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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>
01 Sep 1997 17:17:24 yearsecs  21057444
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.98  172.31  -44.59  106.64
    1.00  -61.99  187.31  -46.32  117.90
    2.00  -63.44  202.31  -48.06  128.45
    3.00  -69.12  217.31  -54.40  137.45
    4.00  -68.93  232.31  -55.52  147.02
    5.00  -69.74  247.31  -57.99  156.11
    6.00  -69.91  262.31  -60.25  165.59
    7.00  -70.52  277.31  -63.28  174.54
    8.00  -71.83  292.31  -67.24  182.00
    9.00  -72.41  307.31  -70.95  190.25
   10.00  -72.23  322.31  -74.38  200.98
   11.00  -71.89  337.31  -77.94  214.61
   12.00  -71.34  352.31  -81.36  235.50
   13.00  -71.11    7.31  -84.28  271.91
   14.00  -70.88   22.31  -84.18  329.23
   15.00  -70.27   37.31  -80.43    4.40
   16.00  -69.62   52.31  -75.69   22.84
   17.00  -68.89   67.31  -70.82   35.77
   18.00  -69.89   82.31  -67.84   50.57
   19.00  -69.40   97.31  -63.80   60.69
   20.00  -68.74  112.31  -60.04   70.20
   21.00  -66.59  127.31  -55.32   78.13
   22.00  -63.06  142.31  -49.79   86.02
   23.00  -61.18  157.31  -46.59   95.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.98  172.31  -49.65  107.97
    1.00  -66.99  187.31  -51.32  118.44
    2.00  -68.44  202.31  -52.96  128.13
    3.00  -75.60  217.31  -60.69  135.24
    4.00  -78.15  232.31  -64.16  141.11
    5.00  -78.84  247.31  -66.12  147.18
    6.00  -78.24  262.31  -67.32  154.71
    7.00  -77.28  277.31  -68.69  163.27
    8.00  -77.42  292.31  -71.29  169.60
    9.00  -77.41  307.31  -74.09  175.83
   10.00  -77.23  322.31  -77.10  182.26
   11.00  -77.01  337.31  -80.36  188.34
   12.00  -77.00  352.31  -83.87  191.02
   13.00  -76.46    7.31  -87.58  193.05
   14.00  -75.88   22.31  -88.31   40.67
   15.00  -75.27   37.31  -84.03   39.09
   16.00  -74.62   52.31  -79.58   44.77
   17.00  -73.89   67.31  -75.08   51.38
   18.00  -74.89   82.31  -72.04   63.66
   19.00  -74.40   97.31  -68.32   70.61
   20.00  -73.74  112.31  -64.83   77.64
   21.00  -71.59  127.31  -60.35   83.31
   22.00  -68.06  142.31  -54.93   89.40
   23.00  -66.18  157.31  -51.70   98.20
</PRE>


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