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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>
15 Aug 1997 12:18:32 yearsecs  19570712
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.91  250.10  -52.19  162.49
    1.00  -64.11  265.10  -55.57  172.72
    2.00  -64.88  280.10  -58.90  183.16
    3.00  -67.84  295.10  -64.55  190.52
    4.00  -67.41  310.10  -67.66  202.66
    5.00  -68.01  325.10  -71.92  214.45
    6.00  -67.89  340.10  -75.61  230.94
    7.00  -68.32  355.10  -79.45  252.63
    8.00  -69.07   10.10  -82.47  287.17
    9.00  -69.38   25.10  -82.15  333.84
   10.00  -69.15   40.10  -78.59    4.98
   11.00  -68.93   55.10  -74.23   23.84
   12.00  -68.94   70.10  -70.11   38.37
   13.00  -69.18   85.10  -66.47   51.20
   14.00  -69.65  100.10  -63.42   63.09
   15.00  -70.34  115.10  -61.11   74.19
   16.00  -71.01  130.10  -59.39   84.35
   17.00  -71.14  145.10  -57.75   93.52
   18.00  -71.29  160.10  -56.67  102.63
   19.00  -70.65  175.10  -55.26  111.45
   20.00  -69.84  190.10  -54.16  120.50
   21.00  -69.07  205.10  -53.68  129.82
   22.00  -66.72  220.10  -52.32  139.93
   23.00  -64.57  235.10  -51.79  150.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.91  250.10  -56.72  159.27
    1.00  -69.11  265.10  -59.99  168.23
    2.00  -69.88  280.10  -63.25  177.22
    3.00  -76.20  295.10  -71.01  174.05
    4.00  -78.33  310.10  -75.07  173.55
    5.00  -78.64  325.10  -78.11  176.31
    6.00  -78.01  340.10  -81.14  182.27
    7.00  -76.93  355.10  -84.54  191.56
    8.00  -77.13   10.10  -87.89  168.55
    9.00  -77.23   25.10  -87.22   72.70
   10.00  -77.04   40.10  -83.62   58.17
   11.00  -77.19   55.10  -79.88   61.60
   12.00  -77.55   70.10  -76.44   68.05
   13.00  -77.40   85.10  -73.08   73.03
   14.00  -77.25  100.10  -70.01   78.86
   15.00  -77.10  115.10  -67.33   85.17
   16.00  -76.94  130.10  -65.11   91.83
   17.00  -76.78  145.10  -63.33   98.77
   18.00  -77.93  160.10  -63.33  107.02
   19.00  -78.17  175.10  -62.88  114.20
   20.00  -77.21  190.10  -61.63  121.16
   21.00  -75.07  205.10  -59.64  128.95
   22.00  -71.72  220.10  -57.09  138.32
   23.00  -69.57  235.10  -56.41  148.46
</PRE>


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