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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 Oct 1997 12:59:12 yearsecs  25016352
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.28  231.81  -51.15  148.72
    1.00  -63.95  246.81  -52.70  159.50
    2.00  -64.87  261.81  -55.73  169.71
    3.00  -65.79  276.81  -59.09  179.79
    4.00  -65.58  291.81  -61.87  191.18
    5.00  -66.64  306.81  -66.21  201.32
    6.00  -66.83  321.81  -70.10  213.86
    7.00  -66.68  336.81  -73.76  229.90
    8.00  -67.32  351.81  -77.84  249.59
    9.00  -66.92    6.81  -79.93  282.06
   10.00  -66.51   21.81  -79.37  321.23
   11.00  -66.32   36.81  -76.35  352.26
   12.00  -66.35   51.81  -72.42   13.58
   13.00  -66.61   66.81  -68.58   30.05
   14.00  -67.09   81.81  -65.20   44.42
   15.00  -67.80   96.81  -62.34   57.64
   16.00  -68.73  111.81  -60.13   69.84
   17.00  -69.75  126.81  -58.60   80.95
   18.00  -69.60  141.81  -56.54   90.26
   19.00  -69.02  156.81  -54.61   99.34
   20.00  -67.89  171.81  -52.60  108.51
   21.00  -66.85  186.81  -51.18  118.10
   22.00  -65.83  201.81  -50.38  127.97
   23.00  -64.89  216.81  -50.32  138.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.12  231.81  -56.57  146.11
    1.00  -71.21  246.81  -59.25  154.67
    2.00  -72.21  261.81  -62.18  162.81
    3.00  -75.42  276.81  -67.19  166.60
    4.00  -77.92  291.81  -71.52  168.05
    5.00  -78.48  306.81  -74.52  171.92
    6.00  -77.74  321.81  -77.18  179.79
    7.00  -77.40  336.81  -80.33  185.74
    8.00  -77.86  351.81  -83.70  182.59
    9.00  -77.62    6.81  -86.96  169.89
   10.00  -77.88   21.81  -87.33   95.02
   11.00  -77.65   36.81  -84.39   65.31
   12.00  -77.60   51.81  -80.77   63.66
   13.00  -77.38   66.81  -77.14   66.19
   14.00  -77.46   81.81  -73.81   71.92
   15.00  -77.11   96.81  -70.53   77.07
   16.00  -77.23  111.81  -67.96   83.95
   17.00  -76.46  126.81  -65.08   89.52
   18.00  -76.60  141.81  -63.47   96.97
   19.00  -76.57  156.81  -62.19  104.34
   20.00  -75.61  171.81  -60.40  111.41
   21.00  -73.51  186.81  -57.88  118.96
   22.00  -71.91  201.81  -56.39  127.53
   23.00  -70.59  216.81  -55.78  136.72
</PRE>


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