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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>
04 Oct 1997 23:59:08 yearsecs  23932748
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.58   69.88  -64.31   27.34
    1.00  -64.81   84.88  -61.99   43.05
    2.00  -65.64   99.88  -59.43   56.76
    3.00  -67.57  114.88  -58.38   70.51
    4.00  -67.28  129.88  -55.66   80.53
    5.00  -68.08  144.88  -54.68   91.08
    6.00  -68.19  159.88  -53.56  100.88
    7.00  -68.79  174.88  -53.39  110.76
    8.00  -70.20  189.88  -54.52  120.39
    9.00  -71.07  204.88  -55.65  129.44
   10.00  -70.30  219.88  -55.71  138.68
   11.00  -69.67  234.88  -56.47  148.27
   12.00  -69.36  249.88  -57.99  158.04
   13.00  -69.35  264.88  -60.17  167.83
   14.00  -69.63  279.88  -62.99  177.42
   15.00  -70.18  294.88  -66.45  186.61
   16.00  -70.73  309.88  -70.29  195.90
   17.00  -70.76  324.88  -74.00  207.32
   18.00  -70.83  339.88  -77.86  221.36
   19.00  -70.09  354.88  -80.97  245.78
   20.00  -69.17    9.88  -82.56  286.29
   21.00  -68.29   24.88  -80.98  331.05
   22.00  -67.16   39.88  -76.53  359.11
   23.00  -65.12   54.88  -70.16   14.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.58   69.88  -69.81   37.30
    1.00  -69.81   84.88  -67.13   52.36
    2.00  -70.64   99.88  -64.42   64.64
    3.00  -76.77  114.88  -67.09   84.43
    4.00  -78.87  129.88  -66.88   94.79
    5.00  -79.28  144.88  -65.76  101.66
    6.00  -78.46  159.88  -63.87  107.35
    7.00  -77.24  174.88  -61.94  113.69
    8.00  -77.25  189.88  -61.67  121.05
    9.00  -77.16  204.88  -61.74  128.44
   10.00  -77.03  219.88  -62.25  135.89
   11.00  -77.17  234.88  -63.45  143.17
   12.00  -77.52  249.88  -65.23  150.04
   13.00  -77.36  264.88  -66.94  157.36
   14.00  -77.19  279.88  -69.04  164.62
   15.00  -77.03  294.88  -71.50  171.77
   16.00  -76.86  309.88  -74.32  178.79
   17.00  -76.67  324.88  -77.44  185.71
   18.00  -77.92  339.88  -81.08  182.90
   19.00  -78.25  354.88  -84.28  177.31
   20.00  -77.40    9.88  -87.66  163.86
   21.00  -75.38   24.88  -87.52   28.17
   22.00  -72.16   39.88  -81.42   17.74
   23.00  -70.12   54.88  -75.45   27.28
</PRE>


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