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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>
19 Jun 1997 23:50:19 yearsecs  14687419
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.16   70.42  -61.19   24.16
    1.00  -61.79   85.42  -58.39   38.98
    2.00  -62.41  100.42  -55.83   52.95
    3.00  -63.02  115.42  -53.56   65.92
    4.00  -62.29  130.42  -50.40   76.77
    5.00  -63.36  145.42  -49.79   88.44
    6.00  -64.10  160.42  -49.37   99.41
    7.00  -64.27  175.42  -48.82  109.94
    8.00  -64.27  190.42  -48.60  120.28
    9.00  -65.05  205.42  -49.76  130.46
   10.00  -64.85  220.42  -50.58  140.66
   11.00  -64.48  235.42  -51.74  151.17
   12.00  -64.40  250.42  -53.60  161.83
   13.00  -64.58  265.42  -56.05  172.58
   14.00  -65.00  280.42  -59.07  183.28
   15.00  -65.65  295.42  -62.72  193.86
   16.00  -66.53  310.42  -67.00  204.44
   17.00  -67.65  325.42  -71.71  215.57
   18.00  -67.62  340.42  -75.46  232.07
   19.00  -66.95  355.42  -78.24  257.04
   20.00  -65.46   10.42  -78.61  292.88
   21.00  -64.29   25.42  -76.33  327.88
   22.00  -62.86   40.42  -71.33  352.50
   23.00  -61.70   55.42  -65.81    9.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.15   70.42  -72.08   44.55
    1.00  -72.00   85.42  -68.99   57.73
    2.00  -72.96  100.42  -66.43   69.34
    3.00  -73.82  115.42  -64.36   79.50
    4.00  -76.08  130.42  -64.26   90.73
    5.00  -77.21  145.42  -63.72   99.41
    6.00  -77.04  160.42  -62.42  106.48
    7.00  -76.58  175.42  -61.25  113.68
    8.00  -77.06  190.42  -61.47  121.30
    9.00  -76.76  205.42  -61.35  128.80
   10.00  -76.63  220.42  -61.89  136.37
   11.00  -76.37  235.42  -62.74  144.12
   12.00  -76.04  250.42  -64.00  152.09
   13.00  -75.94  265.42  -65.86  159.89
   14.00  -75.92  280.42  -68.18  167.51
   15.00  -75.45  295.42  -70.56  176.09
   16.00  -75.32  310.42  -73.57  184.09
   17.00  -74.02  325.42  -76.27  197.02
   18.00  -73.83  340.42  -79.90  208.47
   19.00  -74.39  355.42  -84.06  218.72
   20.00  -73.90   10.42  -87.39  263.25
   21.00  -72.27   25.42  -85.10  346.54
   22.00  -71.90   40.42  -81.06   17.12
   23.00  -70.91   55.42  -76.00   30.54
</PRE>


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