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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>
29 Jul 1997 00:21:20 yearsecs  18058880
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.34   64.99  -66.50   23.88
    1.00  -64.66   79.99  -63.01   38.50
    2.00  -65.80   94.99  -60.69   53.08
    3.00  -66.97  109.99  -58.70   66.26
    4.00  -66.99  124.99  -56.08   76.91
    5.00  -68.18  139.99  -55.30   87.98
    6.00  -68.80  154.99  -54.53   98.06
    7.00  -70.22  169.99  -55.04  108.16
    8.00  -70.31  184.99  -54.67  117.41
    9.00  -69.83  199.99  -54.26  126.59
   10.00  -68.99  214.99  -54.12  136.03
   11.00  -68.29  229.99  -54.69  145.82
   12.00  -67.91  244.99  -56.05  155.86
   13.00  -67.84  259.99  -58.08  165.99
   14.00  -68.07  274.99  -60.76  176.02
   15.00  -68.61  289.99  -64.11  185.73
   16.00  -69.15  304.99  -67.89  195.55
   17.00  -69.14  319.99  -71.54  207.32
   18.00  -69.17  334.99  -75.37  221.43
   19.00  -68.33  349.99  -78.35  243.66
   20.00  -67.50    4.99  -80.33  276.45
   21.00  -66.78   19.99  -79.85  316.79
   22.00  -66.25   34.99  -76.70  348.96
   23.00  -65.43   49.99  -71.86    9.47
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.62   64.99  -72.15   35.58
    1.00  -70.93   79.99  -69.39   51.26
    2.00  -71.85   94.99  -66.61   63.71
    3.00  -77.70  109.99  -68.65   84.18
    4.00  -79.75  124.99  -68.22   94.47
    5.00  -79.94  139.99  -66.81  100.59
    6.00  -79.53  154.99  -65.24  106.20
    7.00  -78.42  169.99  -63.32  111.96
    8.00  -78.45  184.99  -62.94  118.92
    9.00  -78.39  199.99  -62.90  125.90
   10.00  -78.09  214.99  -63.05  133.02
   11.00  -78.11  229.99  -63.95  140.06
   12.00  -78.33  244.99  -65.44  146.77
   13.00  -78.09  259.99  -66.90  153.92
   14.00  -77.84  274.99  -68.76  161.06
   15.00  -77.60  289.99  -71.00  168.14
   16.00  -77.36  304.99  -73.61  175.08
   17.00  -77.11  319.99  -76.55  181.91
   18.00  -78.28  334.99  -80.08  180.02
   19.00  -78.60  349.99  -83.19  176.43
   20.00  -77.77    4.99  -86.53  171.68
   21.00  -75.83   19.99  -88.94   38.66
   22.00  -72.81   34.99  -83.26   14.10
   23.00  -70.96   49.99  -77.59   24.99
</PRE>


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