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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>
17 May 1997 23:44:42 yearsecs  11835882
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.53   71.29  -63.90   28.61
    1.00  -63.61   86.29  -60.31   42.39
    2.00  -64.35  101.29  -57.76   56.14
    3.00  -65.08  116.29  -55.57   68.72
    4.00  -64.84  131.29  -52.94   79.40
    5.00  -66.02  146.29  -52.44   90.65
    6.00  -66.29  161.29  -51.54  100.94
    7.00  -66.15  176.29  -50.69  110.99
    8.00  -66.71  191.29  -51.04  121.03
    9.00  -66.32  206.29  -51.04  130.90
   10.00  -65.90  221.29  -51.64  140.95
   11.00  -65.71  236.29  -52.98  151.20
   12.00  -65.74  251.29  -54.94  161.58
   13.00  -66.00  266.29  -57.46  171.99
   14.00  -66.49  281.29  -60.54  182.28
   15.00  -67.19  296.29  -64.25  192.35
   16.00  -68.12  311.29  -68.55  202.31
   17.00  -69.20  326.29  -73.18  212.71
   18.00  -69.14  341.29  -76.93  228.79
   19.00  -68.50  356.29  -79.87  254.32
   20.00  -67.28   11.29  -80.62  293.24
   21.00  -66.22   26.29  -78.42  331.49
   22.00  -65.12   41.29  -73.84  357.15
   23.00  -64.07   56.29  -68.52   14.29
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.51   71.29  -72.16   46.26
    1.00  -72.63   86.29  -69.31   59.82
    2.00  -73.61  101.29  -66.82   71.16
    3.00  -75.71  116.29  -65.94   83.14
    4.00  -78.23  131.29  -66.14   94.34
    5.00  -78.99  146.29  -65.36  101.88
    6.00  -78.35  161.29  -63.67  107.90
    7.00  -77.97  176.29  -62.64  114.68
    8.00  -78.55  191.29  -63.00  121.85
    9.00  -78.28  206.29  -62.91  128.86
   10.00  -78.42  221.29  -63.69  135.79
   11.00  -78.22  236.29  -64.55  142.89
   12.00  -78.01  251.29  -65.82  150.06
   13.00  -77.81  266.29  -67.50  157.22
   14.00  -77.91  281.29  -69.77  163.66
   15.00  -77.54  296.29  -72.08  170.96
   16.00  -77.50  311.29  -74.93  177.06
   17.00  -76.37  326.29  -77.64  187.68
   18.00  -76.32  341.29  -81.12  194.09
   19.00  -76.65  356.29  -84.83  194.74
   20.00  -75.90   11.29  -88.70  206.90
   21.00  -73.93   26.29  -86.35    5.23
   22.00  -72.79   41.29  -81.51   23.40
   23.00  -71.78   56.29  -76.50   34.62
</PRE>


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