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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 13:11:34 yearsecs  17759494
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.49  239.81  -52.28  154.24
    1.00  -64.16  254.81  -54.02  165.15
    2.00  -65.18  269.81  -57.32  175.27
    3.00  -66.21  284.81  -60.99  185.18
    4.00  -66.02  299.81  -64.03  196.75
    5.00  -67.00  314.81  -68.49  207.30
    6.00  -67.15  329.81  -72.41  221.06
    7.00  -67.10  344.81  -76.07  239.30
    8.00  -67.66  359.81  -79.73  264.07
    9.00  -67.29   14.81  -80.67  302.92
   10.00  -66.87   29.81  -78.53  340.07
   11.00  -66.68   44.81  -74.70    5.33
   12.00  -66.72   59.81  -70.60   23.30
   13.00  -66.97   74.81  -66.85   38.16
   14.00  -67.46   89.81  -63.61   51.63
   15.00  -68.16  104.81  -60.96   64.13
   16.00  -69.09  119.81  -59.05   75.69
   17.00  -70.07  134.81  -57.83   86.30
   18.00  -69.87  149.81  -56.03   95.46
   19.00  -69.32  164.81  -54.40  104.56
   20.00  -68.25  179.81  -52.69  113.79
   21.00  -67.23  194.81  -51.59  123.36
   22.00  -66.25  209.81  -51.16  133.24
   23.00  -65.08  224.81  -51.19  143.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.49  239.81  -56.86  151.50
    1.00  -70.56  254.81  -59.73  160.19
    2.00  -71.57  269.81  -62.88  168.44
    3.00  -75.48  284.81  -68.61  170.61
    4.00  -77.94  299.81  -72.95  171.20
    5.00  -78.36  314.81  -75.99  174.95
    6.00  -77.59  329.81  -78.83  182.88
    7.00  -76.99  344.81  -82.10  190.31
    8.00  -77.67  359.81  -85.50  180.34
    9.00  -77.44   14.81  -88.19  134.43
   10.00  -77.75   29.81  -85.95   72.62
   11.00  -77.49   44.81  -82.46   62.25
   12.00  -77.55   59.81  -78.84   64.96
   13.00  -77.31   74.81  -75.26   68.70
   14.00  -77.35   89.81  -72.08   74.79
   15.00  -77.03  104.81  -68.99   80.39
   16.00  -77.23  119.81  -66.74   87.55
   17.00  -76.70  134.81  -64.32   93.71
   18.00  -76.95  149.81  -63.09  101.24
   19.00  -76.68  164.81  -61.81  108.40
   20.00  -75.60  179.81  -60.12  115.60
   21.00  -73.45  194.81  -57.81  123.45
   22.00  -71.59  209.81  -56.36  132.29
   23.00  -70.08  224.81  -55.90  141.80
</PRE>


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