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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 Oct 1997 04:32:12 yearsecs  25677132
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.89  359.00  -68.48  277.31
    1.00  -57.22   14.00  -69.30  304.68
    2.00  -57.54   29.00  -67.35  331.03
    3.00  -57.85   44.00  -63.80  352.04
    4.00  -58.15   59.00  -60.07    8.97
    5.00  -58.86   74.00  -57.33   24.52
    6.00  -60.76   89.00  -56.38   40.84
    7.00  -62.32  104.00  -55.00   55.87
    8.00  -61.90  119.00  -51.74   67.66
    9.00  -61.45  134.00  -49.05   78.86
   10.00  -61.11  149.00  -47.14   89.82
   11.00  -60.98  164.00  -45.98  100.81
   12.00  -61.07  179.00  -45.49  111.80
   13.00  -61.37  194.00  -45.77  122.63
   14.00  -61.89  209.00  -46.89  133.28
   15.00  -62.63  224.00  -48.79  143.78
   16.00  -63.58  239.00  -51.34  154.11
   17.00  -64.75  254.00  -54.44  164.17
   18.00  -65.01  269.00  -57.03  174.83
   19.00  -63.65  284.00  -58.56  187.41
   20.00  -61.99  299.00  -60.23  201.25
   21.00  -60.78  314.00  -62.68  215.90
   22.00  -58.93  329.00  -64.62  233.44
   23.00  -57.82  344.00  -66.92  253.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.55  359.00  -79.48  262.64
    1.00  -68.52   14.00  -82.04  299.84
    2.00  -69.43   29.00  -81.50  344.07
    3.00  -69.84   44.00  -78.22   13.20
    4.00  -70.58   59.00  -74.71   32.92
    5.00  -71.77   74.00  -71.67   49.07
    6.00  -72.43   89.00  -68.50   61.10
    7.00  -71.39  104.00  -64.25   68.67
    8.00  -71.52  119.00  -61.58   78.22
    9.00  -72.08  134.00  -59.93   87.80
   10.00  -71.60  149.00  -57.85   96.20
   11.00  -71.32  164.00  -56.46  104.99
   12.00  -71.19  179.00  -55.68  113.96
   13.00  -71.09  194.00  -55.42  122.94
   14.00  -71.20  209.00  -55.94  131.88
   15.00  -71.09  224.00  -56.79  140.89
   16.00  -71.59  239.00  -58.68  149.65
   17.00  -71.92  254.00  -60.81  158.42
   18.00  -71.43  269.00  -62.62  168.13
   19.00  -70.23  284.00  -64.29  179.29
   20.00  -69.74  299.00  -67.00  190.20
   21.00  -68.72  314.00  -69.71  203.32
   22.00  -68.73  329.00  -73.50  216.50
   23.00  -67.54  344.00  -76.26  237.02
</PRE>


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