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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
17 Oct 1997 13:02:02 yearsecs  25016522
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.28  231.12  -51.08  148.24
    1.00  -63.95  246.12  -52.60  159.01
    2.00  -64.87  261.12  -55.62  169.21
    3.00  -65.79  276.12  -58.97  179.29
    4.00  -65.58  291.12  -61.73  190.66
    5.00  -66.64  306.12  -66.04  200.78
    6.00  -66.83  321.12  -69.93  213.23
    7.00  -66.68  336.12  -73.59  229.09
    8.00  -67.32  351.12  -77.70  248.43
    9.00  -66.92    6.12  -79.86  280.37
   10.00  -66.51   21.12  -79.44  319.53
   11.00  -66.32   36.12  -76.52  351.09
   12.00  -66.35   51.12  -72.61   12.76
   13.00  -66.61   66.12  -68.77   29.39
   14.00  -67.09   81.12  -65.37   43.85
   15.00  -67.80   96.12  -62.49   57.12
   16.00  -68.73  111.12  -60.26   69.37
   17.00  -69.75  126.12  -58.70   80.51
   18.00  -69.60  141.12  -56.61   89.83
   19.00  -69.02  156.12  -54.66   98.90
   20.00  -67.89  171.12  -52.63  108.07
   21.00  -66.85  186.12  -51.19  117.65
   22.00  -65.83  201.12  -50.35  127.52
   23.00  -64.89  216.12  -50.27  137.72
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.17  231.12  -56.55  145.66
    1.00  -71.26  246.12  -59.21  154.20
    2.00  -72.27  261.12  -62.13  162.33
    3.00  -75.48  276.12  -67.13  166.15
    4.00  -77.98  291.12  -71.43  167.62
    5.00  -78.54  306.12  -74.42  171.48
    6.00  -77.81  321.12  -77.06  179.26
    7.00  -77.47  336.12  -80.19  185.19
    8.00  -77.93  351.12  -83.55  182.17
    9.00  -77.68    6.12  -86.79  170.63
   10.00  -77.93   21.12  -87.37   98.52
   11.00  -77.69   36.12  -84.54   66.14
   12.00  -77.64   51.12  -80.94   63.84
   13.00  -77.42   66.12  -77.31   66.13
   14.00  -77.49   81.12  -73.97   71.77
   15.00  -77.14   96.12  -70.68   76.84
   16.00  -77.25  111.12  -68.09   83.69
   17.00  -76.48  126.12  -65.19   89.23
   18.00  -76.62  141.12  -63.56   96.66
   19.00  -76.59  156.12  -62.26  104.01
   20.00  -75.63  171.12  -60.45  111.06
   21.00  -73.54  186.12  -57.92  118.58
   22.00  -71.95  201.12  -56.41  127.13
   23.00  -70.63  216.12  -55.78  136.29
</PRE>


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