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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>
23 Jul 1997 16:57:44 yearsecs  17600264
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.12  181.08  -48.52  113.83
    1.00  -65.72  196.08  -50.11  124.17
    2.00  -67.03  211.08  -51.98  133.94
    3.00  -68.15  226.08  -54.18  143.36
    4.00  -67.95  241.08  -55.61  153.24
    5.00  -68.78  256.08  -58.34  162.56
    6.00  -68.88  271.08  -60.78  172.45
    7.00  -69.07  286.08  -63.71  182.37
    8.00  -69.98  301.08  -67.66  191.22
    9.00  -70.13  316.08  -71.33  201.87
   10.00  -70.26  331.08  -75.20  214.29
   11.00  -69.61  346.08  -78.50  233.52
   12.00  -69.40    1.08  -81.62  261.62
   13.00  -69.44   16.08  -83.04  305.96
   14.00  -69.72   31.08  -81.38  349.86
   15.00  -70.23   46.08  -78.02   17.46
   16.00  -70.85   61.08  -74.37   35.73
   17.00  -71.17   76.08  -70.61   48.97
   18.00  -70.95   91.08  -66.70   59.25
   19.00  -69.97  106.08  -62.47   67.72
   20.00  -69.29  121.08  -59.03   76.75
   21.00  -68.35  136.08  -55.93   85.58
   22.00  -66.02  151.08  -52.02   93.91
   23.00  -64.67  166.08  -49.63  103.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.12  181.08  -53.54  114.77
    1.00  -70.72  196.08  -55.08  124.19
    2.00  -72.03  211.08  -56.85  132.93
    3.00  -77.31  226.08  -62.90  138.77
    4.00  -79.60  241.08  -66.23  143.53
    5.00  -80.13  256.08  -68.13  148.89
    6.00  -79.63  271.08  -69.53  155.68
    7.00  -79.03  286.08  -71.27  162.83
    8.00  -79.34  301.08  -73.90  167.06
    9.00  -79.28  316.08  -76.55  171.38
   10.00  -79.38  331.08  -79.40  173.10
   11.00  -79.09  346.08  -82.32  173.66
   12.00  -78.99    1.08  -85.11  163.22
   13.00  -78.47   16.08  -87.11  124.59
   14.00  -78.04   31.08  -85.55   74.84
   15.00  -77.40   46.08  -82.14   61.56
   16.00  -76.99   61.08  -78.35   62.28
   17.00  -76.17   76.08  -74.35   64.82
   18.00  -76.34   91.08  -71.12   72.34
   19.00  -75.50  106.08  -67.51   77.62
   20.00  -75.13  121.08  -64.67   84.61
   21.00  -73.35  136.08  -60.94   90.35
   22.00  -71.02  151.08  -57.08   97.03
   23.00  -69.67  166.08  -54.68  105.51
</PRE>


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