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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>
31 Jul 1997 17:01:44 yearsecs  18291704
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.05  179.63  -45.46  112.24
    1.00  -61.79  194.63  -46.19  123.08
    2.00  -62.51  209.63  -47.53  133.64
    3.00  -63.23  224.63  -49.43  144.04
    4.00  -62.56  239.63  -50.46  155.03
    5.00  -63.72  254.63  -53.59  165.30
    6.00  -64.68  269.63  -56.84  175.58
    7.00  -65.19  284.63  -60.06  186.22
    8.00  -65.81  299.63  -63.80  196.90
    9.00  -65.43  314.63  -67.09  209.86
   10.00  -65.75  329.63  -71.16  223.76
   11.00  -64.93  344.63  -74.06  243.91
   12.00  -64.71  359.63  -76.75  269.84
   13.00  -64.76   14.63  -77.86  303.50
   14.00  -65.07   29.63  -76.49  337.12
   15.00  -65.61   44.63  -73.53    2.84
   16.00  -66.39   59.63  -70.29   22.38
   17.00  -67.38   74.63  -67.33   38.83
   18.00  -67.19   89.63  -63.39   51.02
   19.00  -66.30  104.63  -59.10   61.37
   20.00  -64.84  119.63  -54.73   70.95
   21.00  -63.85  134.63  -51.48   81.03
   22.00  -62.53  149.63  -48.55   90.99
   23.00  -61.50  164.63  -46.48  101.44
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.44  179.63  -55.91  114.39
    1.00  -72.09  194.63  -56.44  123.33
    2.00  -72.91  209.63  -57.65  131.89
    3.00  -73.61  224.63  -59.24  140.12
    4.00  -75.71  239.63  -62.53  146.84
    5.00  -76.75  254.63  -65.12  153.32
    6.00  -76.51  269.63  -66.94  161.06
    7.00  -75.84  284.63  -68.84  169.76
    8.00  -76.49  299.63  -72.07  175.38
    9.00  -76.37  314.63  -75.07  182.56
   10.00  -76.21  329.63  -78.34  189.86
   11.00  -76.03  344.63  -81.86  197.46
   12.00  -75.81  359.63  -85.61  206.12
   13.00  -75.83   14.63  -89.60  207.30
   14.00  -75.89   29.63  -86.31   42.55
   15.00  -75.55   44.63  -82.11   46.18
   16.00  -75.57   59.63  -78.11   54.23
   17.00  -74.55   74.63  -73.65   58.24
   18.00  -74.60   89.63  -70.14   66.84
   19.00  -75.14  104.63  -67.47   76.12
   20.00  -74.55  119.63  -64.35   82.94
   21.00  -72.86  134.63  -60.63   88.99
   22.00  -72.43  149.63  -58.63   97.20
   23.00  -71.28  164.63  -56.39  105.35
</PRE>


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