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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>
28 May 1997 19:54:15 yearsecs  12772455
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.92  127.56  -54.59   77.70
    1.00  -66.00  142.56  -52.80   88.11
    2.00  -66.83  157.56  -52.34   98.69
    3.00  -67.65  172.56  -52.33  108.93
    4.00  -67.28  187.56  -51.61  118.64
    5.00  -67.98  202.56  -52.51  128.33
    6.00  -67.96  217.56  -53.31  137.93
    7.00  -68.41  232.56  -55.06  147.44
    8.00  -69.63  247.56  -57.93  156.35
    9.00  -70.33  262.56  -60.66  165.32
   10.00  -70.32  277.56  -63.15  174.97
   11.00  -69.70  292.56  -65.57  185.83
   12.00  -69.45  307.56  -68.73  196.89
   13.00  -69.49  322.56  -72.46  208.69
   14.00  -69.81  337.56  -76.52  222.31
   15.00  -70.39  352.56  -80.68  240.38
   16.00  -70.97    7.56  -84.18  273.38
   17.00  -71.03   22.56  -84.31  330.60
   18.00  -71.13   37.56  -81.17    8.65
   19.00  -70.43   52.56  -76.38   25.85
   20.00  -69.55   67.56  -71.38   37.69
   21.00  -68.70   82.56  -66.63   48.22
   22.00  -68.03   97.56  -62.39   58.58
   23.00  -67.12  112.56  -58.36   68.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.42  127.56  -62.10   85.67
    1.00  -74.47  142.56  -61.32   95.06
    2.00  -75.21  157.56  -60.78  103.68
    3.00  -79.98  172.56  -64.80  114.01
    4.00  -81.64  187.56  -66.20  120.74
    5.00  -82.02  202.56  -66.66  126.39
    6.00  -81.50  217.56  -66.55  132.27
    7.00  -80.70  232.56  -66.59  138.80
    8.00  -80.83  247.56  -67.88  144.48
    9.00  -80.89  262.56  -69.43  149.88
   10.00  -80.78  277.56  -71.16  155.26
   11.00  -80.90  292.56  -73.29  159.34
   12.00  -81.01  307.56  -75.59  162.32
   13.00  -80.78  322.56  -77.97  165.14
   14.00  -80.56  337.56  -80.49  165.45
   15.00  -80.34  352.56  -82.99  160.34
   16.00  -80.13    7.56  -84.99  142.68
   17.00  -79.91   22.56  -85.32  109.07
   18.00  -80.78   37.56  -82.86   93.15
   19.00  -80.97   52.56  -80.40   86.30
   20.00  -80.25   67.56  -77.74   80.72
   21.00  -78.64   82.56  -74.28   76.54
   22.00  -76.12   97.56  -69.64   74.85
   23.00  -74.55  112.56  -65.52   79.18
</PRE>


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