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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>
31 Mar 1997 19:46:20 yearsecs   7760780
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.19  134.47  -50.81   80.43
    1.00  -64.30  149.47  -50.39   91.83
    2.00  -65.39  164.47  -50.44  102.73
    3.00  -66.48  179.47  -50.92  113.19
    4.00  -66.30  194.47  -50.66  123.11
    5.00  -67.24  209.47  -52.10  132.86
    6.00  -67.35  224.47  -53.30  142.60
    7.00  -67.20  239.47  -54.72  152.60
    8.00  -67.86  254.47  -57.29  162.24
    9.00  -67.52  269.47  -59.33  172.79
   10.00  -67.16  284.47  -61.75  183.78
   11.00  -66.92  299.47  -64.73  195.16
   12.00  -66.95  314.47  -68.36  207.11
   13.00  -67.21  329.47  -72.37  220.56
   14.00  -67.69  344.47  -76.51  237.25
   15.00  -68.40  359.48  -80.38  261.25
   16.00  -69.33   14.47  -82.93  300.69
   17.00  -70.28   29.47  -82.30  348.14
   18.00  -70.05   44.47  -78.30   14.62
   19.00  -69.52   59.47  -73.59   30.08
   20.00  -68.48   74.47  -68.50   41.08
   21.00  -67.44   89.47  -63.68   51.34
   22.00  -65.43  104.47  -58.23   60.10
   23.00  -63.88  119.47  -53.75   69.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.19  134.47  -55.97   84.38
    1.00  -69.31  149.47  -55.50   94.87
    2.00  -70.40  164.47  -55.50  104.83
    3.00  -74.98  179.47  -59.50  115.24
    4.00  -77.52  194.47  -61.95  123.32
    5.00  -77.89  209.47  -62.62  130.48
    6.00  -77.09  224.47  -62.59  138.12
    7.00  -76.41  239.47  -63.16  146.13
    8.00  -76.88  254.47  -65.21  153.09
    9.00  -76.46  269.47  -66.87  161.08
   10.00  -76.64  284.47  -69.39  167.97
   11.00  -76.16  299.47  -71.82  176.25
   12.00  -76.54  314.47  -75.11  181.90
   13.00  -76.27  329.47  -78.33  189.50
   14.00  -76.29  344.47  -81.89  195.51
   15.00  -75.94  359.48  -85.59  204.30
   16.00  -76.22   14.47  -89.36  167.13
   17.00  -75.82   29.47  -86.35   41.31
   18.00  -76.18   44.47  -82.35   51.21
   19.00  -75.77   59.47  -78.25   55.18
   20.00  -74.64   74.47  -73.75   58.45
   21.00  -72.44   89.47  -68.40   61.44
   22.00  -70.43  104.47  -63.24   67.37
   23.00  -68.88  119.47  -58.89   75.20
</PRE>


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