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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>
18 Mar 1997 20:47:16 yearsecs   6641236
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.15  121.28  -54.78   72.48
    1.00  -64.39  136.28  -51.84   82.60
    2.00  -65.50  151.28  -51.47   93.75
    3.00  -66.61  166.28  -51.58  104.42
    4.00  -66.44  181.28  -50.84  114.38
    5.00  -67.35  196.28  -51.73  124.31
    6.00  -67.45  211.28  -52.40  133.99
    7.00  -67.29  226.28  -53.41  143.81
    8.00  -67.96  241.28  -55.64  153.37
    9.00  -67.65  256.28  -57.36  163.63
   10.00  -67.26  271.28  -59.40  174.32
   11.00  -67.05  286.28  -62.02  185.21
   12.00  -67.08  301.28  -65.29  196.28
   13.00  -67.34  316.28  -69.14  207.92
   14.00  -67.83  331.28  -73.34  221.02
   15.00  -68.53  346.28  -77.65  237.38
   16.00  -69.46    1.28  -81.71  261.86
   17.00  -70.39   16.28  -84.09  306.49
   18.00  -70.15   31.28  -81.77  351.86
   19.00  -69.62   46.28  -77.39   15.53
   20.00  -68.61   61.28  -72.19   29.35
   21.00  -67.61   76.28  -67.14   40.75
   22.00  -66.68   91.28  -62.46   51.47
   23.00  -65.87  106.28  -58.32   62.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.76  121.28  -62.41   81.25
    1.00  -73.74  136.28  -61.29   90.88
    2.00  -74.68  151.28  -60.73   99.92
    3.00  -78.49  166.28  -63.55  110.29
    4.00  -80.49  181.28  -65.10  117.90
    5.00  -80.81  196.28  -65.34  124.10
    6.00  -80.28  211.28  -65.09  130.41
    7.00  -79.84  226.28  -65.37  137.01
    8.00  -80.26  241.28  -66.83  142.81
    9.00  -80.05  256.28  -68.09  149.10
   10.00  -80.30  271.28  -70.03  154.27
   11.00  -80.14  286.28  -71.97  159.82
   12.00  -80.12  301.28  -74.28  164.37
   13.00  -79.82  316.28  -76.73  169.00
   14.00  -79.75  331.28  -79.45  171.00
   15.00  -79.42  346.28  -82.28  171.03
   16.00  -79.57    1.28  -84.75  157.51
   17.00  -79.25   16.28  -86.27  123.87
   18.00  -79.50   31.28  -84.65   90.15
   19.00  -79.07   46.28  -82.02   74.94
   20.00  -78.11   61.28  -78.65   68.43
   21.00  -76.32   76.28  -74.39   65.47
   22.00  -74.59   91.28  -69.77   67.75
   23.00  -73.26  106.28  -65.51   73.37
</PRE>


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