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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>
23 Apr 1997 16:52:52 yearsecs   9737572
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.90  179.31  -49.34  112.76
    1.00  -65.23  194.31  -49.59  122.97
    2.00  -66.20  209.31  -51.08  132.91
    3.00  -67.19  224.31  -53.13  142.55
    4.00  -66.98  239.31  -54.51  152.61
    5.00  -67.88  254.31  -57.28  162.12
    6.00  -68.09  269.31  -59.80  172.10
    7.00  -68.81  284.31  -63.14  181.51
    8.00  -70.33  299.31  -67.55  189.34
    9.00  -71.41  314.31  -71.86  197.46
   10.00  -72.17  329.31  -76.09  206.54
   11.00  -71.00  344.31  -79.12  225.85
   12.00  -70.30  359.32  -82.10  253.93
   13.00  -69.98   14.31  -83.64  299.59
   14.00  -70.01   29.31  -82.05  346.72
   15.00  -70.37   44.31  -78.64   15.61
   16.00  -70.77   59.31  -74.79   33.83
   17.00  -70.69   74.31  -70.64   46.32
   18.00  -70.66   89.31  -66.84   57.39
   19.00  -69.83  104.31  -62.70   66.29
   20.00  -68.81  119.31  -58.85   75.02
   21.00  -67.84  134.31  -55.64   83.98
   22.00  -67.04  149.31  -53.20   93.31
   23.00  -66.18  164.31  -51.25  102.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.90  179.31  -54.37  113.84
    1.00  -71.15  194.31  -55.49  123.13
    2.00  -72.01  209.31  -56.75  131.90
    3.00  -77.78  224.31  -63.24  137.61
    4.00  -79.78  239.31  -66.24  142.57
    5.00  -80.23  254.31  -68.02  148.03
    6.00  -79.55  269.31  -69.24  155.16
    7.00  -78.54  284.31  -70.68  163.40
    8.00  -78.65  299.31  -73.25  168.76
    9.00  -78.68  314.31  -76.02  173.47
   10.00  -78.54  329.31  -78.94  177.67
   11.00  -78.52  344.31  -82.04  178.51
   12.00  -78.74  359.32  -84.95  168.25
   13.00  -78.50   14.31  -87.05  132.09
   14.00  -78.27   29.31  -85.78   80.36
   15.00  -78.05   44.31  -82.58   67.01
   16.00  -77.82   59.31  -79.03   66.38
   17.00  -77.58   74.31  -75.51   69.63
   18.00  -78.69   89.31  -72.99   78.89
   19.00  -78.95  104.31  -70.51   84.95
   20.00  -78.10  119.31  -67.56   88.96
   21.00  -76.16  134.31  -63.86   92.75
   22.00  -73.13  149.31  -59.35   97.57
   23.00  -71.27  164.31  -56.39  105.15
</PRE>


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