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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>
09 Jul 1997 18:06:11 yearsecs  16394771
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.08  159.33  -42.22   95.93
    1.00  -57.48  174.33  -41.98  107.58
    2.00  -57.88  189.33  -42.22  119.00
    3.00  -58.28  204.33  -43.09  130.22
    4.00  -58.49  219.33  -44.37  141.41
    5.00  -59.30  234.33  -46.72  152.45
    6.00  -61.17  249.33  -50.47  162.89
    7.00  -62.70  264.33  -54.18  173.22
    8.00  -62.48  279.33  -56.61  184.92
    9.00  -61.86  294.33  -59.07  197.53
   10.00  -61.42  309.33  -62.13  210.83
   11.00  -61.23  324.33  -65.69  225.48
   12.00  -61.27  339.33  -69.35  242.80
   13.00  -61.53  354.33  -72.67  264.72
   14.00  -62.01    9.33  -74.78  293.17
   15.00  -62.72   24.33  -74.64  324.77
   16.00  -63.65   39.33  -72.58  351.93
   17.00  -64.80   54.33  -69.94   13.41
   18.00  -65.01   69.33  -66.13   29.32
   19.00  -63.70   84.33  -60.88   40.81
   20.00  -62.04   99.33  -55.65   51.56
   21.00  -60.85  114.33  -51.42   62.89
   22.00  -59.04  129.33  -47.11   73.56
   23.00  -57.95  144.33  -44.24   84.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.51  159.33  -54.93  101.20
    1.00  -70.44  174.33  -55.08  110.91
    2.00  -71.36  189.33  -55.69  120.17
    3.00  -71.85  204.33  -56.40  129.01
    4.00  -72.75  219.33  -58.03  137.48
    5.00  -74.09  234.33  -60.51  145.25
    6.00  -74.35  249.33  -62.37  153.32
    7.00  -73.30  264.33  -63.49  162.98
    8.00  -73.32  279.33  -65.95  171.60
    9.00  -73.63  294.33  -69.04  179.66
   10.00  -73.10  309.33  -71.90  189.80
   11.00  -72.83  324.33  -75.28  200.53
   12.00  -72.60  339.33  -78.92  213.51
   13.00  -72.47  354.33  -82.67  232.27
   14.00  -72.51    9.33  -85.93  271.58
   15.00  -72.32   24.33  -85.36  343.05
   16.00  -72.69   39.33  -81.99   20.18
   17.00  -72.81   54.33  -77.85   37.18
   18.00  -72.44   69.33  -73.45   47.66
   19.00  -71.58   84.33  -68.89   55.97
   20.00  -71.22   99.33  -65.08   65.33
   21.00  -70.31  114.33  -61.22   73.66
   22.00  -70.41  129.33  -58.90   83.24
   23.00  -69.38  144.33  -56.05   91.67
</PRE>


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