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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>
27 Apr 1997 00:38:00 yearsecs  10024680
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.82   59.74  -68.47   19.37
    1.00  -64.21   74.74  -63.81   32.98
    2.00  -65.25   89.74  -61.32   47.90
    3.00  -66.30  104.74  -59.07   61.46
    4.00  -66.11  119.74  -56.03   72.33
    5.00  -67.08  134.74  -54.80   83.63
    6.00  -67.22  149.74  -53.35   93.71
    7.00  -67.06  164.74  -52.12  103.57
    8.00  -67.73  179.74  -52.17  113.63
    9.00  -67.36  194.74  -51.72  123.31
   10.00  -66.95  209.74  -51.83  133.08
   11.00  -66.76  224.74  -52.76  142.99
   12.00  -66.79  239.74  -54.39  153.00
   13.00  -67.05  254.74  -56.61  163.05
   14.00  -67.54  269.74  -59.38  172.97
   15.00  -68.24  284.74  -62.74  182.57
   16.00  -69.17  299.74  -66.70  191.72
   17.00  -70.14  314.74  -71.01  200.81
   18.00  -69.93  329.74  -74.62  213.99
   19.00  -69.39  344.74  -77.99  232.48
   20.00  -68.33  359.75  -80.36  262.06
   21.00  -67.31   14.74  -80.71  302.71
   22.00  -66.34   29.74  -77.94  339.06
   23.00  -65.49   44.74  -73.36    2.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.09   59.74  -75.78   38.88
    1.00  -73.10   74.74  -72.56   53.57
    2.00  -74.07   89.74  -69.70   65.55
    3.00  -77.63  104.74  -69.47   81.79
    4.00  -79.79  119.74  -68.91   92.61
    5.00  -80.20  134.74  -67.54   98.98
    6.00  -79.62  149.74  -65.70  104.11
    7.00  -79.14  164.74  -64.28  110.07
    8.00  -79.49  179.74  -64.11  116.87
    9.00  -79.35  194.74  -63.82  123.46
   10.00  -79.55  209.74  -64.31  130.04
   11.00  -79.25  224.74  -64.70  136.80
   12.00  -79.26  239.74  -65.80  143.36
   13.00  -78.99  254.74  -67.03  150.20
   14.00  -78.96  269.74  -68.85  156.55
   15.00  -78.63  284.74  -70.80  163.35
   16.00  -78.77  299.74  -73.38  168.52
   17.00  -78.30  314.74  -75.96  175.17
   18.00  -78.50  329.74  -79.02  177.93
   19.00  -78.21  344.74  -82.14  180.81
   20.00  -77.27  359.75  -85.59  185.72
   21.00  -75.42   14.74  -89.46  260.88
   22.00  -73.80   29.74  -85.38   12.68
   23.00  -72.53   44.74  -80.36   26.19
</PRE>


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