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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>
18 May 1997 20:10:25 yearsecs  11909425
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.93  123.68  -54.16   74.01
    1.00  -65.00  138.68  -52.19   84.73
    2.00  -66.00  153.68  -51.78   95.65
    3.00  -66.99  168.68  -51.84  106.16
    4.00  -66.71  183.68  -51.07  116.02
    5.00  -67.50  198.68  -51.92  125.86
    6.00  -67.45  213.68  -52.55  135.55
    7.00  -67.26  228.68  -53.60  145.40
    8.00  -67.77  243.68  -55.76  155.08
    9.00  -68.42  258.68  -58.40  164.60
   10.00  -68.25  273.68  -60.68  174.92
   11.00  -67.89  288.68  -63.23  185.82
   12.00  -67.85  303.68  -66.50  196.87
   13.00  -68.07  318.68  -70.34  208.55
   14.00  -68.52  333.68  -74.52  221.82
   15.00  -69.21  348.68  -78.79  238.75
   16.00  -70.04    3.68  -82.68  265.70
   17.00  -70.73   18.68  -84.37  315.68
   18.00  -70.60   33.68  -81.66  358.90
   19.00  -70.04   48.68  -77.12   20.02
   20.00  -69.07   63.68  -71.99   32.89
   21.00  -68.12   78.68  -67.04   43.84
   22.00  -67.26   93.68  -62.50   54.34
   23.00  -65.81  108.68  -57.77   63.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.93  123.68  -59.25   79.16
    1.00  -70.98  138.68  -58.28   89.52
    2.00  -71.90  153.68  -57.75   99.18
    3.00  -76.66  168.68  -61.60  110.33
    4.00  -78.85  183.68  -63.37  118.41
    5.00  -79.13  198.68  -63.63  125.23
    6.00  -78.27  213.68  -63.17  132.33
    7.00  -77.23  228.68  -63.02  140.09
    8.00  -77.41  243.68  -64.48  147.21
    9.00  -78.21  258.68  -66.84  153.14
   10.00  -79.04  273.68  -69.45  157.98
   11.00  -78.64  288.68  -71.44  164.85
   12.00  -78.60  303.68  -74.00  170.42
   13.00  -78.27  318.68  -76.72  176.49
   14.00  -78.15  333.68  -79.78  180.61
   15.00  -77.84  348.68  -83.02  183.48
   16.00  -77.93    3.68  -86.18  171.73
   17.00  -77.64   18.68  -87.90  107.86
   18.00  -78.19   33.68  -84.94   73.71
   19.00  -77.95   48.68  -81.55   65.93
   20.00  -76.92   63.68  -77.69   62.83
   21.00  -74.85   78.68  -72.87   61.55
   22.00  -72.49   93.68  -67.48   64.23
   23.00  -70.81  108.68  -62.77   70.73
</PRE>


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