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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>
18 Jul 1997 19:38:04 yearsecs  17177884
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.57  134.09  -52.30   81.19
    1.00  -64.51  149.09  -50.64   91.68
    2.00  -65.60  164.09  -50.68  102.56
    3.00  -66.69  179.09  -51.15  112.98
    4.00  -66.57  194.09  -50.92  122.87
    5.00  -67.59  209.09  -52.41  132.56
    6.00  -67.80  224.09  -53.68  142.20
    7.00  -67.75  239.09  -55.18  152.04
    8.00  -68.53  254.09  -57.83  161.46
    9.00  -68.36  269.09  -60.00  171.67
   10.00  -68.06  284.09  -62.46  182.36
   11.00  -67.57  299.09  -65.21  193.87
   12.00  -67.45  314.09  -68.69  205.86
   13.00  -67.59  329.09  -72.59  219.31
   14.00  -67.97  344.09  -76.65  235.95
   15.00  -68.59  359.10  -80.49  259.83
   16.00  -69.44   14.09  -83.05  299.34
   17.00  -70.34   29.09  -82.44  347.39
   18.00  -70.05   44.09  -78.40   14.11
   19.00  -69.43   59.09  -73.61   29.44
   20.00  -68.31   74.09  -68.42   40.37
   21.00  -67.38   89.09  -63.71   50.93
   22.00  -65.91  104.09  -58.81   60.43
   23.00  -64.74  119.09  -54.72   70.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.57  134.09  -57.42   85.39
    1.00  -71.05  149.09  -57.29   95.85
    2.00  -72.41  164.09  -57.55  105.58
    3.00  -76.56  179.09  -61.12  115.52
    4.00  -79.04  194.09  -63.50  123.16
    5.00  -79.59  209.09  -64.33  129.74
    6.00  -79.10  224.09  -64.52  136.62
    7.00  -78.71  239.09  -65.24  143.67
    8.00  -79.28  254.09  -67.21  149.46
    9.00  -79.08  269.09  -68.85  156.05
   10.00  -79.38  284.09  -71.19  161.17
   11.00  -79.16  299.09  -73.47  167.01
   12.00  -78.93  314.09  -76.06  172.38
   13.00  -78.48  329.09  -78.89  177.94
   14.00  -78.22  344.09  -82.00  180.80
   15.00  -77.59  359.10  -85.37  181.98
   16.00  -77.43   14.09  -88.16  139.74
   17.00  -76.52   29.09  -86.47   53.67
   18.00  -76.28   44.09  -82.48   51.90
   19.00  -74.99   59.09  -77.95   51.03
   20.00  -74.20   74.09  -73.54   56.72
   21.00  -72.46   89.09  -68.51   61.23
   22.00  -70.91  104.09  -63.78   67.91
   23.00  -69.74  119.09  -59.82   76.00
</PRE>


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