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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 Aug 1997 23:35:56 yearsecs  19092956
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.35   76.18  -61.25   31.35
    1.00  -62.90   91.18  -58.38   45.64
    2.00  -63.46  106.18  -55.79   59.00
    3.00  -64.01  121.18  -53.60   71.30
    4.00  -63.63  136.18  -51.07   81.99
    5.00  -64.92  151.18  -50.88   93.36
    6.00  -65.37  166.18  -50.32  103.89
    7.00  -65.34  181.18  -49.74  114.11
    8.00  -65.98  196.18  -50.37  124.23
    9.00  -65.38  211.18  -50.40  134.29
   10.00  -64.96  226.18  -51.21  144.57
   11.00  -64.77  241.18  -52.71  155.06
   12.00  -64.81  256.18  -54.81  165.69
   13.00  -65.07  271.18  -57.45  176.37
   14.00  -65.55  286.18  -60.68  186.97
   15.00  -66.26  301.18  -64.55  197.46
   16.00  -67.19  316.18  -68.98  208.13
   17.00  -68.34  331.18  -73.74  219.65
   18.00  -68.37  346.18  -77.49  237.73
   19.00  -67.68    1.18  -79.97  267.03
   20.00  -66.32   16.18  -79.57  306.88
   21.00  -65.22   31.18  -76.36  340.31
   22.00  -63.99   46.18  -71.20    2.06
   23.00  -62.81   61.18  -65.66   17.43
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.37   76.18  -73.14   58.54
    1.00  -75.41   91.18  -70.42   69.82
    2.00  -76.33  106.18  -68.18   79.44
    3.00  -77.27  121.18  -66.58   88.24
    4.00  -79.53  136.18  -66.80   98.45
    5.00  -80.46  151.18  -66.40  105.70
    6.00  -80.10  166.18  -65.18  111.41
    7.00  -79.80  181.18  -64.39  117.60
    8.00  -80.30  196.18  -64.82  124.07
    9.00  -80.00  211.18  -64.81  130.48
   10.00  -79.95  226.18  -65.47  136.88
   11.00  -79.73  241.18  -66.35  143.42
   12.00  -79.35  256.18  -67.50  150.23
   13.00  -79.15  271.18  -69.18  156.75
   14.00  -79.19  286.18  -71.38  162.44
   15.00  -78.76  301.18  -73.63  169.03
   16.00  -78.57  316.18  -76.33  174.48
   17.00  -77.19  331.18  -79.02  185.41
   18.00  -76.94  346.18  -82.41  190.99
   19.00  -77.51    1.18  -85.85  181.09
   20.00  -77.06   16.18  -88.63  123.90
   21.00  -75.46   31.18  -85.80   36.59
   22.00  -74.93   46.18  -81.43   42.55
   23.00  -74.31   61.18  -76.99   49.13
</PRE>


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