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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>
21 Apr 1997 01:52:05 yearsecs   9510725
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.40   42.32  -71.50  355.92
    1.00  -64.62   57.32  -68.90   16.40
    2.00  -65.42   72.32  -65.82   32.89
    3.00  -67.56   87.32  -64.31   49.81
    4.00  -67.24  102.32  -60.55   60.94
    5.00  -67.99  117.32  -58.37   72.71
    6.00  -68.06  132.32  -56.11   82.85
    7.00  -68.61  147.32  -54.99   93.03
    8.00  -69.81  162.32  -55.04  103.22
    9.00  -69.83  177.32  -54.36  112.58
   10.00  -69.36  192.32  -53.68  121.84
   11.00  -68.96  207.32  -53.66  131.23
   12.00  -68.82  222.32  -54.49  140.71
   13.00  -68.94  237.32  -56.07  150.22
   14.00  -69.32  252.32  -58.28  159.65
   15.00  -69.95  267.32  -61.08  168.78
   16.00  -70.57  282.32  -64.24  177.70
   17.00  -70.65  297.32  -67.36  187.41
   18.00  -70.76  312.32  -70.89  197.59
   19.00  -70.05  327.32  -74.09  211.41
   20.00  -69.18  342.32  -77.22  229.99
   21.00  -68.41  357.32  -79.99  256.68
   22.00  -67.04   12.32  -80.39  296.27
   23.00  -64.97   27.32  -76.81  332.37
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.40   42.32  -77.23    6.10
    1.00  -69.62   57.32  -74.28   28.21
    2.00  -70.42   72.32  -70.93   44.04
    3.00  -76.61   87.32  -72.10   71.42
    4.00  -78.71  102.32  -70.68   83.59
    5.00  -79.12  117.32  -68.69   90.25
    6.00  -78.13  132.32  -65.93   94.63
    7.00  -77.09  147.32  -63.44  100.18
    8.00  -77.27  162.32  -62.54  107.58
    9.00  -77.35  177.32  -61.98  114.92
   10.00  -77.15  192.32  -61.56  122.25
   11.00  -77.28  207.32  -61.94  129.61
   12.00  -77.62  222.32  -62.97  136.75
   13.00  -77.46  237.32  -63.93  144.09
   14.00  -77.30  252.32  -65.31  151.49
   15.00  -77.13  267.32  -67.09  158.90
   16.00  -76.96  282.32  -69.26  166.25
   17.00  -76.78  297.32  -71.80  173.55
   18.00  -78.01  312.32  -75.36  175.53
   19.00  -78.31  327.32  -78.49  178.50
   20.00  -77.39  342.32  -81.57  186.94
   21.00  -75.30  357.32  -84.89  211.14
   22.00  -72.04   12.32  -85.79  287.40
   23.00  -69.97   27.32  -82.41  341.53
</PRE>


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