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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>
31 Aug 1997 20:49:36 yearsecs  20983776
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.82  117.07  -56.20   70.09
    1.00  -65.45  132.07  -53.48   80.45
    2.00  -66.37  147.07  -52.73   91.40
    3.00  -67.28  162.07  -52.50  101.89
    4.00  -66.96  177.07  -51.47  111.70
    5.00  -67.69  192.07  -52.01  121.59
    6.00  -67.64  207.07  -52.37  131.25
    7.00  -67.69  222.07  -53.40  140.92
    8.00  -68.52  237.07  -55.65  150.30
    9.00  -68.50  252.07  -57.52  160.13
   10.00  -68.25  267.07  -59.56  170.41
   11.00  -68.06  282.07  -62.06  180.94
   12.00  -68.09  297.07  -65.20  191.56
   13.00  -68.35  312.07  -68.93  202.49
   14.00  -68.84  327.07  -73.09  214.37
   15.00  -69.54  342.07  -77.45  228.48
   16.00  -70.34  357.07  -81.66  248.96
   17.00  -70.86   12.07  -84.52  289.91
   18.00  -70.83   27.07  -83.34  344.00
   19.00  -70.25   42.07  -79.15   11.97
   20.00  -69.34   57.07  -74.09   27.12
   21.00  -68.45   72.07  -69.10   38.94
   22.00  -67.67   87.07  -64.49   49.82
   23.00  -66.80  102.07  -60.16   60.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.83  117.07  -62.20   77.47
    1.00  -72.88  132.07  -60.97   87.56
    2.00  -73.73  147.07  -60.15   96.82
    3.00  -78.34  162.07  -63.63  108.26
    4.00  -80.29  177.07  -64.99  116.07
    5.00  -80.64  192.07  -65.15  122.37
    6.00  -80.02  207.07  -64.71  128.72
    7.00  -79.29  222.07  -64.59  135.59
    8.00  -79.53  237.07  -65.82  141.91
    9.00  -79.40  252.07  -67.09  148.44
   10.00  -79.38  267.07  -68.82  154.62
   11.00  -79.27  282.07  -70.81  160.69
   12.00  -79.43  297.07  -73.27  165.47
   13.00  -79.21  312.07  -75.79  170.70
   14.00  -79.10  327.07  -78.59  174.31
   15.00  -78.85  342.07  -81.55  176.28
   16.00  -78.86  357.07  -84.48  169.40
   17.00  -78.61   12.07  -86.82  140.33
   18.00  -79.28   27.07  -85.43   95.22
   19.00  -79.20   42.07  -82.85   77.60
   20.00  -78.32   57.07  -79.65   69.02
   21.00  -76.53   72.07  -75.50   64.41
   22.00  -74.27   87.07  -70.46   64.54
   23.00  -72.73  102.07  -65.88   69.89
</PRE>


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