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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>
25 Jul 1997 21:37:26 yearsecs  17789846
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.01  104.61  -55.63   57.19
    1.00  -63.37  119.61  -53.19   69.50
    2.00  -63.98  134.61  -51.62   81.11
    3.00  -64.59  149.61  -50.68   92.09
    4.00  -64.32  164.61  -49.35  102.42
    5.00  -65.59  179.61  -50.02  113.10
    6.00  -65.91  194.61  -50.27  123.19
    7.00  -65.79  209.61  -50.70  133.17
    8.00  -66.49  224.61  -52.49  142.99
    9.00  -65.90  239.61  -53.56  153.38
   10.00  -65.48  254.61  -55.18  164.10
   11.00  -65.29  269.61  -57.38  175.02
   12.00  -65.32  284.61  -60.17  186.06
   13.00  -65.58  299.61  -63.60  197.20
   14.00  -66.06  314.61  -67.63  208.79
   15.00  -66.77  329.61  -72.03  221.66
   16.00  -67.70  344.61  -76.54  237.43
   17.00  -68.83  359.61  -80.81  260.21
   18.00  -68.82   14.61  -82.38  301.47
   19.00  -68.15   29.61  -80.00  342.13
   20.00  -66.86   44.61  -74.95    5.45
   21.00  -65.77   59.61  -69.61   21.08
   22.00  -64.63   74.61  -64.32   33.57
   23.00  -63.49   89.61  -59.41   45.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.44  104.61  -64.18   69.14
    1.00  -72.61  119.61  -62.52   80.06
    2.00  -73.61  134.61  -61.37   89.81
    3.00  -75.08  149.61  -61.26   99.38
    4.00  -77.73  164.61  -62.88  109.00
    5.00  -78.65  179.61  -63.24  116.49
    6.00  -78.01  194.61  -62.45  123.39
    7.00  -77.36  209.61  -62.09  130.71
    8.00  -78.27  224.61  -63.74  137.43
    9.00  -77.96  239.61  -64.59  144.70
   10.00  -78.15  254.61  -66.31  151.39
   11.00  -78.05  269.61  -68.14  158.27
   12.00  -77.72  284.61  -70.18  165.52
   13.00  -77.53  299.61  -72.68  172.37
   14.00  -77.65  314.61  -75.66  177.74
   15.00  -77.24  329.61  -78.69  184.69
   16.00  -77.11  344.61  -82.07  189.32
   17.00  -75.69  359.61  -85.59  207.79
   18.00  -75.52   14.61  -89.50  249.59
   19.00  -76.11   29.61  -86.34   46.22
   20.00  -75.46   44.61  -82.08   45.43
   21.00  -73.47   59.61  -76.86   44.34
   22.00  -72.52   74.61  -72.13   51.70
   23.00  -71.61   89.61  -67.64   59.65
</PRE>


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