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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>
19 Aug 1997 13:11:16 yearsecs  19919476
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.40  238.26  -52.93  152.71
    1.00  -65.56  253.26  -55.06  163.09
    2.00  -66.49  268.26  -58.22  172.94
    3.00  -67.43  283.26  -61.75  182.57
    4.00  -67.20  298.26  -64.70  193.82
    5.00  -68.05  313.26  -68.98  204.03
    6.00  -68.24  328.26  -72.92  216.96
    7.00  -69.00  343.26  -77.31  231.76
    8.00  -69.51  358.26  -81.18  254.88
    9.00  -69.50   13.26  -83.10  296.52
   10.00  -69.02   28.26  -81.21  341.12
   11.00  -68.60   43.26  -77.18    8.07
   12.00  -68.44   58.26  -72.85   25.84
   13.00  -68.54   73.26  -68.87   40.17
   14.00  -68.91   88.26  -65.43   53.09
   15.00  -69.53  103.26  -62.63   65.10
   16.00  -70.14  118.26  -60.35   75.96
   17.00  -70.21  133.26  -58.16   85.47
   18.00  -70.30  148.26  -56.61   94.80
   19.00  -69.57  163.26  -54.73  103.70
   20.00  -68.76  178.26  -53.25  112.91
   21.00  -68.01  193.26  -52.34  122.38
   22.00  -67.43  208.26  -52.22  132.04
   23.00  -66.56  223.26  -52.43  142.07
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.10  238.26  -59.99  148.16
    1.00  -74.25  253.26  -62.77  155.61
    2.00  -75.07  268.26  -65.56  162.70
    3.00  -79.93  283.26  -71.41  159.40
    4.00  -81.64  298.26  -74.42  158.06
    5.00  -81.91  313.26  -76.64  159.07
    6.00  -81.39  328.26  -78.88  161.82
    7.00  -80.44  343.26  -81.47  164.67
    8.00  -80.42  358.26  -83.74  154.48
    9.00  -80.35   13.26  -85.07  130.33
   10.00  -80.07   28.26  -84.62   99.24
   11.00  -80.05   43.26  -82.32   83.74
   12.00  -80.21   58.26  -79.50   80.54
   13.00  -79.98   73.26  -76.61   79.98
   14.00  -79.75   88.26  -73.75   82.27
   15.00  -79.52  103.26  -71.08   86.14
   16.00  -79.30  118.26  -68.70   91.00
   17.00  -79.08  133.26  -66.70   96.54
   18.00  -80.12  148.26  -66.28  104.12
   19.00  -80.41  163.26  -65.63  110.47
   20.00  -79.74  178.26  -64.39  116.32
   21.00  -78.14  193.26  -62.58  122.75
   22.00  -75.65  208.26  -60.33  130.50
   23.00  -74.17  223.26  -59.67  139.09
</PRE>


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