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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>
17 Feb 1997 23:11:37 yearsecs   4144297
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.71   89.35  -58.58   43.77
    1.00  -63.22  104.35  -55.91   57.23
    2.00  -63.77  119.35  -53.66   69.69
    3.00  -64.31  134.35  -51.99   81.17
    4.00  -64.02  149.35  -50.11   91.59
    5.00  -65.33  164.35  -50.39  102.63
    6.00  -65.69  179.35  -50.13  112.94
    7.00  -65.57  194.35  -49.93  123.00
    8.00  -66.28  209.35  -51.16  132.92
    9.00  -65.65  224.35  -51.68  143.09
   10.00  -65.23  239.35  -52.90  153.55
   11.00  -65.04  254.35  -54.74  164.22
   12.00  -65.07  269.35  -57.14  175.03
   13.00  -65.33  284.35  -60.12  185.86
   14.00  -65.81  299.35  -63.74  196.67
   15.00  -66.52  314.35  -67.96  207.77
   16.00  -67.45  329.35  -72.54  219.89
   17.00  -67.64  344.35  -76.43  237.22
   18.00  -67.47  359.35  -79.46  263.57
   19.00  -67.94   14.35  -81.40  301.25
   20.00  -66.61   29.35  -78.33  338.66
   21.00  -65.51   44.35  -73.49    2.26
   22.00  -64.34   59.35  -68.01   18.07
   23.00  -63.15   74.35  -62.67   30.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.32   89.35  -64.59   52.82
    1.00  -69.59  104.35  -62.47   65.96
    2.00  -70.66  119.35  -60.68   77.31
    3.00  -71.83  134.35  -59.65   87.75
    4.00  -74.98  149.35  -61.19   99.15
    5.00  -76.08  164.35  -61.23  107.79
    6.00  -75.18  179.35  -59.71  115.23
    7.00  -74.22  194.35  -58.59  123.20
    8.00  -75.29  209.35  -60.01  131.16
    9.00  -74.73  224.35  -60.29  139.40
   10.00  -74.99  239.35  -61.84  147.31
   11.00  -74.95  254.35  -63.51  155.42
   12.00  -74.64  269.35  -65.37  163.94
   13.00  -74.56  284.35  -67.83  172.20
   14.00  -74.88  299.35  -70.95  179.54
   15.00  -74.49  314.35  -73.95  188.79
   16.00  -74.40  329.35  -77.43  197.97
   17.00  -72.64  344.35  -80.23  218.34
   18.00  -72.47  359.35  -83.89  241.54
   19.00  -73.43   14.35  -87.39  292.89
   20.00  -72.83   29.35  -84.73    2.35
   21.00  -70.60   44.35  -78.85   16.59
   22.00  -69.60   59.35  -73.70   30.20
   23.00  -68.57   74.35  -68.62   41.18
</PRE>


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