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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>
27 Apr 1997 14:22:34 yearsecs  10074154
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.72  221.16  -51.46  140.92
    1.00  -65.85  236.16  -53.10  151.05
    2.00  -66.69  251.16  -55.77  160.85
    3.00  -67.52  266.16  -58.78  170.50
    4.00  -67.14  281.16  -61.09  181.43
    5.00  -67.80  296.16  -64.75  191.35
    6.00  -67.70  311.16  -68.17  202.99
    7.00  -67.83  326.16  -72.04  215.88
    8.00  -68.59  341.16  -76.45  230.32
    9.00  -68.88  356.16  -80.18  252.85
   10.00  -68.62   11.16  -82.06  291.14
   11.00  -68.43   26.16  -80.94  334.57
   12.00  -68.47   41.16  -77.61    4.54
   13.00  -68.73   56.16  -73.73   24.41
   14.00  -69.21   71.16  -70.09   39.96
   15.00  -69.92   86.16  -66.91   53.54
   16.00  -70.67  101.16  -64.17   65.56
   17.00  -71.04  116.16  -61.59   75.81
   18.00  -71.08  131.16  -59.31   85.06
   19.00  -70.48  146.16  -56.99   93.65
   20.00  -69.61  161.16  -54.91  102.40
   21.00  -68.77  176.16  -53.32  111.57
   22.00  -68.04  191.16  -52.36  121.04
   23.00  -66.87  206.16  -51.57  130.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.72  221.16  -56.21  139.32
    1.00  -71.80  236.16  -58.57  147.81
    2.00  -72.62  251.16  -61.06  156.06
    3.00  -77.76  266.16  -67.44  157.26
    4.00  -79.75  281.16  -70.99  159.15
    5.00  -80.10  296.16  -73.45  162.99
    6.00  -79.39  311.16  -75.68  169.73
    7.00  -78.45  326.16  -78.28  177.52
    8.00  -78.55  341.16  -81.38  178.48
    9.00  -78.60  356.16  -84.42  172.77
   10.00  -78.56   11.16  -86.80  143.97
   11.00  -78.54   26.16  -86.15   89.87
   12.00  -78.78   41.16  -83.16   74.47
   13.00  -78.59   56.16  -79.89   70.62
   14.00  -78.48   71.16  -76.57   72.60
   15.00  -78.27   86.16  -73.37   76.40
   16.00  -78.23  101.16  -70.53   81.85
   17.00  -78.02  116.16  -67.95   87.47
   18.00  -78.89  131.16  -66.76   95.36
   19.00  -78.97  146.16  -65.36  101.81
   20.00  -78.10  161.16  -63.44  107.65
   21.00  -76.21  176.16  -60.85  113.91
   22.00  -73.60  191.16  -57.94  121.41
   23.00  -71.87  206.16  -56.48  130.09
</PRE>


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