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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>
15 Aug 1997 22:24:44 yearsecs  19607084
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.08   93.70  -61.28   52.47
    1.00  -66.20  108.70  -58.17   64.34
    2.00  -66.95  123.70  -56.24   75.99
    3.00  -67.68  138.70  -54.94   86.75
    4.00  -67.21  153.70  -53.02   96.33
    5.00  -67.78  168.70  -52.63  106.45
    6.00  -67.59  183.70  -51.95  116.18
    7.00  -67.77  198.70  -52.19  125.87
    8.00  -68.68  213.70  -53.74  135.30
    9.00  -69.11  228.70  -55.33  144.64
   10.00  -69.58  243.70  -57.40  153.92
   11.00  -69.13  258.70  -59.03  163.99
   12.00  -69.06  273.70  -61.39  174.01
   13.00  -69.26  288.70  -64.40  183.88
   14.00  -69.71  303.70  -68.04  193.58
   15.00  -70.39  318.70  -72.18  203.29
   16.00  -71.07  333.70  -76.46  214.19
   17.00  -71.25  348.70  -80.40  230.56
   18.00  -71.38    3.70  -83.92  259.51
   19.00  -70.75   18.70  -84.38  315.79
   20.00  -69.92   33.70  -80.98  356.20
   21.00  -69.10   48.70  -76.20   16.94
   22.00  -68.39   63.70  -71.30   31.16
   23.00  -67.37   78.70  -66.26   42.33
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.08   93.70  -66.21   61.31
    1.00  -72.20  108.70  -64.07   72.97
    2.00  -72.98  123.70  -62.24   82.93
    3.00  -78.33  138.70  -65.43   97.73
    4.00  -80.21  153.70  -65.99  106.41
    5.00  -80.60  168.70  -65.58  112.82
    6.00  -79.92  183.70  -64.47  118.73
    7.00  -78.93  198.70  -63.43  125.26
    8.00  -78.99  213.70  -63.88  132.03
    9.00  -78.99  228.70  -64.70  138.76
   10.00  -78.81  243.70  -65.75  145.62
   11.00  -78.84  258.70  -67.37  152.12
   12.00  -79.10  273.70  -69.49  157.87
   13.00  -78.92  288.70  -71.61  164.12
   14.00  -78.75  303.70  -74.08  169.94
   15.00  -78.56  318.70  -76.83  175.19
   16.00  -78.41  333.70  -79.82  179.06
   17.00  -78.22  348.70  -82.99  180.17
   18.00  -79.25    3.70  -85.33  156.51
   19.00  -79.49   18.70  -85.97  117.00
   20.00  -78.70   33.70  -84.71   79.26
   21.00  -76.89   48.70  -81.41   57.97
   22.00  -74.12   63.70  -76.18   49.93
   23.00  -72.37   78.70  -70.96   54.10
</PRE>


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