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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 00:50:17 yearsecs   9939017
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.09   56.87  -68.39   14.97
    1.00  -63.87   71.87  -64.15   29.73
    2.00  -64.74   86.87  -61.44   44.66
    3.00  -65.61  101.87  -58.97   58.30
    4.00  -65.39  116.87  -55.78   69.48
    5.00  -66.48  131.87  -54.56   81.17
    6.00  -66.69  146.87  -53.08   91.47
    7.00  -66.55  161.87  -51.77  101.44
    8.00  -67.23  176.87  -51.75  111.64
    9.00  -66.78  191.87  -51.11  121.42
   10.00  -66.36  206.87  -51.11  131.28
   11.00  -66.17  221.87  -51.95  141.27
   12.00  -66.20  236.87  -53.50  151.36
   13.00  -66.46  251.87  -55.67  161.50
   14.00  -66.94  266.87  -58.38  171.54
   15.00  -67.65  281.87  -61.67  181.32
   16.00  -68.58  296.87  -65.56  190.65
   17.00  -69.61  311.87  -69.90  199.79
   18.00  -69.48  326.87  -73.54  212.53
   19.00  -68.89  341.87  -76.87  230.32
   20.00  -67.73  356.87  -79.26  257.77
   21.00  -66.69   11.87  -79.99  295.40
   22.00  -65.65   26.87  -77.67  332.13
   23.00  -64.68   41.87  -73.17  357.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.52   56.87  -76.93   38.14
    1.00  -73.58   71.87  -73.66   53.24
    2.00  -74.55   86.87  -70.73   65.19
    3.00  -77.20  101.87  -69.64   79.49
    4.00  -79.47  116.87  -69.03   90.85
    5.00  -80.07  131.87  -67.73   97.67
    6.00  -79.52  146.87  -65.83  102.80
    7.00  -79.36  161.87  -64.65  108.99
    8.00  -79.65  176.87  -64.33  115.68
    9.00  -79.35  191.87  -63.82  122.19
   10.00  -79.49  206.87  -64.16  128.80
   11.00  -79.23  221.87  -64.51  135.55
   12.00  -79.09  236.87  -65.41  142.28
   13.00  -78.85  251.87  -66.60  149.16
   14.00  -78.87  266.87  -68.40  155.54
   15.00  -78.51  281.87  -70.27  162.51
   16.00  -78.53  296.87  -72.75  168.26
   17.00  -77.70  311.87  -75.14  176.55
   18.00  -77.74  326.87  -78.24  181.30
   19.00  -77.78  341.87  -81.51  184.02
   20.00  -76.98  356.87  -84.96  190.66
   21.00  -75.16   11.87  -88.65  242.78
   22.00  -73.88   26.87  -86.17    6.33
   23.00  -72.83   41.87  -81.38   24.40
</PRE>


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