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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>
11 May 1997 23:16:04 yearsecs  11315764
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.55   78.46  -64.38   38.68
    1.00  -65.68   93.46  -60.92   51.66
    2.00  -66.58  108.46  -58.61   64.63
    3.00  -67.48  123.46  -56.82   76.35
    4.00  -67.19  138.46  -54.46   86.20
    5.00  -67.98  153.46  -53.82   96.60
    6.00  -68.08  168.46  -52.95  106.40
    7.00  -68.65  183.46  -53.03  116.19
    8.00  -70.03  198.46  -54.43  125.64
    9.00  -70.92  213.46  -55.89  134.61
   10.00  -70.95  228.46  -57.04  143.64
   11.00  -70.11  243.46  -57.85  153.40
   12.00  -69.70  258.46  -59.49  163.30
   13.00  -69.61  273.46  -61.82  173.19
   14.00  -69.82  288.46  -64.82  182.87
   15.00  -70.32  303.46  -68.47  192.23
   16.00  -70.83  318.46  -72.45  201.98
   17.00  -70.84  333.46  -76.23  214.73
   18.00  -70.88  348.46  -80.07  231.85
   19.00  -70.13    3.46  -82.72  264.77
   20.00  -69.19   18.46  -82.67  313.63
   21.00  -68.29   33.46  -79.33  350.58
   22.00  -67.60   48.46  -74.71   12.40
   23.00  -66.72   63.46  -69.61   27.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.40   78.46  -70.19   51.32
    1.00  -72.57   93.46  -67.60   64.26
    2.00  -73.39  108.46  -65.21   74.85
    3.00  -78.73  123.46  -67.54   91.90
    4.00  -80.58  138.46  -67.54  101.02
    5.00  -81.01  153.46  -66.78  107.25
    6.00  -80.40  168.46  -65.39  112.58
    7.00  -79.49  183.46  -64.03  118.50
    8.00  -79.61  198.46  -64.12  125.09
    9.00  -79.60  213.46  -64.49  131.64
   10.00  -79.44  228.46  -65.12  138.28
   11.00  -79.44  243.46  -66.29  144.74
   12.00  -79.62  258.46  -67.98  150.70
   13.00  -79.40  273.46  -69.67  157.11
   14.00  -79.17  288.46  -71.73  163.32
   15.00  -78.95  303.46  -74.13  169.16
   16.00  -78.73  318.46  -76.83  174.39
   17.00  -78.50  333.46  -79.78  178.51
   18.00  -79.51  348.46  -82.66  169.42
   19.00  -79.75    3.46  -84.91  152.66
   20.00  -78.95   18.46  -86.55  116.23
   21.00  -77.14   33.46  -85.28   60.77
   22.00  -74.34   48.46  -80.49   40.34
   23.00  -72.65   63.46  -75.20   43.97
</PRE>


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