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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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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Oct 1997 00:27:30 yearsecs  25921650
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.57   63.06  -59.61   13.55
    1.00  -59.17   78.06  -56.80   28.71
    2.00  -59.77   93.06  -54.32   43.24
    3.00  -60.39  108.06  -52.07   57.16
    4.00  -59.96  123.06  -49.01   69.23
    5.00  -61.07  138.06  -48.16   81.66
    6.00  -62.55  153.06  -48.30   93.48
    7.00  -63.16  168.06  -48.00  104.46
    8.00  -63.02  183.06  -47.39  115.02
    9.00  -61.97  198.06  -46.45  125.52
   10.00  -61.71  213.06  -46.99  136.19
   11.00  -61.64  228.06  -48.26  147.00
   12.00  -61.76  243.06  -50.15  157.92
   13.00  -62.08  258.06  -52.61  168.92
   14.00  -62.62  273.06  -55.59  179.94
   15.00  -63.38  288.06  -59.13  190.85
   16.00  -64.36  303.06  -63.31  201.66
   17.00  -65.55  318.06  -68.05  212.74
   18.00  -65.37  333.06  -71.68  228.30
   19.00  -64.78  348.06  -74.67  249.30
   20.00  -63.20    3.06  -75.63  278.93
   21.00  -62.09   18.06  -74.65  311.74
   22.00  -60.42   33.06  -70.11  338.95
   23.00  -59.28   48.06  -64.63  358.27
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.63   63.06  -69.62   26.42
    1.00  -67.35   78.06  -66.41   41.74
    2.00  -68.25   93.06  -63.65   55.55
    3.00  -68.80  108.06  -60.93   67.34
    4.00  -70.47  123.06  -59.89   79.40
    5.00  -71.56  138.06  -58.93   89.67
    6.00  -72.32  153.06  -58.23   99.11
    7.00  -71.63  168.06  -56.55  107.56
    8.00  -72.23  183.06  -56.64  116.59
    9.00  -72.47  198.06  -56.86  125.32
   10.00  -72.26  213.06  -57.18  134.03
   11.00  -71.95  228.06  -57.94  142.92
   12.00  -71.73  243.06  -59.26  151.99
   13.00  -71.69  258.06  -61.18  161.10
   14.00  -71.67  273.06  -63.51  170.31
   15.00  -71.30  288.06  -65.96  180.25
   16.00  -71.44  303.06  -69.25  189.68
   17.00  -70.71  318.06  -72.26  201.99
   18.00  -70.37  333.06  -75.79  215.86
   19.00  -70.23  348.06  -79.47  234.02
   20.00  -69.61    3.06  -82.16  265.71
   21.00  -68.02   18.06  -81.39  311.98
   22.00  -67.81   33.06  -78.90  348.60
   23.00  -66.39   48.06  -73.49    9.02
</PRE>


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