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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>
01 Oct 1997 19:37:50 yearsecs  23657870
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.75  134.13  -44.05   75.93
    1.00  -57.12  149.13  -42.97   88.02
    2.00  -57.49  164.13  -42.38   99.77
    3.00  -57.85  179.13  -42.23  111.30
    4.00  -58.20  194.13  -42.62  122.61
    5.00  -58.98  209.13  -44.07  133.72
    6.00  -60.95  224.13  -47.20  144.35
    7.00  -62.58  239.13  -50.42  154.66
    8.00  -62.27  254.13  -52.19  165.86
    9.00  -61.63  269.13  -54.01  177.70
   10.00  -61.25  284.13  -56.41  189.86
   11.00  -61.03  299.13  -59.36  202.43
   12.00  -61.06  314.13  -62.98  215.66
   13.00  -61.32  329.13  -66.97  230.52
   14.00  -61.80  344.13  -70.95  248.52
   15.00  -62.51  359.13  -74.42  272.06
   16.00  -63.44   14.13  -76.40  302.87
   17.00  -64.60   29.13  -76.04  335.62
   18.00  -64.83   44.13  -72.75    0.71
   19.00  -63.45   59.13  -67.00   16.31
   20.00  -61.78   74.13  -61.05   28.58
   21.00  -60.58   89.13  -56.13   40.71
   22.00  -58.74  104.13  -50.93   52.00
   23.00  -57.65  119.13  -47.11   64.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.11  134.13  -62.88   91.32
    1.00  -75.94  149.13  -62.16   99.92
    2.00  -76.75  164.13  -61.91  108.11
    3.00  -77.23  179.13  -61.80  115.76
    4.00  -77.92  194.13  -62.36  123.16
    5.00  -79.01  209.13  -63.74  129.95
    6.00  -79.38  224.13  -64.78  136.44
    7.00  -78.82  239.13  -65.34  143.58
    8.00  -78.98  254.13  -66.96  149.94
    9.00  -79.41  269.13  -69.11  155.38
   10.00  -79.25  284.13  -71.11  161.51
   11.00  -79.24  299.13  -73.52  166.77
   12.00  -79.37  314.13  -76.21  170.54
   13.00  -79.01  329.13  -78.98  175.02
   14.00  -78.81  344.13  -81.97  176.32
   15.00  -78.48  359.13  -85.04  171.23
   16.00  -78.55   14.13  -87.00  132.69
   17.00  -78.53   29.13  -85.66   83.70
   18.00  -78.08   44.13  -82.62   67.30
   19.00  -77.21   59.13  -78.90   62.87
   20.00  -76.80   74.13  -75.16   66.38
   21.00  -76.05   89.13  -71.33   70.59
   22.00  -75.98  104.13  -68.27   77.70
   23.00  -75.14  119.13  -64.98   83.62
</PRE>


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