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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>
05 Apr 1997 12:03:19 yearsecs   8164999
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.60  252.25  -53.14  163.65
    1.00  -63.64  267.25  -55.51  174.69
    2.00  -64.40  282.25  -58.89  185.29
    3.00  -65.15  297.25  -62.68  195.93
    4.00  -64.91  312.25  -66.03  208.61
    5.00  -66.07  327.25  -70.84  220.64
    6.00  -66.34  342.25  -74.79  237.59
    7.00  -66.27  357.25  -77.92  262.14
    8.00  -66.89   12.25  -80.22  296.21
    9.00  -66.37   27.25  -78.44  333.80
   10.00  -65.96   42.25  -74.56    0.13
   11.00  -65.77   57.25  -70.25   18.54
   12.00  -65.80   72.25  -66.25   33.53
   13.00  -66.06   87.25  -62.77   47.13
   14.00  -66.54  102.25  -59.86   59.89
   15.00  -67.25  117.25  -57.63   71.80
   16.00  -68.18  132.25  -56.25   82.92
   17.00  -69.26  147.25  -55.65   93.43
   18.00  -69.18  162.25  -54.41  102.88
   19.00  -68.55  177.25  -53.07  112.21
   20.00  -67.34  192.25  -51.67  121.69
   21.00  -66.28  207.25  -51.05  131.54
   22.00  -65.19  222.25  -51.05  141.81
   23.00  -64.14  237.25  -51.65  152.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.08  252.25  -58.95  158.98
    1.00  -71.21  267.25  -62.15  167.30
    2.00  -72.21  282.25  -65.58  175.14
    3.00  -74.52  297.25  -70.28  179.29
    4.00  -77.10  312.25  -74.93  178.91
    5.00  -78.08  327.25  -78.41  179.69
    6.00  -77.47  342.25  -81.57  186.33
    7.00  -76.88  357.25  -85.06  191.81
    8.00  -77.78   12.25  -87.65  146.90
    9.00  -77.52   27.25  -86.61   73.27
   10.00  -77.71   42.25  -83.08   64.37
   11.00  -77.52   57.25  -79.45   64.14
   12.00  -77.33   72.25  -75.86   67.86
   13.00  -77.14   87.25  -72.47   73.07
   14.00  -77.26  102.25  -69.63   79.82
   15.00  -76.89  117.25  -66.83   85.75
   16.00  -76.89  132.25  -64.79   92.76
   17.00  -75.69  147.25  -62.07   98.72
   18.00  -75.61  162.25  -60.87  106.41
   19.00  -75.88  177.25  -60.48  114.35
   20.00  -75.04  192.25  -59.40  122.09
   21.00  -72.90  207.25  -57.54  130.54
   22.00  -71.59  222.25  -57.13  139.64
   23.00  -70.44  237.25  -57.44  149.31
</PRE>


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