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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>
21 Jun 1997 16:43:50 yearsecs  14834630
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.77  184.33  -51.12  116.46
    1.00  -66.99  199.33  -51.44  126.29
    2.00  -67.74  214.33  -52.87  135.91
    3.00  -68.50  229.33  -54.83  145.31
    4.00  -68.13  244.33  -56.17  155.28
    5.00  -68.78  259.33  -58.81  164.72
    6.00  -68.74  274.33  -61.22  174.80
    7.00  -69.13  289.33  -64.42  184.50
    8.00  -70.26  304.33  -68.63  192.95
    9.00  -70.84  319.33  -72.66  202.66
   10.00  -70.64  334.33  -76.31  216.22
   11.00  -70.18  349.33  -79.74  236.11
   12.00  -70.03    4.33  -82.77  267.52
   13.00  -70.14   19.33  -83.67  317.33
   14.00  -70.51   34.33  -81.41  359.83
   15.00  -71.13   49.33  -77.92   24.90
   16.00  -71.75   64.33  -74.24   41.51
   17.00  -71.90   79.33  -70.41   53.27
   18.00  -72.13   94.33  -67.01   63.87
   19.00  -71.70  109.33  -63.49   72.55
   20.00  -70.77  124.33  -59.99   80.54
   21.00  -69.84  139.33  -57.06   88.91
   22.00  -69.12  154.33  -54.90   97.83
   23.00  -67.88  169.33  -52.71  106.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.77  184.33  -56.15  117.26
    1.00  -73.01  199.33  -57.43  126.02
    2.00  -73.89  214.33  -58.85  134.27
    3.00  -79.12  229.33  -64.87  138.93
    4.00  -80.95  244.33  -67.71  143.07
    5.00  -81.39  259.33  -69.47  147.74
    6.00  -80.85  274.33  -70.79  154.01
    7.00  -80.00  289.33  -72.34  161.23
    8.00  -80.12  304.33  -74.78  165.14
    9.00  -80.20  319.33  -77.35  167.73
   10.00  -80.12  334.33  -79.99  168.68
   11.00  -80.00  349.33  -82.64  165.11
   12.00  -80.08    4.33  -84.73  148.71
   13.00  -79.77   19.33  -85.65  116.10
   14.00  -79.45   34.33  -84.19   85.85
   15.00  -79.11   49.33  -81.37   74.47
   16.00  -78.74   64.33  -78.12   72.45
   17.00  -78.33   79.33  -74.78   74.32
   18.00  -78.91   94.33  -72.19   81.30
   19.00  -79.44  109.33  -70.08   88.03
   20.00  -78.81  124.33  -67.51   92.42
   21.00  -77.14  139.33  -64.24   96.44
   22.00  -74.45  154.33  -60.25  101.38
   23.00  -72.88  169.33  -57.75  108.84
</PRE>


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