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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>
11 Aug 1997 13:07:20 yearsecs  19228040
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.16  239.82  -46.30  157.08
    1.00  -58.68  254.82  -48.94  168.46
    2.00  -59.19  269.82  -51.89  180.03
    3.00  -59.71  284.82  -55.13  191.82
    4.00  -59.44  299.82  -58.03  204.70
    5.00  -60.34  314.82  -62.46  217.21
    6.00  -61.90  329.82  -67.69  230.47
    7.00  -62.88  344.82  -72.15  247.85
    8.00  -63.20  359.82  -75.24  272.47
    9.00  -62.57   14.82  -75.39  304.71
   10.00  -62.13   29.82  -72.95  334.76
   11.00  -61.93   44.82  -69.01  357.33
   12.00  -61.96   59.82  -64.96   14.72
   13.00  -62.22   74.82  -61.42   29.88
   14.00  -62.70   89.82  -58.46   44.17
   15.00  -63.40  104.82  -56.01   57.83
   16.00  -64.34  119.82  -54.17   70.59
   17.00  -65.49  134.82  -53.16   82.41
   18.00  -65.60  149.82  -51.70   92.81
   19.00  -64.57  164.82  -49.59  102.66
   20.00  -62.93  179.82  -47.35  112.73
   21.00  -61.77  194.82  -46.18  123.22
   22.00  -60.05  209.82  -45.16  134.10
   23.00  -58.93  224.82  -45.33  145.42
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.50  239.82  -59.60  149.50
    1.00  -73.26  254.82  -62.10  157.55
    2.00  -74.10  269.82  -65.00  164.99
    3.00  -74.66  284.82  -67.99  172.26
    4.00  -75.87  299.82  -71.71  177.19
    5.00  -77.01  314.82  -75.42  180.27
    6.00  -77.06  329.82  -78.68  185.65
    7.00  -76.47  344.82  -82.01  194.27
    8.00  -76.67  359.82  -85.70  194.02
    9.00  -76.84   14.82  -88.82  140.50
   10.00  -76.47   29.82  -86.28   52.48
   11.00  -76.14   44.82  -82.25   50.98
   12.00  -75.89   59.82  -78.21   55.95
   13.00  -75.75   74.82  -74.39   62.64
   14.00  -75.67   89.82  -70.91   69.86
   15.00  -75.35  104.82  -67.62   76.67
   16.00  -75.46  119.82  -65.16   84.49
   17.00  -75.07  134.82  -62.77   91.64
   18.00  -74.78  149.82  -60.95   99.23
   19.00  -74.48  164.82  -59.59  107.10
   20.00  -74.11  179.82  -58.61  115.18
   21.00  -73.11  194.82  -57.46  123.45
   22.00  -73.12  209.82  -57.87  131.95
   23.00  -72.22  224.82  -57.92  140.89
</PRE>


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