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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>
22 Jul 1997 18:50:08 yearsecs  17520608
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.02  147.12  -49.28   89.46
    1.00  -63.37  162.12  -48.52  100.32
    2.00  -63.99  177.12  -48.48  111.05
    3.00  -64.60  192.12  -48.94  121.46
    4.00  -64.32  207.12  -49.14  131.68
    5.00  -65.59  222.12  -51.42  141.61
    6.00  -65.91  237.12  -53.27  151.67
    7.00  -65.79  252.12  -55.10  162.13
    8.00  -66.49  267.12  -58.02  172.14
    9.00  -65.94  282.12  -60.23  183.51
   10.00  -65.48  297.12  -62.95  195.40
   11.00  -65.29  312.12  -66.33  207.90
   12.00  -65.32  327.12  -70.15  221.94
   13.00  -65.58  342.12  -74.08  239.08
   14.00  -66.06  357.12  -77.70  262.33
   15.00  -66.77   12.12  -80.09  295.98
   16.00  -67.70   27.12  -79.96  335.54
   17.00  -68.83   42.12  -77.73    7.09
   18.00  -68.83   57.12  -73.57   25.71
   19.00  -68.15   72.12  -68.78   38.29
   20.00  -66.86   87.12  -63.65   48.41
   21.00  -65.78  102.12  -59.09   58.73
   22.00  -64.63  117.12  -54.95   68.86
   23.00  -63.49  132.12  -51.43   78.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.32  147.12  -57.74   94.87
    1.00  -72.49  162.12  -57.74  104.48
    2.00  -73.49  177.12  -58.05  113.50
    3.00  -74.97  192.12  -59.33  122.02
    4.00  -77.64  207.12  -62.29  129.42
    5.00  -78.55  222.12  -63.86  136.09
    6.00  -77.90  237.12  -64.32  143.59
    7.00  -77.23  252.12  -65.24  151.48
    8.00  -78.14  267.12  -67.87  157.01
    9.00  -77.81  282.12  -69.83  164.25
   10.00  -77.81  297.12  -72.39  170.53
   11.00  -77.70  312.12  -75.18  176.66
   12.00  -77.40  327.12  -78.19  183.07
   13.00  -77.23  342.12  -81.51  188.00
   14.00  -77.39  357.12  -84.97  185.73
   15.00  -76.99   12.12  -88.34  161.08
   16.00  -76.89   27.12  -86.89   62.26
   17.00  -75.47   42.12  -82.77   44.08
   18.00  -75.31   57.12  -78.64   51.55
   19.00  -75.92   72.12  -75.15   61.98
   20.00  -75.28   87.12  -71.21   67.37
   21.00  -73.28  102.12  -66.36   70.99
   22.00  -72.38  117.12  -62.72   78.28
   23.00  -71.50  132.12  -59.61   86.09
</PRE>


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