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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
31 Aug 1997 02:07:48 yearsecs  20916468
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.06   39.05  -71.94  350.74
    1.00  -64.32   54.05  -69.44   12.22
    2.00  -65.16   69.05  -66.37   29.33
    3.00  -67.39   84.05  -64.94   46.85
    4.00  -67.15   99.05  -61.17   58.34
    5.00  -68.01  114.05  -58.98   70.47
    6.00  -68.20  129.05  -56.71   80.84
    7.00  -68.91  144.05  -55.61   91.15
    8.00  -69.82  159.05  -55.26  101.19
    9.00  -69.79  174.05  -54.43  110.54
   10.00  -69.24  189.05  -53.56  119.80
   11.00  -68.77  204.05  -53.34  129.20
   12.00  -68.57  219.05  -54.00  138.71
   13.00  -68.65  234.05  -55.44  148.28
   14.00  -68.99  249.05  -57.55  157.79
   15.00  -69.60  264.05  -60.25  167.04
   16.00  -70.20  279.05  -63.32  176.11
   17.00  -70.25  294.05  -66.34  185.93
   18.00  -70.34  309.05  -69.79  196.15
   19.00  -69.60  324.05  -72.92  209.72
   20.00  -68.73  339.05  -76.04  227.32
   21.00  -67.98  354.05  -78.92  251.71
   22.00  -66.73    9.05  -79.90  288.04
   23.00  -64.65   24.05  -76.95  325.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.06   39.05  -77.72    0.04
    1.00  -69.32   54.05  -74.91   23.85
    2.00  -70.16   69.05  -71.56   40.62
    3.00  -76.44   84.05  -72.70   69.41
    4.00  -78.59   99.05  -71.15   82.03
    5.00  -79.00  114.05  -69.05   88.74
    6.00  -78.28  129.05  -66.46   93.47
    7.00  -77.18  144.05  -63.82   98.72
    8.00  -77.32  159.05  -62.79  106.04
    9.00  -77.37  174.05  -62.10  113.34
   10.00  -77.14  189.05  -61.56  120.63
   11.00  -77.25  204.05  -61.81  128.02
   12.00  -77.57  219.05  -62.73  135.21
   13.00  -77.38  234.05  -63.58  142.59
   14.00  -77.20  249.05  -64.86  150.04
   15.00  -77.01  264.05  -66.55  157.53
   16.00  -76.82  279.05  -68.63  165.01
   17.00  -76.62  294.05  -71.09  172.47
   18.00  -77.81  309.05  -74.63  175.13
   19.00  -78.08  324.05  -77.75  178.84
   20.00  -77.15  339.05  -80.79  187.90
   21.00  -75.04  354.05  -83.96  211.26
   22.00  -71.73    9.05  -85.13  275.11
   23.00  -69.65   24.05  -82.60  331.50
</PRE>


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