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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>
14 Apr 1997 20:23:06 yearsecs   8972586
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.04  123.50  -55.34   74.95
    1.00  -65.81  138.50  -53.04   85.19
    2.00  -66.66  153.50  -52.47   95.89
    3.00  -67.50  168.50  -52.37  106.22
    4.00  -67.13  183.50  -51.49  115.97
    5.00  -67.80  198.50  -52.22  125.74
    6.00  -67.70  213.50  -52.78  135.38
    7.00  -67.82  228.50  -54.11  145.06
    8.00  -68.70  243.50  -56.58  154.37
    9.00  -68.85  258.50  -58.75  164.10
   10.00  -68.61  273.50  -60.96  174.39
   11.00  -68.40  288.50  -63.63  184.99
   12.00  -68.43  303.50  -66.95  195.75
   13.00  -68.69  318.50  -70.80  207.08
   14.00  -69.17  333.50  -74.99  219.86
   15.00  -69.88  348.50  -79.30  236.03
   16.00  -70.63    3.50  -83.21  262.72
   17.00  -71.02   18.50  -84.70  315.35
   18.00  -71.05   33.50  -82.14    0.66
   19.00  -70.46   48.50  -77.55   21.33
   20.00  -69.58   63.50  -72.53   34.12
   21.00  -68.74   78.50  -67.70   45.01
   22.00  -68.00   93.50  -63.29   55.46
   23.00  -67.11  108.50  -59.14   65.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.60  123.50  -61.90   82.31
    1.00  -73.64  138.50  -60.94   92.00
    2.00  -74.44  153.50  -60.31  100.93
    3.00  -79.06  168.50  -64.04  111.68
    4.00  -80.89  183.50  -65.47  118.94
    5.00  -81.25  198.50  -65.81  124.96
    6.00  -80.67  213.50  -65.56  131.15
    7.00  -79.91  228.50  -65.57  137.89
    8.00  -80.10  243.50  -66.88  143.91
    9.00  -80.04  258.50  -68.32  149.99
   10.00  -79.98  273.50  -70.09  155.80
   11.00  -79.94  288.50  -72.19  161.12
   12.00  -80.07  303.50  -74.62  165.12
   13.00  -79.91  318.50  -77.15  169.00
   14.00  -79.76  333.50  -79.86  170.93
   15.00  -79.52  348.50  -82.66  169.30
   16.00  -79.45    3.50  -85.15  155.09
   17.00  -79.21   18.50  -86.27  116.87
   18.00  -79.95   33.50  -84.01   91.06
   19.00  -79.97   48.50  -81.38   80.89
   20.00  -79.16   63.50  -78.38   74.60
   21.00  -77.46   78.50  -74.52   70.66
   22.00  -75.12   93.50  -69.70   70.29
   23.00  -73.59  108.50  -65.39   75.24
</PRE>


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