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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>
31 May 1997 15:53:39 yearsecs  13017219
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.65  198.49  -47.14  125.82
    1.00  -63.19  213.49  -48.44  136.24
    2.00  -63.74  228.49  -50.29  146.60
    3.00  -64.29  243.49  -52.56  156.95
    4.00  -63.96  258.49  -54.39  167.97
    5.00  -65.26  273.49  -58.03  177.89
    6.00  -65.66  288.49  -61.25  188.57
    7.00  -65.57  303.49  -64.49  200.30
    8.00  -66.20  318.49  -68.72  212.00
    9.00  -65.62  333.49  -72.01  228.30
   10.00  -65.31  348.49  -75.27  248.91
   11.00  -65.11    3.49  -77.67  277.27
   12.00  -65.12   18.49  -78.09  312.69
   13.00  -65.37   33.49  -76.03  344.80
   14.00  -65.83   48.49  -72.74    8.40
   15.00  -66.52   63.49  -69.39   26.63
   16.00  -67.44   78.49  -66.39   42.30
   17.00  -67.45   93.49  -62.73   54.51
   18.00  -67.24  108.49  -59.27   65.52
   19.00  -67.91  123.49  -57.25   76.83
   20.00  -66.57  138.49  -53.82   85.75
   21.00  -65.31  153.49  -51.10   95.17
   22.00  -64.27  168.49  -49.09  105.12
   23.00  -63.09  183.49  -47.45  115.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.19  198.49  -52.61  125.72
    1.00  -69.47  213.49  -54.49  134.98
    2.00  -70.56  228.49  -56.67  143.85
    3.00  -71.71  243.49  -59.30  152.27
    4.00  -74.83  258.49  -63.96  157.79
    5.00  -75.98  273.49  -67.10  163.91
    6.00  -75.18  288.49  -69.05  173.15
    7.00  -74.28  303.49  -71.41  183.32
    8.00  -75.34  318.49  -75.38  188.16
    9.00  -74.92  333.49  -78.70  198.16
   10.00  -75.08  348.49  -82.53  206.66
   11.00  -74.98    3.49  -86.42  222.25
   12.00  -74.63   18.49  -88.56  334.32
   13.00  -74.52   33.49  -84.78   27.22
   14.00  -74.77   48.49  -80.71   43.07
   15.00  -74.35   63.49  -76.39   50.75
   16.00  -74.22   78.49  -72.47   59.43
   17.00  -72.45   93.49  -67.48   64.01
   18.00  -72.24  108.49  -64.15   72.91
   19.00  -73.17  123.49  -62.46   83.07
   20.00  -72.55  138.49  -59.87   90.89
   21.00  -70.31  153.49  -56.17   98.03
   22.00  -69.39  168.49  -54.27  106.91
   23.00  -68.37  183.49  -52.74  116.17
</PRE>


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