51.00  -81.04   70.53
   13.00  -78.34   66.00  -77.65   70.71
   14.00  -78.37   81.00  -74.46   75.02
   15.00  -78.02   96.00  -71.32   79.27
   16.00  -78.12  111.00  -68.81   85.53
   17.00  -77.41  126.00  -66.06   90.67
   18.00  -77.54  141.00  -64.46   97.72
   19.00  -77.46  156.00  -63.13  104.69
   20.00  -76.57  171.00  -61.40  111.44
   21.00  -74.64  186.00  -59.03  118.68
   22.00  -73.15  201.00  -57.60  126.95
   23.00  -71.93  216.00  -57.03  135.83
</PRE>


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