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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
14 Jul 1997 12:02:50 yearsecs  16804970
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.52  254.52  -52.48  165.99
    1.00  -63.68  269.52  -55.93  176.36
    2.00  -64.67  284.52  -59.57  186.73
    3.00  -67.09  299.52  -64.89  194.94
    4.00  -66.81  314.52  -68.25  207.40
    5.00  -67.60  329.52  -72.71  219.74
    6.00  -67.59  344.52  -76.43  237.61
    7.00  -67.76  359.54  -79.78  263.17
    8.00  -68.37   14.52  -81.87  301.50
    9.00  -68.29   29.52  -80.17  342.28
   10.00  -67.96   44.52  -76.17    8.07
   11.00  -67.77   59.52  -71.81   25.44
   12.00  -67.80   74.52  -67.79   39.62
   13.00  -68.06   89.52  -64.29   52.47
   14.00  -68.54  104.52  -61.39   64.47
   15.00  -69.24  119.52  -59.25   75.67
   16.00  -70.08  134.52  -57.87   86.13
   17.00  -70.73  149.52  -56.92   95.88
   18.00  -70.63  164.52  -55.73  104.97
   19.00  -70.07  179.52  -54.53  114.01
   20.00  -69.12  194.52  -53.47  123.21
   21.00  -68.21  209.52  -53.04  132.74
   22.00  -65.54  224.52  -51.59  143.25
   23.00  -63.61  239.52  -51.43  154.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.52  254.52  -56.99  162.54
    1.00  -68.68  269.52  -60.34  171.62
    2.00  -69.67  284.52  -63.91  180.46
    3.00  -75.11  299.52  -71.15  179.04
    4.00  -77.40  314.52  -75.54  178.68
    5.00  -77.92  329.52  -78.85  181.06
    6.00  -77.36  344.52  -82.07  187.39
    7.00  -76.61  359.54  -85.63  194.90
    8.00  -77.05   14.52  -88.58  140.63
    9.00  -76.91   29.52  -86.29   59.99
   10.00  -77.06   44.52  -82.50   58.59
   11.00  -76.91   59.52  -78.70   61.28
   12.00  -77.12   74.52  -75.24   67.84
   13.00  -76.89   89.52  -71.83   73.24
   14.00  -76.83  104.52  -68.88   79.80
   15.00  -76.56  119.52  -66.19   86.22
   16.00  -76.68  134.52  -64.34   93.56
   17.00  -76.34  149.52  -62.52  100.50
   18.00  -76.95  164.52  -62.09  108.43
   19.00  -76.66  179.52  -61.22  115.78
   20.00  -75.50  194.52  -59.88  123.32
   21.00  -73.22  209.52  -57.95  131.76
   22.00  -70.54  224.52  -56.30  141.43
   23.00  -68.61  239.52  -56.02  151.84
</PRE>


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