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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>
21 Aug 1997 00:44:40 yearsecs  20047480
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.28   59.60  -65.42   14.96
    1.00  -63.51   74.60  -63.04   31.70
    2.00  -64.32   89.60  -60.33   46.34
    3.00  -65.11  104.60  -57.87   59.78
    4.00  -64.81  119.60  -54.70   70.90
    5.00  -65.61  134.60  -53.31   82.35
    6.00  -66.19  149.60  -52.32   93.00
    7.00  -66.39  164.60  -51.45  103.21
    8.00  -67.21  179.60  -51.65  113.43
    9.00  -66.95  194.60  -51.31  123.21
   10.00  -66.35  209.60  -51.24  133.08
   11.00  -66.09  224.60  -52.12  143.12
   12.00  -66.08  239.60  -53.72  153.29
   13.00  -66.32  254.60  -55.93  163.50
   14.00  -66.78  269.60  -58.70  173.62
   15.00  -67.48  284.60  -62.05  183.47
   16.00  -68.40  299.60  -66.02  192.92
   17.00  -69.45  314.60  -70.43  202.26
   18.00  -69.32  329.60  -74.11  215.54
   19.00  -68.67  344.60  -77.37  234.59
   20.00  -67.46  359.61  -79.49  264.14
   21.00  -65.81   14.60  -79.04  303.01
   22.00  -64.17   29.60  -75.44  336.09
   23.00  -62.75   44.60  -70.10  358.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.28   59.60  -71.27   24.35
    1.00  -68.55   74.60  -68.52   41.33
    2.00  -69.69   89.60  -65.86   55.63
    3.00  -72.79  104.60  -65.42   71.53
    4.00  -75.40  119.60  -65.14   84.29
    5.00  -76.79  134.60  -64.43   93.74
    6.00  -76.43  149.60  -62.60  100.62
    7.00  -76.55  164.60  -61.68  108.21
    8.00  -77.22  179.60  -61.78  116.00
    9.00  -76.76  194.60  -61.17  123.37
   10.00  -76.86  209.60  -61.59  130.86
   11.00  -76.52  224.60  -62.04  138.53
   12.00  -76.31  239.60  -63.08  146.29
   13.00  -76.02  254.60  -64.48  154.25
   14.00  -76.08  269.60  -66.58  161.78
   15.00  -75.64  284.60  -68.69  170.16
   16.00  -75.67  299.60  -71.53  177.63
   17.00  -74.47  314.60  -73.99  189.00
   18.00  -74.34  329.60  -77.46  198.42
   19.00  -74.33  344.60  -81.22  208.95
   20.00  -73.24  359.61  -84.49  235.84
   21.00  -70.81   14.60  -84.56  299.83
   22.00  -69.17   29.60  -81.11  344.72
   23.00  -67.75   44.60  -75.93    7.63
</PRE>


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