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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 15:28:56 yearsecs  17508536
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.94  207.92  -46.87  132.51
    1.00  -63.59  222.92  -49.61  142.74
    2.00  -65.09  237.92  -52.61  152.62
    3.00  -66.73  252.92  -56.06  162.03
    4.00  -66.66  267.92  -58.31  172.54
    5.00  -67.78  282.92  -61.98  181.90
    6.00  -68.11  297.92  -65.40  192.17
    7.00  -68.20  312.92  -69.02  203.47
    8.00  -69.07  327.92  -73.49  214.59
    9.00  -68.56  342.92  -76.86  232.68
   10.00  -67.89  357.92  -79.61  259.47
   11.00  -67.50   12.92  -80.90  297.52
   12.00  -67.37   27.92  -79.45  336.80
   13.00  -67.49   42.92  -76.10    4.56
   14.00  -67.85   57.92  -72.34   23.98
   15.00  -68.44   72.92  -68.87   39.66
   16.00  -69.27   87.92  -65.86   53.53
   17.00  -68.99  102.92  -62.18   64.02
   18.00  -68.81  117.92  -59.08   74.08
   19.00  -67.75  132.92  -55.72   82.98
   20.00  -66.90  147.92  -53.19   92.30
   21.00  -64.83  162.92  -49.96  101.45
   22.00  -63.24  177.92  -47.71  111.45
   23.00  -62.07  192.92  -46.44  121.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.94  207.92  -51.72  131.89
    1.00  -68.59  222.92  -54.33  141.17
    2.00  -70.09  237.92  -57.19  149.94
    3.00  -74.42  252.92  -62.87  155.24
    4.00  -77.29  267.92  -67.30  158.90
    5.00  -77.98  282.92  -70.08  164.20
    6.00  -77.40  297.92  -72.29  172.05
    7.00  -76.91  312.92  -74.98  179.86
    8.00  -77.41  327.92  -78.37  183.25
    9.00  -77.23  342.92  -81.69  188.18
   10.00  -77.31  357.92  -85.16  186.20
   11.00  -76.83   12.92  -88.61  159.59
   12.00  -76.62   27.92  -86.75   56.20
   13.00  -76.12   42.92  -82.75   50.05
   14.00  -75.90   57.92  -78.71   55.11
   15.00  -75.23   72.92  -74.53   59.72
   16.00  -75.09   87.92  -70.90   67.26
   17.00  -73.99  102.92  -66.83   72.86
   18.00  -73.81  117.92  -63.93   80.87
   19.00  -72.75  132.92  -60.74   87.91
   20.00  -71.90  147.92  -58.25   95.79
   21.00  -69.83  162.92  -55.02  103.61
   22.00  -68.24  177.92  -52.74  112.56
   23.00  -67.07  192.92  -51.41  122.12
</PRE>


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