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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>
18 Jul 1997 21:18:20 yearsecs  17183900
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.48  108.90  -57.38   63.59
    1.00  -64.91  123.90  -54.11   74.16
    2.00  -65.93  138.90  -53.12   85.55
    3.00  -66.94  153.90  -52.73   96.31
    4.00  -66.69  168.90  -51.53  106.20
    5.00  -67.52  183.90  -51.88  116.29
    6.00  -67.54  198.90  -51.97  126.00
    7.00  -67.49  213.90  -52.60  135.68
    8.00  -68.23  228.90  -54.53  145.14
    9.00  -68.09  243.90  -56.07  155.02
   10.00  -67.74  258.90  -57.83  165.34
   11.00  -67.55  273.90  -60.11  175.84
   12.00  -67.58  288.90  -63.01  186.41
   13.00  -67.84  303.90  -66.54  197.06
   14.00  -68.32  318.90  -70.61  208.20
   15.00  -69.03  333.90  -74.98  220.68
   16.00  -69.89  348.90  -79.41  236.58
   17.00  -70.62    3.90  -83.26  263.86
   18.00  -70.48   18.90  -84.07  316.19
   19.00  -69.93   33.90  -80.95  356.63
   20.00  -68.97   48.90  -76.01   16.76
   21.00  -68.03   63.90  -70.87   30.44
   22.00  -67.17   78.90  -66.00   42.10
   23.00  -66.33   93.90  -61.49   53.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.08  108.90  -65.76   76.35
    1.00  -75.06  123.90  -64.18   85.95
    2.00  -75.93  138.90  -63.13   94.75
    3.00  -79.72  153.90  -65.50  105.95
    4.00  -81.53  168.90  -66.51  113.60
    5.00  -81.88  183.90  -66.48  119.42
    6.00  -81.43  198.90  -66.00  125.10
    7.00  -81.00  213.90  -65.91  131.14
    8.00  -81.36  228.90  -66.98  136.71
    9.00  -81.30  243.90  -67.98  142.40
   10.00  -81.37  258.90  -69.41  147.64
   11.00  -81.15  273.90  -70.94  153.12
   12.00  -81.15  288.90  -72.90  157.55
   13.00  -80.85  303.90  -74.98  162.22
   14.00  -80.71  318.90  -77.36  165.21
   15.00  -80.40  333.90  -79.89  167.01
   16.00  -80.42  348.90  -82.39  162.23
   17.00  -80.11    3.90  -84.65  149.19
   18.00  -80.47   18.90  -84.93  118.59
   19.00  -80.19   33.90  -83.78   92.50
   20.00  -79.32   48.90  -81.44   76.07
   21.00  -77.65   63.90  -77.91   66.62
   22.00  -75.84   78.90  -73.49   64.99
   23.00  -74.63   93.90  -69.23   69.27
</PRE>


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