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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 Aug 1997 17:49:44 yearsecs  20108984
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.20  163.86  -49.27  101.86
    1.00  -64.04  178.86  -48.49  112.27
    2.00  -64.94  193.86  -49.30  122.66
    3.00  -65.84  208.86  -50.71  132.67
    4.00  -65.67  223.86  -51.65  142.76
    5.00  -66.81  238.86  -54.29  152.40
    6.00  -67.09  253.86  -56.52  162.41
    7.00  -67.04  268.86  -58.80  172.84
    8.00  -67.79  283.86  -62.18  182.54
    9.00  -67.24  298.86  -64.87  194.21
   10.00  -66.74  313.86  -68.03  206.96
   11.00  -66.48  328.86  -71.60  221.48
   12.00  -66.46  343.86  -75.28  239.51
   13.00  -66.67  358.86  -78.60  264.47
   14.00  -67.11   13.86  -80.49  300.40
   15.00  -67.78   28.86  -79.74  339.69
   16.00  -68.68   43.86  -77.11    9.20
   17.00  -69.70   58.86  -73.93   30.00
   18.00  -69.57   73.86  -69.72   43.12
   19.00  -68.79   88.86  -65.18   53.33
   20.00  -67.58  103.86  -60.57   62.59
   21.00  -66.65  118.86  -56.73   72.27
   22.00  -65.66  133.86  -53.46   81.87
   23.00  -64.74  148.86  -50.90   91.66
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.44  163.86  -57.60  105.47
    1.00  -73.61  178.86  -58.13  114.51
    2.00  -74.66  193.86  -59.03  122.95
    3.00  -77.33  208.86  -62.04  130.35
    4.00  -79.65  223.86  -65.03  136.12
    5.00  -80.31  238.86  -66.69  141.77
    6.00  -79.85  253.86  -67.66  148.48
    7.00  -79.43  268.86  -69.08  155.25
    8.00  -80.07  283.86  -71.58  159.21
    9.00  -79.88  298.86  -73.78  164.54
   10.00  -80.06  313.86  -76.37  167.47
   11.00  -79.70  328.86  -79.00  171.21
   12.00  -79.45  343.86  -81.82  171.57
   13.00  -79.11  358.86  -84.67  164.99
   14.00  -79.03   13.86  -86.47  132.01
   15.00  -78.59   28.86  -85.67   84.86
   16.00  -78.53   43.86  -82.63   71.20
   17.00  -77.65   58.86  -79.10   65.32
   18.00  -77.43   73.86  -75.54   68.83
   19.00  -77.19   88.86  -72.16   73.89
   20.00  -76.61  103.86  -68.83   78.98
   21.00  -74.81  118.86  -64.72   82.95
   22.00  -73.59  133.86  -61.44   89.37
   23.00  -72.64  148.86  -58.90   96.92
</PRE>


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