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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>
04 Jun 1997 13:24:05 yearsecs  13353845
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.41  235.83  -50.80  151.92
    1.00  -63.55  250.83  -52.89  162.64
    2.00  -64.27  265.83  -55.84  173.13
    3.00  -64.97  280.83  -59.12  183.61
    4.00  -64.72  295.83  -61.98  195.38
    5.00  -65.92  310.83  -66.57  205.79
    6.00  -66.20  325.83  -70.59  218.96
    7.00  -66.31  340.83  -74.42  235.77
    8.00  -66.76  355.83  -78.14  258.27
    9.00  -66.22   10.83  -79.44  293.16
   10.00  -65.80   25.83  -78.02  330.03
   11.00  -65.61   40.83  -74.53  357.36
   12.00  -65.65   55.83  -70.50   16.74
   13.00  -65.90   70.83  -66.74   32.42
   14.00  -66.39   85.83  -63.46   46.51
   15.00  -67.09  100.83  -60.73   59.61
   16.00  -68.03  115.83  -58.67   71.72
   17.00  -69.12  130.83  -57.39   82.88
   18.00  -69.07  145.83  -55.59   92.40
   19.00  -68.42  160.83  -53.73  101.61
   20.00  -67.18  175.83  -51.74  110.94
   21.00  -66.11  190.83  -50.44  120.69
   22.00  -65.01  205.83  -49.74  130.73
   23.00  -63.93  220.83  -49.74  141.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.60  235.83  -58.36  147.74
    1.00  -72.73  250.83  -61.11  155.76
    2.00  -73.71  265.83  -64.06  163.30
    3.00  -75.66  280.83  -68.05  168.22
    4.00  -78.19  295.83  -72.38  168.87
    5.00  -78.99  310.83  -75.48  171.25
    6.00  -78.35  325.83  -78.19  177.94
    7.00  -77.97  340.83  -81.30  182.62
    8.00  -78.57  355.83  -84.37  173.34
    9.00  -78.29   10.83  -87.02  147.52
   10.00  -78.43   25.83  -86.29   89.35
   11.00  -78.23   40.83  -83.35   69.59
   12.00  -78.00   55.83  -79.88   66.84
   13.00  -77.80   70.83  -76.38   69.43
   14.00  -77.91   85.83  -73.23   75.03
   15.00  -77.53  100.83  -70.08   79.88
   16.00  -77.47  115.83  -67.54   86.24
   17.00  -76.28  130.83  -64.39   91.21
   18.00  -76.20  145.83  -62.70   98.52
   19.00  -76.59  160.83  -61.94  106.35
   20.00  -75.86  175.83  -60.51  113.61
   21.00  -73.90  190.83  -58.25  121.25
   22.00  -72.81  205.83  -57.41  129.74
   23.00  -71.84  220.83  -57.26  138.70
</PRE>


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