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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 Apr 1997 15:49:40 yearsecs  10165780
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.18  198.26  -50.62  125.61
    1.00  -66.03  213.26  -51.16  135.56
    2.00  -66.84  228.26  -53.17  145.29
    3.00  -67.64  243.26  -55.59  154.87
    4.00  -67.24  258.26  -57.29  165.31
    5.00  -67.87  273.26  -60.28  175.05
    6.00  -67.75  288.26  -63.02  185.72
    7.00  -67.90  303.26  -66.45  196.47
    8.00  -68.82  318.26  -70.85  206.59
    9.00  -68.99  333.26  -74.79  220.10
   10.00  -68.80  348.26  -78.35  239.46
   11.00  -68.61    3.26  -81.22  269.42
   12.00  -68.65   18.26  -82.08  312.76
   13.00  -68.90   33.26  -80.03  351.88
   14.00  -69.39   48.26  -76.60   17.28
   15.00  -70.09   63.26  -73.08   35.36
   16.00  -70.82   78.26  -69.73   49.69
   17.00  -71.12   93.26  -66.35   61.08
   18.00  -71.20  108.26  -63.22   71.07
   19.00  -70.59  123.26  -59.98   79.66
   20.00  -69.74  138.26  -57.08   88.15
   21.00  -68.91  153.26  -54.78   97.02
   22.00  -68.21  168.26  -53.09  106.32
   23.00  -67.31  183.26  -51.68  115.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.98  198.26  -56.38  125.45
    1.00  -73.05  213.26  -57.97  133.92
    2.00  -73.84  228.26  -59.74  142.03
    3.00  -78.75  243.26  -65.65  145.49
    4.00  -80.60  258.26  -68.74  148.88
    5.00  -80.97  273.26  -70.73  153.37
    6.00  -80.34  288.26  -72.37  159.87
    7.00  -79.48  303.26  -74.34  167.20
    8.00  -79.62  318.26  -77.04  170.28
    9.00  -79.55  333.26  -79.82  172.18
   10.00  -79.44  348.26  -82.64  170.11
   11.00  -79.42    3.26  -85.14  155.74
   12.00  -79.62   18.26  -85.84  118.54
   13.00  -79.43   33.26  -84.38   86.92
   14.00  -79.28   48.26  -81.57   75.96
   15.00  -79.07   63.26  -78.42   74.08
   16.00  -78.97   78.26  -75.29   76.60
   17.00  -78.76   93.26  -72.30   80.47
   18.00  -79.63  108.26  -70.38   88.13
   19.00  -79.74  123.26  -68.42   93.80
   20.00  -78.94  138.26  -66.05   98.41
   21.00  -77.20  153.26  -63.07  103.14
   22.00  -74.69  168.26  -59.63  109.08
   23.00  -73.08  183.26  -57.49  116.88
</PRE>


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