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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>
24 Sep 1997 19:22:02 yearsecs  23052122
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.87  138.16  -50.03   82.90
    1.00  -64.22  153.16  -50.01   94.38
    2.00  -65.49  168.16  -50.35  105.30
    3.00  -66.64  183.16  -51.01  115.67
    4.00  -66.46  198.16  -50.89  125.54
    5.00  -67.36  213.16  -52.43  135.23
    6.00  -67.45  228.16  -53.73  144.99
    7.00  -67.31  243.16  -55.28  155.01
    8.00  -67.99  258.16  -57.94  164.63
    9.00  -67.70  273.16  -60.11  175.17
   10.00  -67.29  288.16  -62.61  186.26
   11.00  -67.10  303.16  -65.74  197.71
   12.00  -67.14  318.16  -69.44  209.96
   13.00  -67.39  333.16  -73.46  224.07
   14.00  -67.88  348.16  -77.53  242.15
   15.00  -68.58    3.16  -81.17  269.28
   16.00  -69.50   18.16  -83.03  312.85
   17.00  -70.40   33.16  -81.59  357.00
   18.00  -70.17   48.16  -77.38   19.86
   19.00  -69.64   63.16  -72.68   33.97
   20.00  -68.63   78.16  -67.69   44.52
   21.00  -67.06   93.16  -62.42   53.61
   22.00  -64.95  108.16  -56.97   62.37
   23.00  -63.39  123.16  -52.63   72.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.87  138.16  -55.19   86.54
    1.00  -69.22  153.16  -55.09   97.15
    2.00  -70.49  168.16  -55.40  107.15
    3.00  -75.44  183.16  -59.89  117.32
    4.00  -78.00  198.16  -62.47  125.08
    5.00  -78.45  213.16  -63.32  132.01
    6.00  -77.79  228.16  -63.52  139.44
    7.00  -77.25  243.16  -64.29  147.13
    8.00  -77.70  258.16  -66.36  153.68
    9.00  -77.36  273.16  -68.12  161.21
   10.00  -77.55  288.16  -70.66  167.48
   11.00  -77.14  303.16  -73.14  175.03
   12.00  -77.16  318.16  -76.19  180.99
   13.00  -76.76  333.16  -79.34  188.45
   14.00  -76.62  348.16  -82.85  194.01
   15.00  -76.15    3.16  -86.56  201.79
   16.00  -76.27   18.16  -89.24   79.06
   17.00  -75.79   33.16  -85.33   42.58
   18.00  -76.07   48.16  -81.34   51.77
   19.00  -75.26   63.16  -77.02   54.61
   20.00  -74.23   78.16  -72.56   59.27
   21.00  -72.06   93.16  -67.21   62.97
   22.00  -69.95  108.16  -62.03   69.08
   23.00  -68.39  123.16  -57.79   77.12
</PRE>


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