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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>
24 Apr 1997 01:15:01 yearsecs   9767701
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.21   51.07  -68.90    6.90
    1.00  -63.82   66.07  -65.60   24.06
    2.00  -64.67   81.07  -62.76   39.49
    3.00  -65.52   96.07  -60.15   53.54
    4.00  -65.29  111.07  -56.76   65.02
    5.00  -66.40  126.07  -55.31   77.10
    6.00  -66.62  141.07  -53.59   87.53
    7.00  -66.48  156.07  -52.10   97.52
    8.00  -67.17  171.07  -51.91  107.80
    9.00  -66.71  186.07  -51.05  117.60
   10.00  -66.28  201.07  -50.79  127.47
   11.00  -66.09  216.07  -51.41  137.42
   12.00  -66.12  231.07  -52.79  147.47
   13.00  -66.38  246.07  -54.81  157.55
   14.00  -66.86  261.07  -57.39  167.57
   15.00  -67.57  276.07  -60.52  177.34
   16.00  -68.50  291.07  -64.25  186.66
   17.00  -69.54  306.07  -68.45  195.62
   18.00  -69.42  321.07  -72.03  207.58
   19.00  -68.82  336.07  -75.36  223.63
   20.00  -67.65  351.07  -77.99  247.44
   21.00  -66.61    6.07  -79.52  280.80
   22.00  -65.14   21.07  -77.88  318.77
   23.00  -63.72   36.07  -73.48  346.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.21   51.07  -74.63   17.23
    1.00  -69.37   66.07  -71.62   35.89
    2.00  -70.42   81.07  -68.65   50.85
    3.00  -73.48   96.07  -67.80   67.84
    4.00  -76.28  111.07  -67.29   81.67
    5.00  -76.95  126.07  -65.62   89.95
    6.00  -76.06  141.07  -63.03   96.00
    7.00  -75.21  156.07  -60.88  102.89
    8.00  -75.79  171.07  -60.61  111.11
    9.00  -75.78  186.07  -60.19  118.92
   10.00  -76.12  201.07  -60.60  126.69
   11.00  -75.95  216.07  -60.97  134.46
   12.00  -75.90  231.07  -61.93  142.25
   13.00  -75.73  246.07  -63.22  150.18
   14.00  -75.89  261.07  -65.21  157.74
   15.00  -75.55  276.07  -67.17  166.00
   16.00  -75.67  291.07  -69.89  173.37
   17.00  -74.69  306.07  -72.24  183.65
   18.00  -74.81  321.07  -75.68  191.48
   19.00  -75.02  336.07  -79.38  199.20
   20.00  -74.11  351.07  -82.79  216.34
   21.00  -71.78    6.07  -84.72  264.32
   22.00  -70.14   21.07  -83.51  323.25
   23.00  -68.72   36.07  -79.18  356.76
</PRE>


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