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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>
23 Oct 1997 15:09:40 yearsecs  25542580
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.31  199.48  -50.78  126.41
    1.00  -66.34  214.48  -51.54  136.30
    2.00  -67.10  229.48  -53.53  146.00
    3.00  -67.85  244.48  -55.93  155.56
    4.00  -67.41  259.48  -57.63  166.01
    5.00  -68.01  274.48  -60.61  175.74
    6.00  -67.87  289.48  -63.38  186.42
    7.00  -68.17  304.48  -66.95  196.94
    8.00  -69.21  319.48  -71.46  206.74
    9.00  -69.54  334.48  -75.52  219.83
   10.00  -69.43  349.48  -79.17  239.18
   11.00  -69.16    4.48  -81.94  270.90
   12.00  -69.13   19.48  -82.54  316.80
   13.00  -69.34   34.48  -80.21  355.69
   14.00  -69.78   49.48  -76.65   20.10
   15.00  -70.46   64.48  -73.08   37.54
   16.00  -71.11   79.48  -69.68   51.34
   17.00  -71.23   94.48  -66.17   62.13
   18.00  -71.37  109.48  -63.15   72.12
   19.00  -70.72  124.48  -59.92   80.58
   20.00  -69.89  139.48  -57.10   89.05
   21.00  -69.10  154.48  -54.86   97.90
   22.00  -68.45  169.48  -53.28  107.20
   23.00  -67.53  184.48  -51.89  116.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -79.36  199.48  -63.87  125.56
    1.00  -80.28  214.48  -65.22  131.74
    2.00  -81.01  229.48  -66.68  137.28
    3.00  -84.10  244.48  -70.42  138.00
    4.00  -85.25  259.48  -72.27  138.85
    5.00  -85.66  274.48  -73.53  140.02
    6.00  -85.59  289.48  -74.63  141.80
    7.00  -85.45  304.48  -75.82  142.96
    8.00  -85.74  319.48  -76.94  140.91
    9.00  -85.41  334.48  -78.17  139.96
   10.00  -85.02  349.48  -79.39  137.01
   11.00  -84.78    4.48  -80.25  130.65
   12.00  -84.66   19.48  -80.50  121.94
   13.00  -84.34   34.48  -80.29  112.52
   14.00  -84.04   49.48  -79.40  104.32
   15.00  -83.75   64.48  -77.96   98.89
   16.00  -83.46   79.48  -76.18   96.36
   17.00  -83.18   94.48  -74.26   96.17
   18.00  -83.65  109.48  -72.77  100.13
   19.00  -83.68  124.48  -71.36  103.27
   20.00  -83.10  139.48  -69.68  105.82
   21.00  -82.14  154.48  -67.80  109.02
   22.00  -80.63  169.48  -65.58  113.16
   23.00  -79.83  184.48  -64.37  119.04
</PRE>


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