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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>
19 Jul 1997 14:24:12 yearsecs  17245452
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.35  224.27  -45.67  144.90
    1.00  -59.98  239.27  -47.98  155.90
    2.00  -60.61  254.27  -50.67  166.95
    3.00  -61.25  269.27  -53.68  178.10
    4.00  -60.50  284.27  -55.75  190.66
    5.00  -61.48  299.27  -59.81  202.05
    6.00  -62.72  314.27  -64.55  213.62
    7.00  -63.52  329.27  -69.07  227.36
    8.00  -63.68  344.27  -72.80  245.73
    9.00  -63.25  359.28  -75.20  271.35
   10.00  -62.83   14.27  -75.71  303.41
   11.00  -62.65   29.27  -73.69  334.16
   12.00  -62.68   44.27  -70.10  357.59
   13.00  -62.94   59.27  -66.34   15.65
   14.00  -63.43   74.27  -63.02   31.25
   15.00  -64.14   89.27  -60.21   45.79
   16.00  -65.07  104.27  -57.90   59.47
   17.00  -66.23  119.27  -56.23   72.12
   18.00  -66.24  134.27  -54.00   82.62
   19.00  -65.48  149.27  -51.62   92.36
   20.00  -63.89  164.27  -48.93  102.03
   21.00  -62.76  179.27  -47.19  112.31
   22.00  -61.15  194.27  -45.55  122.81
   23.00  -60.01  209.27  -45.08  133.70
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.66  224.27  -60.22  139.39
    1.00  -75.34  239.27  -62.15  146.97
    2.00  -76.18  254.27  -64.58  153.88
    3.00  -76.85  269.27  -67.15  160.31
    4.00  -78.34  284.27  -70.54  163.88
    5.00  -79.38  299.27  -73.61  166.34
    6.00  -79.58  314.27  -76.31  169.67
    7.00  -79.48  329.27  -79.06  172.43
    8.00  -79.57  344.27  -81.88  170.53
    9.00  -79.49  359.28  -84.51  160.93
   10.00  -79.14   14.27  -86.37  130.39
   11.00  -78.74   29.27  -85.50   85.85
   12.00  -78.39   44.27  -82.55   69.97
   13.00  -78.21   59.27  -79.13   68.63
   14.00  -78.00   74.27  -75.71   71.37
   15.00  -77.54   89.27  -72.30   75.15
   16.00  -77.41  104.27  -69.38   81.06
   17.00  -76.60  119.27  -66.27   86.17
   18.00  -76.34  134.27  -64.04   92.97
   19.00  -76.40  149.27  -62.60  100.44
   20.00  -76.01  164.27  -61.17  107.71
   21.00  -74.98  179.27  -59.51  115.13
   22.00  -74.99  194.27  -59.37  123.17
   23.00  -74.22  209.27  -58.94  131.39
</PRE>


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