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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>
08 Jun 1997 14:16:37 yearsecs  13702597
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.79  224.64  -43.21  145.86
    1.00  -57.23  239.64  -45.37  157.31
    2.00  -57.66  254.64  -47.93  168.87
    3.00  -58.07  269.64  -50.81  180.65
    4.00  -58.47  284.64  -53.95  192.72
    5.00  -59.29  299.64  -57.85  204.71
    6.00  -61.27  314.64  -63.30  215.88
    7.00  -62.88  329.64  -68.56  228.80
    8.00  -62.53  344.64  -71.77  248.14
    9.00  -61.86  359.65  -73.82  273.82
   10.00  -61.41   14.64  -74.08  304.69
   11.00  -61.16   29.64  -71.80  333.80
   12.00  -61.14   44.64  -68.03  356.13
   13.00  -61.32   59.64  -64.18   13.61
   14.00  -61.72   74.64  -60.85   28.97
   15.00  -62.32   89.64  -58.07   43.49
   16.00  -63.13  104.64  -55.75   57.36
   17.00  -64.15  119.64  -54.00   70.27
   18.00  -63.84  134.64  -51.47   81.03
   19.00  -62.86  149.64  -48.90   91.18
   20.00  -61.36  164.64  -46.33  101.40
   21.00  -60.30  179.64  -44.71  112.12
   22.00  -58.58  194.64  -43.01  123.00
   23.00  -57.59  209.64  -42.74  134.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.31  224.64  -56.10  141.60
    1.00  -71.31  239.64  -58.50  150.22
    2.00  -72.26  254.64  -61.20  158.47
    3.00  -72.76  269.64  -63.86  166.78
    4.00  -73.55  284.64  -67.10  174.25
    5.00  -74.89  299.64  -71.02  179.66
    6.00  -75.23  314.64  -74.45  186.55
    7.00  -74.22  329.64  -77.41  198.94
    8.00  -74.19  344.64  -81.16  209.87
    9.00  -74.53  359.65  -85.22  222.67
   10.00  -73.99   14.64  -88.00  292.15
   11.00  -73.61   29.64  -85.28   10.42
   12.00  -73.37   44.64  -80.98   30.90
   13.00  -73.16   59.64  -76.62   43.02
   14.00  -73.13   74.64  -72.61   53.60
   15.00  -72.91   89.64  -68.76   62.64
   16.00  -73.23  104.64  -65.81   72.36
   17.00  -73.41  119.64  -63.28   81.22
   18.00  -72.89  134.64  -60.66   89.04
   19.00  -71.96  149.64  -58.16   96.85
   20.00  -71.66  164.64  -56.76  105.53
   21.00  -70.88  179.64  -55.35  114.27
   22.00  -71.04  194.64  -55.38  123.32
   23.00  -70.14  209.64  -54.93  132.47
</PRE>


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