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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 Mar 1997 12:07:23 yearsecs   6696443
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.82  251.61  -49.53  165.35
    1.00  -61.08  266.61  -53.08  176.15
    2.00  -61.86  281.61  -56.48  187.29
    3.00  -67.67  296.61  -64.73  191.89
    4.00  -67.35  311.61  -67.98  203.99
    5.00  -68.11  326.61  -72.39  215.66
    6.00  -68.20  341.61  -76.24  232.01
    7.00  -68.76  356.61  -80.17  254.12
    8.00  -69.29   11.61  -82.80  291.46
    9.00  -69.43   26.61  -81.95  338.02
   10.00  -69.06   41.61  -78.10    7.05
   11.00  -68.73   56.61  -73.62   24.91
   12.00  -68.66   71.61  -69.43   39.01
   13.00  -68.83   86.61  -65.76   51.67
   14.00  -69.25  101.61  -62.71   63.50
   15.00  -69.91  116.61  -60.42   74.60
   16.00  -70.43  131.61  -58.60   84.66
   17.00  -70.26  146.61  -56.73   93.76
   18.00  -70.79  161.61  -56.06  103.27
   19.00  -70.11  176.61  -54.66  112.22
   20.00  -69.31  191.61  -53.63  121.40
   21.00  -68.17  206.61  -52.86  130.88
   22.00  -64.32  221.61  -50.18  141.62
   23.00  -61.81  236.61  -49.39  153.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.82  251.61  -54.15  162.41
    1.00  -66.08  266.61  -57.58  172.14
    2.00  -66.86  281.61  -60.93  182.08
    3.00  -74.04  296.61  -69.81  180.04
    4.00  -76.43  311.61  -74.45  181.01
    5.00  -76.73  326.61  -77.85  186.12
    6.00  -76.10  341.61  -81.14  195.67
    7.00  -74.94  356.61  -84.59  214.57
    8.00  -75.23   11.61  -88.63  238.17
    9.00  -75.41   26.61  -87.05   31.36
   10.00  -75.27   41.61  -82.84   42.02
   11.00  -75.49   56.61  -78.86   52.20
   12.00  -75.95   71.61  -75.28   61.83
   13.00  -75.82   86.61  -71.72   68.70
   14.00  -75.70  101.61  -68.52   75.81
   15.00  -75.56  116.61  -65.76   83.05
   16.00  -75.43  131.61  -63.49   90.44
   17.00  -75.26  146.61  -61.71   97.98
   18.00  -76.50  161.61  -61.81  106.68
   19.00  -76.74  176.61  -61.38  114.34
   20.00  -75.63  191.61  -60.01  121.79
   21.00  -73.17  206.61  -57.79  130.12
   22.00  -69.32  221.61  -54.91  140.08
   23.00  -66.81  236.61  -54.03  150.88
</PRE>


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