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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>
02 Apr 1997 12:39:35 yearsecs   7907975
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.76  243.89  -45.47  160.82
    1.00  -57.12  258.89  -48.09  172.54
    2.00  -57.48  273.89  -51.01  184.54
    3.00  -57.83  288.89  -54.19  196.85
    4.00  -58.19  303.89  -57.76  209.56
    5.00  -58.96  318.89  -62.14  222.78
    6.00  -60.92  333.89  -67.74  236.54
    7.00  -62.54  348.89  -72.68  254.45
    8.00  -62.16    3.89  -74.61  281.77
    9.00  -61.60   18.89  -74.01  313.49
   10.00  -61.20   33.89  -70.89  340.86
   11.00  -61.01   48.89  -66.71    1.24
   12.00  -61.06   63.89  -62.72   17.59
   13.00  -61.32   78.89  -59.34   32.36
   14.00  -61.81   93.89  -56.54   46.54
   15.00  -62.52  108.89  -54.24   60.14
   16.00  -63.45  123.89  -52.58   72.82
   17.00  -64.61  138.89  -51.76   84.60
   18.00  -64.85  153.89  -50.60   95.20
   19.00  -63.46  168.89  -48.26  105.14
   20.00  -61.80  183.89  -46.14  115.43
   21.00  -60.59  198.89  -45.13  126.13
   22.00  -58.75  213.89  -44.18  137.29
   23.00  -57.66  228.89  -44.51  148.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.18  243.89  -57.97  153.62
    1.00  -71.12  258.89  -60.80  162.20
    2.00  -72.00  273.89  -63.92  170.37
    3.00  -72.45  288.89  -67.04  178.76
    4.00  -73.18  303.89  -70.73  186.27
    5.00  -74.49  318.89  -74.99  191.39
    6.00  -74.38  333.89  -78.54  201.00
    7.00  -73.75  348.89  -82.04  216.62
    8.00  -73.80    3.89  -85.90  239.83
    9.00  -74.21   18.89  -88.09  331.44
   10.00  -73.72   33.89  -84.21   19.75
   11.00  -73.41   48.89  -79.80   35.29
   12.00  -73.23   63.89  -75.52   46.51
   13.00  -73.09   78.89  -71.50   56.25
   14.00  -73.13   93.89  -67.99   65.77
   15.00  -72.98  108.89  -64.76   74.40
   16.00  -73.38  123.89  -62.59   83.57
   17.00  -73.63  138.89  -60.88   92.20
   18.00  -73.23  153.89  -59.07  100.24
   19.00  -72.23  168.89  -57.11  108.30
   20.00  -71.85  183.89  -56.23  117.01
   21.00  -71.00  198.89  -55.40  125.87
   22.00  -71.07  213.89  -56.07  134.83
   23.00  -70.09  228.89  -56.27  144.32
</PRE>


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