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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>
06 Apr 1997 20:14:22 yearsecs   8280862
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.02  126.71  -52.74   75.41
    1.00  -63.83  141.71  -50.65   86.08
    2.00  -64.69  156.71  -50.22   97.08
    3.00  -65.54  171.71  -50.24  107.73
    4.00  -65.32  186.71  -49.65  117.86
    5.00  -66.42  201.71  -50.95  127.88
    6.00  -66.64  216.71  -51.98  137.72
    7.00  -66.49  231.71  -53.20  147.74
    8.00  -67.18  246.71  -55.61  157.49
    9.00  -66.71  261.71  -57.35  168.15
   10.00  -66.34  276.71  -59.56  179.14
   11.00  -66.11  291.71  -62.32  190.43
   12.00  -66.14  306.71  -65.76  202.04
   13.00  -66.40  321.71  -69.71  214.60
   14.00  -66.88  336.71  -73.91  229.33
   15.00  -67.59  351.71  -78.07  248.70
   16.00  -68.52    6.71  -81.58  278.64
   17.00  -69.56   21.71  -82.80  324.29
   18.00  -69.44   36.71  -79.76    0.22
   19.00  -68.84   51.71  -75.09   19.77
   20.00  -67.68   66.71  -69.74   32.30
   21.00  -66.63   81.71  -64.73   43.48
   22.00  -65.58   96.71  -60.07   54.15
   23.00  -64.61  111.71  -55.92   64.72
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.40  126.71  -62.21   85.18
    1.00  -74.44  141.71  -61.38   94.57
    2.00  -75.38  156.71  -61.01  103.36
    3.00  -77.83  171.71  -62.66  112.44
    4.00  -80.02  186.71  -64.53  120.04
    5.00  -80.62  201.71  -65.20  126.34
    6.00  -80.12  216.71  -65.15  132.77
    7.00  -79.68  231.71  -65.57  139.47
    8.00  -80.33  246.71  -67.37  144.88
    9.00  -80.14  261.71  -68.76  151.04
   10.00  -80.35  276.71  -70.77  156.05
   11.00  -80.22  291.71  -72.82  161.30
   12.00  -80.14  306.71  -75.18  165.64
   13.00  -79.87  321.71  -77.72  169.62
   14.00  -79.84  336.71  -80.45  170.19
   15.00  -79.45  351.71  -83.26  168.10
   16.00  -79.42    6.71  -85.56  149.16
   17.00  -78.58   21.71  -86.69  102.90
   18.00  -78.56   36.71  -84.16   75.12
   19.00  -78.59   51.71  -80.88   70.54
   20.00  -77.81   66.71  -77.32   68.23
   21.00  -76.03   81.71  -72.96   66.99
   22.00  -74.78   96.71  -68.76   71.17
   23.00  -73.73  111.71  -64.93   77.30
</PRE>


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