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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>
01 Aug 1997 11:46:20 yearsecs  18359180
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.11  258.04  -51.72  169.53
    1.00  -62.32  273.04  -55.32  180.18
    2.00  -63.39  288.04  -59.13  190.83
    3.00  -65.30  303.04  -64.15  200.32
    4.00  -65.07  318.04  -67.62  213.54
    5.00  -66.21  333.04  -72.42  226.57
    6.00  -66.45  348.04  -76.23  245.67
    7.00  -66.44    3.04  -79.00  273.99
    8.00  -67.00   18.04  -80.25  311.74
    9.00  -66.50   33.04  -77.44  345.85
   10.00  -66.09   48.04  -73.16    8.35
   11.00  -65.90   63.04  -68.82   24.87
   12.00  -65.93   78.04  -64.91   39.01
   13.00  -66.19   93.04  -61.55   52.11
   14.00  -66.68  108.04  -58.79   64.44
   15.00  -67.38  123.04  -56.79   75.97
   16.00  -68.31  138.04  -55.66   86.82
   17.00  -68.59  153.04  -54.47   96.69
   18.00  -68.53  168.04  -53.42  106.30
   19.00  -68.66  183.04  -53.04  115.93
   20.00  -67.47  198.04  -51.88  125.44
   21.00  -64.99  213.04  -50.14  135.61
   22.00  -63.25  228.04  -49.79  146.45
   23.00  -61.71  243.04  -50.11  157.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.11  258.04  -56.25  166.06
    1.00  -67.32  273.04  -59.76  175.49
    2.00  -68.39  288.04  -63.52  184.68
    3.00  -71.33  303.04  -69.16  189.90
    4.00  -74.43  318.04  -74.76  191.10
    5.00  -74.83  333.04  -78.55  198.34
    6.00  -74.43  348.04  -82.15  211.12
    7.00  -73.86    3.04  -85.73  236.99
    8.00  -75.04   18.04  -89.02  339.33
    9.00  -74.84   33.04  -85.06   30.26
   10.00  -75.19   48.04  -81.03   45.53
   11.00  -75.04   63.04  -76.93   53.51
   12.00  -74.95   78.04  -73.09   61.51
   13.00  -74.80   93.04  -69.55   69.22
   14.00  -75.00  108.04  -66.73   77.63
   15.00  -74.65  123.04  -63.92   84.90
   16.00  -74.75  138.04  -62.08   92.95
   17.00  -73.59  153.04  -59.50  100.02
   18.00  -73.53  168.04  -58.47  108.40
   19.00  -73.68  183.04  -58.11  116.87
   20.00  -72.58  198.04  -56.98  125.30
   21.00  -69.99  213.04  -54.96  134.58
   22.00  -68.25  228.04  -54.47  144.58
   23.00  -66.71  243.04  -54.72  155.28
</PRE>


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