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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>
25 Sep 1997 00:24:12 yearsecs  23070252
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.77   63.81  -68.46   25.38
    1.00  -65.88   78.81  -64.66   39.59
    2.00  -66.74   93.81  -61.94   53.60
    3.00  -67.60  108.81  -59.58   66.23
    4.00  -67.28  123.81  -56.56   76.39
    5.00  -68.02  138.81  -55.27   87.08
    6.00  -68.07  153.81  -53.88   96.88
    7.00  -68.58  168.81  -53.44  106.81
    8.00  -69.88  183.81  -54.25  116.62
    9.00  -70.36  198.81  -54.77  125.84
   10.00  -69.85  213.81  -54.88  135.09
   11.00  -69.37  228.81  -55.58  144.59
   12.00  -69.17  243.81  -57.04  154.27
   13.00  -69.24  258.81  -59.14  163.96
   14.00  -69.57  273.81  -61.85  173.47
   15.00  -70.16  288.81  -65.18  182.57
   16.00  -70.75  303.81  -68.89  191.61
   17.00  -70.81  318.81  -72.51  202.33
   18.00  -70.90  333.81  -76.36  214.87
   19.00  -70.18  348.81  -79.61  235.32
   20.00  -69.28    3.81  -81.96  268.77
   21.00  -68.44   18.81  -81.82  314.32
   22.00  -67.84   33.81  -78.76  350.13
   23.00  -66.95   48.81  -73.91   11.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.22   63.81  -73.94   39.33
    1.00  -72.38   78.81  -70.95   54.21
    2.00  -73.18   93.81  -68.05   65.84
    3.00  -78.57  108.81  -69.51   85.71
    4.00  -80.44  123.81  -68.93   95.45
    5.00  -80.85  138.81  -67.75  101.59
    6.00  -80.22  153.81  -65.99  106.46
    7.00  -79.26  168.81  -64.22  111.95
    8.00  -79.36  183.81  -63.89  118.61
    9.00  -79.34  198.81  -63.85  125.27
   10.00  -79.09  213.81  -63.99  132.03
   11.00  -79.12  228.81  -64.83  138.70
   12.00  -79.34  243.81  -66.24  145.01
   13.00  -79.14  258.81  -67.62  151.68
   14.00  -78.94  273.81  -69.39  158.26
   15.00  -78.73  288.81  -71.52  164.65
   16.00  -78.53  303.81  -73.99  170.72
   17.00  -78.32  318.81  -76.77  176.30
   18.00  -79.36  333.81  -79.92  173.30
   19.00  -79.62  348.81  -82.69  168.38
   20.00  -78.83    3.81  -85.65  160.53
   21.00  -77.04   18.81  -88.49   98.49
   22.00  -74.23   33.81  -84.54   24.59
   23.00  -72.50   48.81  -79.18   30.49
</PRE>


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