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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>
13 Sep 1997 21:33:40 yearsecs  22109620
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.63  106.04  -57.07   60.32
    1.00  -64.12  121.04  -53.74   71.30
    2.00  -65.12  136.04  -52.62   82.98
    3.00  -66.12  151.04  -52.12   93.93
    4.00  -65.92  166.04  -50.90  104.01
    5.00  -66.92  181.04  -51.34  114.32
    6.00  -67.08  196.04  -51.45  124.15
    7.00  -66.93  211.04  -51.88  133.93
    8.00  -67.60  226.04  -53.67  143.54
    9.00  -67.21  241.04  -54.92  153.65
   10.00  -66.80  256.04  -56.57  164.13
   11.00  -66.60  271.04  -58.79  174.81
   12.00  -66.64  286.04  -61.61  185.56
   13.00  -66.90  301.04  -65.08  196.39
   14.00  -67.38  316.04  -69.11  207.65
   15.00  -68.09  331.04  -73.50  220.15
   16.00  -69.02  346.04  -78.00  235.50
   17.00  -70.00    1.04  -82.17  259.19
   18.00  -69.81   16.04  -83.46  305.74
   19.00  -69.26   31.04  -80.90  348.27
   20.00  -68.17   46.04  -75.98   10.75
   21.00  -67.15   61.04  -70.74   25.55
   22.00  -66.16   76.04  -65.67   37.67
   23.00  -65.28   91.04  -61.05   49.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.48  106.04  -64.85   71.83
    1.00  -73.50  121.04  -63.14   82.14
    2.00  -74.45  136.04  -62.02   91.55
    3.00  -77.73  151.04  -63.75  102.60
    4.00  -79.88  166.04  -64.97  111.19
    5.00  -80.33  181.04  -64.94  117.74
    6.00  -79.78  196.04  -64.27  124.03
    7.00  -79.30  211.04  -64.10  130.71
    8.00  -79.83  226.04  -65.34  136.92
    9.00  -79.60  241.04  -66.23  143.51
   10.00  -79.83  256.04  -67.88  149.39
   11.00  -79.61  271.04  -69.50  155.71
   12.00  -79.54  286.04  -71.58  161.44
   13.00  -79.26  301.04  -73.86  167.30
   14.00  -79.24  316.04  -76.53  171.55
   15.00  -78.89  331.04  -79.34  175.92
   16.00  -78.99  346.04  -82.33  174.47
   17.00  -78.43    1.04  -85.42  169.46
   18.00  -78.57   16.04  -87.00  124.74
   19.00  -78.36   31.04  -85.40   78.82
   20.00  -77.46   46.04  -82.16   62.04
   21.00  -75.63   61.04  -77.77   55.25
   22.00  -74.10   76.04  -72.98   57.56
   23.00  -72.88   91.04  -68.41   63.44
</PRE>


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