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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>
18 Mar 1997 20:42:22 yearsecs   6640942
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.15  122.48  -54.58   73.35
    1.00  -64.39  137.48  -51.70   83.46
    2.00  -65.50  152.48  -51.37   94.57
    3.00  -66.61  167.48  -51.52  105.23
    4.00  -66.44  182.48  -50.82  115.18
    5.00  -67.35  197.48  -51.75  125.09
    6.00  -67.45  212.48  -52.47  134.77
    7.00  -67.29  227.48  -53.52  144.60
    8.00  -67.96  242.48  -55.78  154.17
    9.00  -67.65  257.48  -57.54  164.44
   10.00  -67.26  272.48  -59.61  175.16
   11.00  -67.05  287.48  -62.26  186.08
   12.00  -67.08  302.48  -65.57  197.21
   13.00  -67.34  317.48  -69.44  208.96
   14.00  -67.83  332.48  -73.65  222.30
   15.00  -68.53  347.48  -77.94  239.15
   16.00  -69.46    2.48  -81.92  264.79
   17.00  -70.39   17.48  -84.05  310.93
   18.00  -70.15   32.48  -81.50  354.51
   19.00  -69.62   47.48  -77.05   17.09
   20.00  -68.61   62.48  -71.86   30.52
   21.00  -67.61   77.48  -66.83   41.78
   22.00  -66.68   92.48  -62.18   52.44
   23.00  -65.87  107.48  -58.08   63.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.80  122.48  -62.25   81.99
    1.00  -73.78  137.48  -61.19   91.58
    2.00  -74.72  152.48  -60.67  100.60
    3.00  -78.52  167.48  -63.53  110.87
    4.00  -80.52  182.48  -65.11  118.40
    5.00  -80.85  197.48  -65.39  124.58
    6.00  -80.32  212.48  -65.18  130.89
    7.00  -79.89  227.48  -65.49  137.48
    8.00  -80.31  242.48  -66.98  143.22
    9.00  -80.11  257.48  -68.27  149.46
   10.00  -80.37  272.48  -70.23  154.53
   11.00  -80.23  287.48  -72.20  159.96
   12.00  -80.19  302.48  -74.51  164.40
   13.00  -79.89  317.48  -76.96  168.89
   14.00  -79.81  332.48  -79.67  170.63
   15.00  -79.48  347.48  -82.49  170.13
   16.00  -79.62    2.48  -84.88  155.29
   17.00  -79.30   17.48  -86.21  120.19
   18.00  -79.54   32.48  -84.44   88.86
   19.00  -79.11   47.48  -81.76   74.88
   20.00  -78.14   62.48  -78.38   68.86
   21.00  -76.36   77.48  -74.13   66.14
   22.00  -74.63   92.48  -69.53   68.50
   23.00  -73.29  107.48  -65.31   74.12
</PRE>


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