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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>
26 Apr 1997 00:51:32 yearsecs   9939092
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.09   56.57  -68.47   14.64
    1.00  -63.87   71.57  -64.22   29.44
    2.00  -64.74   86.57  -61.51   44.40
    3.00  -65.61  101.57  -59.03   58.06
    4.00  -65.39  116.57  -55.84   69.26
    5.00  -66.48  131.57  -54.60   80.97
    6.00  -66.69  146.57  -53.11   91.27
    7.00  -66.55  161.57  -51.79  101.24
    8.00  -67.23  176.57  -51.76  111.44
    9.00  -66.78  191.57  -51.11  121.22
   10.00  -66.36  206.57  -51.09  131.08
   11.00  -66.17  221.57  -51.92  141.06
   12.00  -66.20  236.57  -53.47  151.16
   13.00  -66.46  251.57  -55.62  161.29
   14.00  -66.94  266.57  -58.33  171.33
   15.00  -67.65  281.57  -61.61  181.11
   16.00  -68.58  296.57  -65.50  190.44
   17.00  -69.61  311.57  -69.82  199.56
   18.00  -69.48  326.57  -73.47  212.26
   19.00  -68.89  341.57  -76.80  229.94
   20.00  -67.73  356.57  -79.20  257.18
   21.00  -66.69   11.57  -79.98  294.61
   22.00  -65.65   26.57  -77.72  331.48
   23.00  -64.68   41.57  -73.25  356.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.52   56.57  -77.00   37.85
    1.00  -73.57   71.57  -73.74   53.01
    2.00  -74.54   86.57  -70.79   64.99
    3.00  -77.19  101.57  -69.69   79.33
    4.00  -79.46  116.57  -69.06   90.72
    5.00  -80.06  131.57  -67.75   97.54
    6.00  -79.51  146.57  -65.84  102.66
    7.00  -79.34  161.57  -64.65  108.84
    8.00  -79.63  176.57  -64.33  115.54
    9.00  -79.34  191.57  -63.81  122.05
   10.00  -79.48  206.57  -64.14  128.67
   11.00  -79.22  221.57  -64.49  135.42
   12.00  -79.08  236.57  -65.37  142.16
   13.00  -78.84  251.57  -66.57  149.04
   14.00  -78.86  266.57  -68.36  155.43
   15.00  -78.50  281.57  -70.22  162.40
   16.00  -78.52  296.57  -72.70  168.16
   17.00  -77.70  311.57  -75.07  176.46
   18.00  -77.74  326.57  -78.18  181.23
   19.00  -77.78  341.57  -81.44  184.02
   20.00  -76.98  356.57  -84.89  190.78
   21.00  -75.15   11.57  -88.57  241.11
   22.00  -73.87   26.57  -86.24    5.37
   23.00  -72.82   41.57  -81.46   23.97
</PRE>


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