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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>
26 Mar 1997 14:04:27 yearsecs   7308267
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.89  224.33  -43.27  145.60
    1.00  -57.22  239.33  -45.31  157.08
    2.00  -57.54  254.33  -47.76  168.69
    3.00  -57.85  269.33  -50.54  180.55
    4.00  -58.15  284.33  -53.58  192.73
    5.00  -58.86  299.33  -57.37  204.87
    6.00  -60.76  314.33  -62.74  216.23
    7.00  -62.31  329.33  -67.96  229.32
    8.00  -61.77  344.33  -70.96  248.86
    9.00  -61.25  359.34  -73.14  273.94
   10.00  -60.95   14.33  -73.58  304.20
   11.00  -60.86   29.33  -71.49  333.09
   12.00  -60.97   44.33  -67.90  355.54
   13.00  -61.29   59.33  -64.22   13.25
   14.00  -61.82   74.33  -61.06   28.83
   15.00  -62.57   89.33  -58.42   43.56
   16.00  -63.53  104.33  -56.24   57.59
   17.00  -64.71  119.33  -54.64   70.60
   18.00  -64.97  134.33  -52.68   81.66
   19.00  -63.61  149.33  -49.69   91.36
   20.00  -61.97  164.33  -46.97  101.39
   21.00  -60.77  179.33  -45.19  111.98
   22.00  -58.92  194.33  -43.35  122.79
   23.00  -57.81  209.33  -42.93  134.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.94  224.33  -55.73  141.55
    1.00  -70.87  239.33  -58.06  150.33
    2.00  -71.75  254.33  -60.71  158.78
    3.00  -72.18  269.33  -63.32  167.37
    4.00  -72.91  284.33  -66.53  175.22
    5.00  -74.21  299.33  -70.49  181.16
    6.00  -74.48  314.33  -73.94  188.81
    7.00  -73.37  329.33  -76.85  202.16
    8.00  -73.32  344.33  -80.63  214.68
    9.00  -73.77  359.35  -84.75  230.40
   10.00  -73.30   14.33  -87.25  293.33
   11.00  -73.02   29.33  -84.89    3.93
   12.00  -72.86   44.33  -80.71   27.55
   13.00  -72.74   59.33  -76.40   41.08
   14.00  -72.81   74.33  -72.44   52.40
   15.00  -72.68   89.33  -68.64   61.91
   16.00  -73.11  104.33  -65.76   71.95
   17.00  -73.38  119.33  -63.30   81.01
   18.00  -73.00  134.33  -60.80   88.98
   19.00  -72.02  149.33  -58.24   96.72
   20.00  -71.69  164.33  -56.81  105.36
   21.00  -70.81  179.33  -55.29  114.07
   22.00  -70.88  194.33  -55.22  123.13
   23.00  -69.87  209.33  -54.65  132.33
</PRE>


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