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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>
29 Jun 1997 21:46:46 yearsecs  15544006
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.57  100.76  -57.03   54.69
    1.00  -63.62  115.76  -54.14   66.79
    2.00  -64.37  130.76  -52.53   78.65
    3.00  -65.12  145.76  -51.57   89.73
    4.00  -64.87  160.76  -50.14   99.97
    5.00  -66.05  175.76  -50.60  110.60
    6.00  -66.31  190.76  -50.64  120.65
    7.00  -66.18  205.76  -50.88  130.57
    8.00  -66.87  220.76  -52.52  140.32
    9.00  -66.36  235.76  -53.52  150.53
   10.00  -65.93  250.76  -55.04  161.08
   11.00  -65.74  265.76  -57.14  171.84
   12.00  -65.77  280.76  -59.82  182.70
   13.00  -66.03  295.76  -63.13  193.60
   14.00  -66.51  310.76  -67.06  204.75
   15.00  -67.22  325.76  -71.44  216.81
   16.00  -68.15  340.76  -75.99  231.06
   17.00  -69.23  355.76  -80.41  250.83
   18.00  -69.16   10.76  -82.62  289.02
   19.00  -68.53   25.76  -81.11  333.74
   20.00  -67.31   40.76  -76.47    0.85
   21.00  -66.25   55.76  -71.20   17.90
   22.00  -65.15   70.76  -65.91   30.93
   23.00  -64.10   85.76  -60.99   42.69
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.45  100.76  -64.05   64.91
    1.00  -71.59  115.76  -62.20   76.34
    2.00  -72.60  130.76  -60.87   86.49
    3.00  -74.83  145.76  -61.36   97.12
    4.00  -77.47  160.76  -62.83  106.97
    5.00  -78.24  175.76  -62.93  114.54
    6.00  -77.52  190.76  -61.94  121.51
    7.00  -76.81  205.76  -61.41  128.95
    8.00  -77.59  220.76  -62.85  136.02
    9.00  -77.22  235.76  -63.57  143.56
   10.00  -77.43  250.76  -65.25  150.57
   11.00  -77.26  265.76  -66.98  157.93
   12.00  -77.09  280.76  -69.10  165.24
   13.00  -76.92  295.76  -71.60  172.45
   14.00  -77.06  310.76  -74.61  178.44
   15.00  -76.70  325.76  -77.65  185.94
   16.00  -76.71  340.76  -81.09  191.30
   17.00  -75.55  355.76  -84.55  207.25
   18.00  -75.53   10.76  -88.52  222.60
   19.00  -75.91   25.76  -87.37   41.73
   20.00  -75.15   40.76  -83.03   40.47
   21.00  -73.12   55.76  -77.68   39.80
   22.00  -71.88   70.76  -72.61   46.96
   23.00  -70.77   85.76  -67.81   55.11
</PRE>


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