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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 20:18:28 yearsecs   8972308
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.04  124.65  -55.16   75.76
    1.00  -65.81  139.65  -52.91   85.98
    2.00  -66.66  154.65  -52.38   96.66
    3.00  -67.50  169.65  -52.31  106.97
    4.00  -67.13  184.65  -51.48  116.72
    5.00  -67.80  199.65  -52.25  126.47
    6.00  -67.70  214.65  -52.86  136.12
    7.00  -67.82  229.65  -54.22  145.81
    8.00  -68.70  244.65  -56.72  155.12
    9.00  -68.85  259.65  -58.92  164.86
   10.00  -68.61  274.65  -61.17  175.17
   11.00  -68.40  289.65  -63.86  185.80
   12.00  -68.43  304.65  -67.21  196.61
   13.00  -68.69  319.65  -71.09  208.05
   14.00  -69.17  334.65  -75.28  221.07
   15.00  -69.88  349.65  -79.58  237.77
   16.00  -70.63    4.65  -83.40  265.91
   17.00  -71.02   19.65  -84.61  319.82
   18.00  -71.05   34.65  -81.86    2.96
   19.00  -70.46   49.65  -77.23   22.68
   20.00  -69.58   64.65  -72.22   35.17
   21.00  -68.74   79.65  -67.41   45.95
   22.00  -68.00   94.65  -63.03   56.34
   23.00  -67.11  109.65  -58.91   66.20
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.62  124.65  -61.75   83.00
    1.00  -73.66  139.65  -60.83   92.65
    2.00  -74.46  154.65  -60.24  101.56
    3.00  -79.08  169.65  -64.00  112.20
    4.00  -80.90  184.65  -65.47  119.41
    5.00  -81.26  199.65  -65.84  125.41
    6.00  -80.68  214.65  -65.62  131.61
    7.00  -79.94  229.65  -65.67  138.35
    8.00  -80.13  244.65  -67.01  144.34
    9.00  -80.07  259.65  -68.47  150.39
   10.00  -80.02  274.65  -70.27  156.14
   11.00  -79.98  289.65  -72.38  161.38
   12.00  -80.11  304.65  -74.83  165.27
   13.00  -79.94  319.65  -77.36  169.00
   14.00  -79.79  334.65  -80.07  170.68
   15.00  -79.55  349.65  -82.86  168.49
   16.00  -79.47    4.65  -85.27  152.84
   17.00  -79.23   19.65  -86.19  113.47
   18.00  -79.97   34.65  -83.82   89.92
   19.00  -79.99   49.65  -81.16   80.66
   20.00  -79.18   64.65  -78.15   74.82
   21.00  -77.47   79.65  -74.28   71.15
   22.00  -75.14   94.65  -69.48   70.94
   23.00  -73.61  109.65  -65.19   75.92
</PRE>


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