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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>
12 Oct 1997 12:21:36 yearsecs  24582096
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.32  241.74  -49.57  157.16
    1.00  -61.92  256.74  -52.27  168.03
    2.00  -62.54  271.74  -55.29  179.00
    3.00  -63.14  286.74  -58.65  190.07
    4.00  -62.52  301.74  -61.34  202.92
    5.00  -63.69  316.74  -66.07  214.51
    6.00  -64.41  331.74  -70.50  228.60
    7.00  -64.66  346.74  -74.27  247.54
    8.00  -65.03    1.74  -77.38  273.65
    9.00  -64.63   16.74  -77.64  308.57
   10.00  -64.21   31.74  -75.05  340.12
   11.00  -64.02   46.74  -71.08    2.84
   12.00  -64.06   61.74  -67.03   20.09
   13.00  -64.32   76.74  -63.43   35.00
   14.00  -64.80   91.74  -60.37   48.89
   15.00  -65.51  106.74  -57.85   61.97
   16.00  -66.44  121.74  -56.03   74.10
   17.00  -67.60  136.74  -55.08   85.39
   18.00  -67.60  151.74  -53.57   95.26
   19.00  -66.94  166.74  -51.88  104.85
   20.00  -65.48  181.74  -49.87  114.52
   21.00  -64.38  196.74  -48.80  124.60
   22.00  -63.01  211.74  -48.15  135.06
   23.00  -61.84  226.74  -48.31  145.98
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.78  241.74  -60.07  150.41
    1.00  -73.67  256.74  -62.72  158.20
    2.00  -74.59  271.74  -65.71  165.31
    3.00  -75.45  286.74  -68.93  171.66
    4.00  -77.35  301.74  -72.98  173.79
    5.00  -78.61  316.74  -76.46  174.47
    6.00  -78.28  331.74  -79.40  179.51
    7.00  -77.69  346.74  -82.59  184.91
    8.00  -78.37    1.74  -85.59  169.17
    9.00  -78.21   16.74  -87.38  121.40
   10.00  -78.12   31.74  -85.37   74.99
   11.00  -77.87   46.74  -82.01   65.30
   12.00  -77.53   61.74  -78.38   65.37
   13.00  -77.39   76.74  -74.87   69.75
   14.00  -77.37   91.74  -71.70   75.65
   15.00  -76.92  106.74  -68.56   81.01
   16.00  -76.76  121.74  -66.05   87.62
   17.00  -75.50  136.74  -62.95   93.15
   18.00  -75.32  151.74  -61.33  100.72
   19.00  -75.90  166.74  -60.92  108.92
   20.00  -75.40  181.74  -59.88  116.56
   21.00  -73.81  196.74  -58.20  124.53
   22.00  -73.42  211.74  -58.25  132.96
   23.00  -72.59  226.74  -58.43  141.83
</PRE>


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