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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>
23 Aug 1997 22:26:30 yearsecs  20298390
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.26   93.32  -61.55   52.44
    1.00  -66.17  108.32  -58.21   64.00
    2.00  -66.95  123.32  -56.30   75.71
    3.00  -67.72  138.32  -55.02   86.52
    4.00  -67.28  153.32  -53.12   96.11
    5.00  -67.89  168.32  -52.76  106.24
    6.00  -67.74  183.32  -52.11  115.95
    7.00  -67.92  198.32  -52.34  125.61
    8.00  -68.85  213.32  -53.88  135.01
    9.00  -69.08  228.32  -55.26  144.41
   10.00  -69.01  243.32  -56.83  154.05
   11.00  -68.78  258.32  -58.66  164.05
   12.00  -68.80  273.32  -61.10  174.05
   13.00  -69.05  288.32  -64.14  183.93
   14.00  -69.53  303.32  -67.80  193.64
   15.00  -70.23  318.32  -71.96  203.37
   16.00  -70.94  333.32  -76.27  214.25
   17.00  -71.18  348.32  -80.26  230.31
   18.00  -71.29    3.32  -83.77  258.91
   19.00  -70.67   18.32  -84.32  314.24
   20.00  -69.84   33.32  -80.99  355.09
   21.00  -69.02   48.32  -76.23   16.21
   22.00  -68.34   63.32  -71.35   30.65
   23.00  -67.42   78.32  -66.42   42.11
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.68   93.32  -68.58   66.68
    1.00  -74.70  108.32  -66.41   77.19
    2.00  -75.44  123.32  -64.62   86.23
    3.00  -79.98  138.32  -67.00  100.00
    4.00  -81.65  153.32  -67.40  107.98
    5.00  -82.01  168.32  -67.02  113.77
    6.00  -81.49  183.32  -66.09  119.07
    7.00  -80.74  198.32  -65.29  124.93
    8.00  -80.85  213.32  -65.74  130.98
    9.00  -80.99  228.32  -66.59  136.84
   10.00  -81.08  243.32  -67.74  142.50
   11.00  -81.02  258.32  -69.08  148.12
   12.00  -81.10  273.32  -70.83  153.05
   13.00  -80.86  288.32  -72.66  158.32
   14.00  -80.65  303.32  -74.81  162.90
   15.00  -80.42  318.32  -77.21  166.56
   16.00  -80.25  333.32  -79.81  167.97
   17.00  -80.02  348.32  -82.46  165.52
   18.00  -80.80    3.32  -84.01  145.69
   19.00  -80.91   18.32  -84.47  120.31
   20.00  -80.18   33.32  -83.88   93.04
   21.00  -78.56   48.32  -81.64   70.56
   22.00  -76.16   63.32  -77.45   58.93
   23.00  -74.69   78.32  -72.84   60.81
</PRE>


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