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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 Jul 1997 19:12:50 yearsecs  16657970
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.97  140.45  -49.89   84.63
    1.00  -64.62  155.45  -50.24   96.17
    2.00  -65.78  170.45  -50.54  106.95
    3.00  -67.21  185.45  -51.55  117.26
    4.00  -66.63  200.45  -51.12  127.04
    5.00  -67.15  215.45  -52.38  136.77
    6.00  -66.91  230.45  -53.46  146.72
    7.00  -67.13  245.45  -55.40  156.67
    8.00  -68.16  260.45  -58.44  166.02
    9.00  -68.57  275.45  -61.27  175.76
   10.00  -68.39  290.45  -64.03  186.37
   11.00  -68.28  305.45  -67.27  197.49
   12.00  -68.34  320.45  -71.01  209.52
   13.00  -68.70  335.45  -75.11  223.27
   14.00  -69.32  350.45  -79.31  241.11
   15.00  -70.22    5.45  -83.13  269.95
   16.00  -71.13   20.45  -84.66  323.15
   17.00  -70.98   35.45  -81.58    4.14
   18.00  -71.82   50.45  -78.18   29.06
   19.00  -71.53   65.45  -73.75   41.71
   20.00  -71.00   80.45  -69.34   51.79
   21.00  -69.12   95.45  -63.95   58.86
   22.00  -65.99  110.45  -57.61   65.39
   23.00  -64.19  125.45  -53.11   74.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.97  140.45  -55.03   88.12
    1.00  -69.62  155.45  -55.32   98.82
    2.00  -70.78  170.45  -55.58  108.66
    3.00  -77.09  185.45  -61.54  118.85
    4.00  -79.31  200.45  -63.84  126.00
    5.00  -79.86  215.45  -64.83  132.37
    6.00  -79.26  230.45  -65.07  139.31
    7.00  -78.30  245.45  -65.46  147.02
    8.00  -78.42  260.45  -67.23  153.59
    9.00  -78.46  275.45  -69.28  159.97
   10.00  -78.26  290.45  -71.50  166.57
   11.00  -78.37  305.45  -74.21  171.86
   12.00  -78.42  320.45  -77.13  176.30
   13.00  -78.05  335.45  -80.14  181.46
   14.00  -77.61  350.45  -83.43  185.28
   15.00  -77.13    5.45  -86.93  181.54
   16.00  -76.60   20.45  -88.56   73.87
   17.00  -75.98   35.45  -84.74   45.90
   18.00  -76.82   50.45  -80.95   57.93
   19.00  -76.53   65.45  -77.09   61.63
   20.00  -76.00   80.45  -73.23   66.28
   21.00  -74.12   95.45  -68.48   68.93
   22.00  -70.99  110.45  -62.60   72.15
   23.00  -69.19  125.45  -58.24   79.48
</PRE>


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