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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>
30 Jul 1997 12:09:24 yearsecs  18187764
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.32  252.95  -51.14  165.53
    1.00  -62.48  267.95  -54.58  176.14
    2.00  -63.58  282.95  -58.29  186.67
    3.00  -66.52  297.95  -64.05  194.58
    4.00  -66.31  312.95  -67.43  206.93
    5.00  -67.20  327.95  -71.97  219.04
    6.00  -67.25  342.95  -75.76  236.32
    7.00  -67.29  357.95  -79.04  261.12
    8.00  -67.87   12.95  -81.31  297.27
    9.00  -67.60   27.95  -79.70  337.28
   10.00  -67.21   42.95  -75.78    3.90
   11.00  -67.02   57.95  -71.45   22.02
   12.00  -67.07   72.95  -67.44   36.69
   13.00  -67.33   87.95  -63.93   49.92
   14.00  -67.83  102.95  -61.01   62.27
   15.00  -68.54  117.95  -58.81   73.79
   16.00  -69.46  132.95  -57.46   84.56
   17.00  -70.35  147.95  -56.69   94.65
   18.00  -70.14  162.95  -55.33  103.77
   19.00  -69.61  177.95  -54.11  112.92
   20.00  -68.59  192.95  -52.92  122.20
   21.00  -66.64  207.95  -51.43  131.95
   22.00  -64.15  222.95  -50.14  142.60
   23.00  -62.22  237.95  -49.94  153.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.32  252.95  -55.70  162.34
    1.00  -67.48  267.95  -59.04  171.78
    2.00  -68.58  282.95  -62.68  180.89
    3.00  -73.84  297.95  -69.94  181.26
    4.00  -76.51  312.95  -74.78  181.34
    5.00  -76.69  327.95  -78.14  186.84
    6.00  -76.14  342.95  -81.48  195.96
    7.00  -75.55  357.95  -85.12  208.63
    8.00  -76.17   12.95  -89.06  186.99
    9.00  -75.95   27.95  -86.78   43.18
   10.00  -76.31   42.95  -82.79   51.74
   11.00  -76.03   57.95  -78.76   55.83
   12.00  -76.22   72.95  -75.12   63.54
   13.00  -75.95   87.95  -71.51   69.73
   14.00  -75.96  102.95  -68.47   77.06
   15.00  -75.64  117.95  -65.61   83.85
   16.00  -75.92  132.95  -63.80   91.77
   17.00  -75.61  147.95  -61.93   99.01
   18.00  -75.98  162.95  -61.21  107.01
   19.00  -75.42  177.95  -60.00  114.57
   20.00  -74.09  192.95  -58.45  122.43
   21.00  -71.64  207.95  -56.33  131.18
   22.00  -69.15  222.95  -54.86  140.99
   23.00  -67.22  237.95  -54.56  151.57
</PRE>


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