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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>
26 May 1997 16:54:15 yearsecs  12588855
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.15  179.25  -46.58  112.17
    1.00  -62.71  194.25  -47.10  122.85
    2.00  -63.28  209.25  -48.25  133.27
    3.00  -63.84  224.25  -49.96  143.59
    4.00  -63.42  239.25  -51.22  154.36
    5.00  -64.68  254.25  -54.41  164.39
    6.00  -65.18  269.25  -57.22  174.85
    7.00  -65.21  284.25  -59.99  185.92
    8.00  -65.87  299.25  -63.77  196.51
    9.00  -65.24  314.25  -66.82  209.83
   10.00  -64.82  329.25  -70.24  225.11
   11.00  -64.63  344.25  -73.69  243.95
   12.00  -64.67  359.25  -76.65  269.15
   13.00  -64.92   14.25  -78.05  302.52
   14.00  -65.41   29.25  -76.96  336.77
   15.00  -66.11   44.25  -74.21    3.31
   16.00  -67.04   59.25  -71.12   23.44
   17.00  -68.20   74.25  -68.27   40.26
   18.00  -68.22   89.25  -64.52   52.56
   19.00  -67.54  104.25  -60.45   62.81
   20.00  -66.16  119.25  -56.16   72.03
   21.00  -65.06  134.25  -52.78   81.67
   22.00  -63.80  149.25  -49.90   91.40
   23.00  -62.62  164.25  -47.64  101.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.29  179.25  -59.82  115.21
    1.00  -76.29  194.25  -60.68  123.18
    2.00  -77.20  209.25  -61.92  130.58
    3.00  -78.11  224.25  -63.56  137.36
    4.00  -80.22  239.25  -66.64  142.02
    5.00  -81.14  254.25  -68.77  146.43
    6.00  -80.91  269.25  -70.21  152.15
    7.00  -80.62  284.25  -71.96  157.81
    8.00  -81.46  299.25  -74.49  158.97
    9.00  -81.49  314.25  -76.73  161.09
   10.00  -81.74  329.25  -78.98  159.77
   11.00  -81.79  344.25  -81.08  155.42
   12.00  -81.29  359.25  -83.20  147.67
   13.00  -80.95   14.25  -84.45  127.52
   14.00  -80.80   29.25  -83.88  102.42
   15.00  -80.30   44.25  -82.05   85.05
   16.00  -80.00   59.25  -79.31   79.24
   17.00  -78.72   74.25  -76.01   74.47
   18.00  -78.38   89.25  -72.82   77.85
   19.00  -78.76  104.25  -70.39   84.43
   20.00  -78.18  119.25  -67.64   89.10
   21.00  -76.56  134.25  -64.25   93.26
   22.00  -75.92  149.25  -62.12   99.96
   23.00  -75.15  164.25  -60.30  107.18
</PRE>


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