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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>
12 Oct 1997 19:04:44 yearsecs  24606284
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.37  142.15  -53.21   88.07
    1.00  -66.33  157.15  -51.86   98.17
    2.00  -67.08  172.15  -51.78  108.48
    3.00  -67.83  187.15  -52.15  118.44
    4.00  -67.38  202.15  -51.91  128.10
    5.00  -67.96  217.15  -53.28  137.66
    6.00  -67.80  232.15  -54.45  147.45
    7.00  -68.01  247.15  -56.42  157.23
    8.00  -68.97  262.15  -59.41  166.40
    9.00  -69.29  277.15  -62.20  176.04
   10.00  -69.08  292.15  -64.96  186.53
   11.00  -68.94  307.15  -68.22  197.56
   12.00  -68.92  322.15  -71.91  209.69
   13.00  -69.18  337.15  -75.92  223.79
   14.00  -69.66  352.15  -79.98  242.65
   15.00  -70.37    7.15  -83.52  274.45
   16.00  -71.06   22.15  -84.39  329.22
   17.00  -71.25   37.15  -81.39    8.54
   18.00  -71.39   52.15  -77.34   29.01
   19.00  -70.76   67.15  -72.62   40.73
   20.00  -69.94   82.15  -67.93   50.56
   21.00  -69.15   97.15  -63.59   60.14
   22.00  -68.49  112.15  -59.81   69.75
   23.00  -67.56  127.15  -56.34   78.95
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.15  142.15  -62.03   95.54
    1.00  -75.96  157.15  -61.56  104.02
    2.00  -76.65  172.15  -61.43  112.06
    3.00  -80.91  187.15  -65.45  120.41
    4.00  -82.44  202.15  -67.09  126.15
    5.00  -82.81  217.15  -67.84  131.23
    6.00  -82.36  232.15  -68.12  136.81
    7.00  -81.70  247.15  -68.60  142.96
    8.00  -81.85  262.15  -70.11  147.71
    9.00  -81.93  277.15  -71.81  152.03
   10.00  -81.87  292.15  -73.67  155.98
   11.00  -81.99  307.15  -75.78  158.13
   12.00  -82.27  322.15  -77.91  157.52
   13.00  -82.25  337.15  -79.96  155.25
   14.00  -82.04  352.15  -81.89  149.40
   15.00  -81.78    7.15  -83.36  136.14
   16.00  -81.55   22.15  -83.68  115.42
   17.00  -81.29   37.15  -82.57   96.85
   18.00  -81.96   52.15  -80.14   92.39
   19.00  -82.04   67.15  -77.88   89.95
   20.00  -81.36   82.15  -75.42   87.32
   21.00  -79.89   97.15  -72.30   85.28
   22.00  -77.67  112.15  -68.27   85.04
   23.00  -76.23  127.15  -64.82   89.34
</PRE>


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