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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 14:28:00 yearsecs  20096880
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.76  220.92  -46.72  142.06
    1.00  -61.35  235.92  -48.87  152.84
    2.00  -61.95  250.92  -51.42  163.65
    3.00  -62.54  265.92  -54.30  174.55
    4.00  -61.78  280.92  -56.27  186.81
    5.00  -62.89  295.92  -60.36  197.68
    6.00  -63.68  310.92  -64.60  209.26
    7.00  -64.04  325.92  -68.70  222.95
    8.00  -64.22  340.92  -72.54  240.16
    9.00  -63.81  355.92  -75.25  264.25
   10.00  -63.48   10.92  -76.45  295.62
   11.00  -63.37   25.92  -75.17  328.28
   12.00  -63.48   40.92  -71.97  354.04
   13.00  -63.81   55.92  -68.31   13.43
   14.00  -64.36   70.92  -64.96   29.66
   15.00  -65.14   85.92  -62.10   44.48
   16.00  -66.15  100.92  -59.74   58.31
   17.00  -67.40  115.92  -58.02   71.04
   18.00  -67.44  130.92  -55.68   81.37
   19.00  -66.80  145.92  -53.27   90.90
   20.00  -65.24  160.92  -50.50  100.24
   21.00  -64.06  175.92  -48.59  110.23
   22.00  -62.58  190.92  -46.92  120.50
   23.00  -61.36  205.92  -46.19  131.14
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.07  220.92  -59.42  137.84
    1.00  -74.90  235.92  -61.42  145.53
    2.00  -75.80  250.92  -63.84  152.62
    3.00  -76.62  265.92  -66.48  159.07
    4.00  -78.57  280.92  -70.17  161.96
    5.00  -79.56  295.92  -73.15  164.68
    6.00  -79.47  310.92  -75.67  169.34
    7.00  -79.23  325.92  -78.39  173.46
    8.00  -79.55  340.92  -81.26  171.51
    9.00  -79.44  355.92  -84.00  164.97
   10.00  -79.24   10.92  -86.10  140.05
   11.00  -78.91   25.92  -85.89   94.32
   12.00  -78.53   40.92  -83.27   72.34
   13.00  -78.33   55.92  -79.91   68.96
   14.00  -78.20   70.92  -76.52   71.24
   15.00  -77.68   85.92  -73.07   74.29
   16.00  -77.44  100.92  -70.00   79.68
   17.00  -76.17  115.92  -66.40   83.79
   18.00  -75.91  130.92  -64.03   90.73
   19.00  -76.43  145.92  -62.92   98.80
   20.00  -76.03  160.92  -61.38  106.01
   21.00  -74.68  175.92  -59.31  113.23
   22.00  -74.47  190.92  -58.83  121.34
   23.00  -73.74  205.92  -58.34  129.64
</PRE>


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