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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>
19 Jul 1997 11:01:44 yearsecs  17233304
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.56  268.44  -51.99  178.66
    1.00  -60.22  283.44  -55.33  190.24
    2.00  -60.87  298.44  -59.06  202.02
    3.00  -61.52  313.44  -63.24  214.44
    4.00  -60.73  328.44  -66.23  230.56
    5.00  -61.73  343.44  -70.72  247.66
    6.00  -62.85  358.44  -74.68  270.32
    7.00  -63.69   13.44  -76.69  301.20
    8.00  -64.08   28.44  -75.56  333.77
    9.00  -63.43   43.44  -71.25  357.52
   10.00  -63.01   58.44  -66.65   14.87
   11.00  -62.82   73.44  -62.49   29.50
   12.00  -62.85   88.44  -58.94   43.17
   13.00  -63.10  103.44  -55.96   56.33
   14.00  -63.58  118.44  -53.62   68.81
   15.00  -64.28  133.44  -52.08   80.50
   16.00  -65.21  148.44  -51.42   91.63
   17.00  -66.36  163.44  -51.49  102.42
   18.00  -66.36  178.44  -50.83  112.48
   19.00  -65.64  193.44  -49.99  122.40
   20.00  -64.05  208.44  -48.95  132.62
   21.00  -62.93  223.44  -49.03  143.29
   22.00  -61.34  238.44  -49.17  154.70
   23.00  -60.21  253.44  -50.17  166.54
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.88  268.44  -61.21  169.59
    1.00  -70.52  283.44  -64.41  178.50
    2.00  -71.40  298.44  -68.20  186.73
    3.00  -72.04  313.44  -72.11  195.24
    4.00  -73.89  328.44  -76.93  199.49
    5.00  -74.78  343.44  -81.12  205.27
    6.00  -75.26  358.44  -85.18  212.51
    7.00  -74.67   13.44  -88.58  271.83
    8.00  -75.25   28.44  -86.49   30.49
    9.00  -75.39   43.44  -82.38   44.19
   10.00  -75.17   58.44  -78.21   51.54
   11.00  -74.86   73.44  -74.16   58.66
   12.00  -74.60   88.44  -70.41   66.21
   13.00  -74.56  103.44  -67.21   74.29
   14.00  -74.46  118.44  -64.46   82.16
   15.00  -74.01  133.44  -61.90   89.64
   16.00  -73.98  148.44  -60.28   97.79
   17.00  -73.00  163.44  -58.19  105.52
   18.00  -72.75  178.44  -57.27  114.04
   19.00  -72.97  193.44  -57.31  122.67
   20.00  -72.41  208.44  -57.11  131.32
   21.00  -70.90  223.44  -56.56  140.63
   22.00  -70.73  238.44  -57.83  149.87
   23.00  -69.52  253.44  -58.61  160.22
</PRE>


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