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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>
06 Apr 1997 23:36:30 yearsecs   8292990
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.58   76.98  -60.11   30.96
    1.00  -62.85   91.98  -58.14   46.27
    2.00  -63.67  106.98  -55.85   59.90
    3.00  -67.67  121.98  -57.25   75.55
    4.00  -67.32  136.98  -54.78   85.32
    5.00  -68.04  151.98  -53.99   95.68
    6.00  -68.04  166.98  -52.99  105.43
    7.00  -68.51  181.98  -52.91  115.23
    8.00  -69.76  196.98  -54.14  124.74
    9.00  -70.30  211.98  -55.21  133.86
   10.00  -70.06  226.98  -56.07  143.15
   11.00  -69.55  241.98  -57.17  152.84
   12.00  -69.34  256.98  -58.96  162.67
   13.00  -69.41  271.98  -61.39  172.46
   14.00  -69.74  286.98  -64.45  182.01
   15.00  -70.33  301.98  -68.14  191.19
   16.00  -70.46  316.98  -71.80  201.79
   17.00  -70.32  331.98  -75.48  214.98
   18.00  -71.07  346.98  -79.84  229.01
   19.00  -70.36    1.98  -82.68  259.98
   20.00  -69.48   16.98  -83.06  308.95
   21.00  -68.62   31.98  -80.02  348.46
   22.00  -65.62   46.98  -72.91    6.03
   23.00  -63.34   61.98  -66.10   19.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.58   76.98  -65.87   39.29
    1.00  -67.85   91.98  -63.49   54.02
    2.00  -68.67  106.98  -61.01   66.40
    3.00  -75.37  121.98  -64.75   85.44
    4.00  -77.63  136.98  -64.96   95.99
    5.00  -78.03  151.98  -63.98  103.35
    6.00  -77.05  166.98  -62.07  109.71
    7.00  -75.60  181.98  -60.08  116.74
    8.00  -75.53  196.98  -59.93  124.61
    9.00  -75.30  211.98  -60.13  132.55
   10.00  -75.17  226.98  -60.91  140.57
   11.00  -75.42  241.98  -62.51  148.33
   12.00  -75.91  256.98  -64.68  155.62
   13.00  -75.81  271.98  -66.73  163.45
   14.00  -75.70  286.98  -69.16  171.26
   15.00  -75.58  301.98  -71.96  179.05
   16.00  -75.46  316.98  -75.10  186.97
   17.00  -75.32  331.98  -78.52  195.38
   18.00  -76.74  346.98  -82.58  192.74
   19.00  -77.16    1.98  -86.14  185.54
   20.00  -76.27   16.98  -89.43  100.87
   21.00  -74.15   31.98  -85.00   20.90
   22.00  -70.62   46.98  -78.13   20.10
   23.00  -68.34   61.98  -71.73   29.36
</PRE>


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