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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>
15 Aug 1997 13:59:36 yearsecs  19576776
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.06  228.15  -52.43  145.52
    1.00  -66.17  243.15  -54.23  155.68
    2.00  -67.01  258.15  -57.07  165.43
    3.00  -67.85  273.15  -60.24  175.00
    4.00  -67.51  288.15  -62.79  185.97
    5.00  -68.22  303.15  -66.69  195.85
    6.00  -68.23  318.15  -70.35  207.75
    7.00  -68.72  333.15  -74.55  220.73
    8.00  -69.82  348.15  -79.17  235.73
    9.00  -69.96    3.15  -82.51  264.64
   10.00  -69.54   18.15  -83.07  312.84
   11.00  -69.17   33.15  -80.34  352.50
   12.00  -69.06   48.15  -76.31   16.12
   13.00  -69.20   63.15  -72.26   32.74
   14.00  -69.59   78.15  -68.62   46.65
   15.00  -70.22   93.15  -65.53   59.23
   16.00  -70.83  108.15  -62.89   70.43
   17.00  -70.91  123.15  -60.31   79.98
   18.00  -71.02  138.15  -58.38   89.23
   19.00  -70.32  153.15  -56.21   97.83
   20.00  -69.46  168.15  -54.36  106.73
   21.00  -68.71  183.15  -53.09  116.01
   22.00  -68.12  198.15  -52.53  125.50
   23.00  -67.24  213.15  -52.31  135.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.48  228.15  -58.44  142.71
    1.00  -73.58  243.15  -60.95  150.59
    2.00  -74.34  258.15  -63.49  158.21
    3.00  -79.36  273.15  -69.61  157.06
    4.00  -81.11  288.15  -72.77  157.49
    5.00  -81.49  303.15  -75.07  159.57
    6.00  -80.90  318.15  -77.26  164.22
    7.00  -80.23  333.15  -79.78  168.08
    8.00  -80.07  348.15  -82.41  165.21
    9.00  -80.05    3.15  -84.62  150.81
   10.00  -79.81   18.15  -85.64  119.15
   11.00  -79.84   33.15  -84.13   90.60
   12.00  -80.04   48.15  -81.43   81.52
   13.00  -79.84   63.15  -78.54   78.31
   14.00  -79.64   78.15  -75.57   79.38
   15.00  -79.44   93.15  -72.72   82.63
   16.00  -79.24  108.15  -70.12   87.12
   17.00  -79.04  123.15  -67.84   92.37
   18.00  -80.01  138.15  -67.05   99.98
   19.00  -80.25  153.15  -66.06  106.23
   20.00  -79.53  168.15  -64.52  111.84
   21.00  -77.86  183.15  -62.37  117.91
   22.00  -75.25  198.15  -59.67  125.24
   23.00  -73.65  213.15  -58.55  133.69
</PRE>


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