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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 01:52:18 yearsecs   9510738
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.40   42.26  -71.52  355.85
    1.00  -64.62   57.26  -68.92   16.35
    2.00  -65.43   72.26  -65.84   32.85
    3.00  -67.56   87.26  -64.33   49.77
    4.00  -67.24  102.26  -60.56   60.90
    5.00  -67.99  117.26  -58.38   72.67
    6.00  -68.05  132.26  -56.12   82.82
    7.00  -68.60  147.26  -54.99   92.99
    8.00  -69.80  162.26  -55.03  103.19
    9.00  -69.83  177.26  -54.35  112.55
   10.00  -69.36  192.26  -53.68  121.81
   11.00  -68.95  207.26  -53.66  131.19
   12.00  -68.82  222.26  -54.49  140.67
   13.00  -68.94  237.26  -56.06  150.19
   14.00  -69.32  252.26  -58.28  159.62
   15.00  -69.95  267.26  -61.07  168.75
   16.00  -70.57  282.26  -64.23  177.67
   17.00  -70.65  297.26  -67.35  187.37
   18.00  -70.76  312.26  -70.88  197.54
   19.00  -70.06  327.26  -74.08  211.35
   20.00  -69.18  342.26  -77.20  229.91
   21.00  -68.41  357.26  -79.98  256.56
   22.00  -67.05   12.26  -80.39  296.12
   23.00  -64.98   27.26  -76.83  332.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.40   42.26  -77.25    6.03
    1.00  -69.62   57.26  -74.31   28.17
    2.00  -70.43   72.26  -70.95   44.01
    3.00  -76.61   87.26  -72.12   71.41
    4.00  -78.72  102.26  -70.69   83.58
    5.00  -79.12  117.26  -68.70   90.24
    6.00  -78.14  132.26  -65.95   94.62
    7.00  -77.10  147.26  -63.46  100.17
    8.00  -77.28  162.26  -62.55  107.55
    9.00  -77.36  177.26  -61.98  114.90
   10.00  -77.16  192.26  -61.57  122.22
   11.00  -77.29  207.26  -61.94  129.59
   12.00  -77.63  222.26  -62.97  136.72
   13.00  -77.46  237.26  -63.93  144.07
   14.00  -77.30  252.26  -65.31  151.46
   15.00  -77.13  267.26  -67.09  158.87
   16.00  -76.96  282.26  -69.25  166.22
   17.00  -76.78  297.26  -71.79  173.52
   18.00  -78.01  312.26  -75.35  175.50
   19.00  -78.31  327.26  -78.48  178.48
   20.00  -77.39  342.26  -81.56  186.91
   21.00  -75.30  357.26  -84.88  211.06
   22.00  -72.05   12.26  -85.79  287.15
   23.00  -69.98   27.26  -82.42  341.40
</PRE>


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