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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>
16 Oct 1997 01:13:04 yearsecs  24887584
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.09   51.09  -68.75    6.73
    1.00  -64.32   66.09  -66.18   24.92
    2.00  -65.13   81.09  -63.27   40.27
    3.00  -67.65   96.09  -62.34   56.85
    4.00  -67.28  111.09  -58.81   67.46
    5.00  -67.98  126.09  -56.92   78.64
    6.00  -67.96  141.09  -54.96   88.53
    7.00  -68.40  156.09  -54.04   98.54
    8.00  -69.53  171.09  -54.28  108.60
    9.00  -69.85  186.09  -54.19  118.02
   10.00  -69.44  201.09  -53.91  127.29
   11.00  -69.07  216.09  -54.27  136.70
   12.00  -68.97  231.09  -55.43  146.22
   13.00  -69.12  246.09  -57.28  155.77
   14.00  -69.51  261.09  -59.72  165.19
   15.00  -70.15  276.09  -62.74  174.24
   16.00  -70.77  291.09  -66.14  183.07
   17.00  -70.86  306.09  -69.50  192.94
   18.00  -70.98  321.09  -73.21  203.64
   19.00  -70.29  336.09  -76.50  219.17
   20.00  -69.42  351.09  -79.53  241.80
   21.00  -68.63    6.09  -81.62  276.67
   22.00  -66.80   21.09  -79.77  319.62
   23.00  -64.70   36.09  -74.64  348.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.09   51.09  -74.50   16.92
    1.00  -69.32   66.09  -71.57   35.76
    2.00  -70.13   81.09  -68.38   50.19
    3.00  -76.40   96.09  -70.15   74.86
    4.00  -78.54  111.09  -69.13   86.53
    5.00  -78.95  126.09  -67.40   93.38
    6.00  -78.08  141.09  -64.96   98.45
    7.00  -76.79  156.09  -62.46  104.16
    8.00  -76.83  171.09  -61.66  111.62
    9.00  -76.96  186.09  -61.40  119.14
   10.00  -76.77  201.09  -61.26  126.62
   11.00  -76.92  216.09  -61.93  134.06
   12.00  -77.29  231.09  -63.25  141.22
   13.00  -77.14  246.09  -64.49  148.67
   14.00  -76.98  261.09  -66.13  156.15
   15.00  -76.82  276.09  -68.16  163.61
   16.00  -76.66  291.09  -70.57  170.99
   17.00  -76.49  306.09  -73.35  178.33
   18.00  -77.76  321.09  -77.04  179.45
   19.00  -78.11  336.09  -80.29  181.18
   20.00  -77.22  351.09  -83.59  188.85
   21.00  -75.11    6.09  -87.15  224.45
   22.00  -71.80   21.09  -85.31  327.70
   23.00  -69.70   36.09  -80.17  359.99
</PRE>


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