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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>
04 Jul 1997 19:08:54 yearsecs  15966534
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.42  141.05  -51.33   86.00
    1.00  -64.02  156.05  -49.59   96.31
    2.00  -64.97  171.05  -49.70  107.11
    3.00  -65.92  186.05  -50.26  117.48
    4.00  -65.72  201.05  -50.24  127.48
    5.00  -66.75  216.05  -52.04  137.25
    6.00  -66.93  231.05  -53.54  147.11
    7.00  -66.78  246.05  -55.17  157.29
    8.00  -67.45  261.05  -57.91  167.05
    9.00  -67.04  276.05  -60.05  177.91
   10.00  -66.69  291.05  -62.69  189.17
   11.00  -66.44  306.05  -65.85  201.03
   12.00  -66.47  321.05  -69.60  213.84
   13.00  -66.73  336.05  -73.62  228.89
   14.00  -67.21  351.05  -77.58  248.60
   15.00  -67.92    6.05  -80.88  278.23
   16.00  -68.85   21.05  -82.09  321.27
   17.00  -69.85   36.05  -80.34    0.49
   18.00  -69.69   51.05  -76.12   21.63
   19.00  -69.11   66.05  -71.38   35.19
   20.00  -68.01   81.05  -66.32   45.57
   21.00  -66.98   96.05  -61.67   55.74
   22.00  -65.97  111.05  -57.47   65.80
   23.00  -65.05  126.05  -53.92   75.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.30  141.05  -59.33   92.12
    1.00  -73.33  156.05  -59.01  101.53
    2.00  -74.29  171.05  -59.10  110.42
    3.00  -77.36  186.05  -61.81  119.19
    4.00  -79.58  201.05  -64.13  126.22
    5.00  -80.08  216.05  -65.08  132.51
    6.00  -79.51  231.05  -65.36  139.34
    7.00  -79.01  246.05  -66.15  146.40
    8.00  -79.58  261.05  -68.24  151.82
    9.00  -79.34  276.05  -69.99  158.25
   10.00  -79.54  291.05  -72.35  163.15
   11.00  -79.32  306.05  -74.75  168.61
   12.00  -79.17  321.05  -77.45  172.95
   13.00  -78.94  336.05  -80.34  175.96
   14.00  -78.94  351.05  -83.32  172.91
   15.00  -78.60    6.05  -86.15  158.42
   16.00  -78.68   21.05  -86.66  105.91
   17.00  -78.02   36.05  -84.48   69.83
   18.00  -78.13   51.05  -81.01   67.31
   19.00  -78.03   66.05  -77.54   69.11
   20.00  -77.16   81.05  -73.80   70.56
   21.00  -75.30   96.05  -69.31   72.07
   22.00  -73.85  111.05  -65.15   77.12
   23.00  -72.67  126.05  -61.60   83.88
</PRE>


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