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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>
21 Aug 1997 11:05:20 yearsecs  20084720
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.35  266.57  -53.32  175.92
    1.00  -61.96  281.57  -56.56  187.16
    2.00  -62.57  296.57  -60.21  198.57
    3.00  -63.18  311.57  -64.31  210.54
    4.00  -62.56  326.57  -67.51  225.95
    5.00  -63.74  341.57  -72.24  241.89
    6.00  -64.39  356.57  -75.94  264.49
    7.00  -64.70   11.57  -77.80  296.26
    8.00  -65.30   26.57  -77.32  331.13
    9.00  -64.66   41.57  -73.23  356.79
   10.00  -64.25   56.57  -68.66   14.92
   11.00  -64.06   71.57  -64.44   29.76
   12.00  -64.09   86.57  -60.79   43.38
   13.00  -64.35  101.57  -57.70   56.37
   14.00  -64.83  116.57  -55.26   68.66
   15.00  -65.54  131.57  -53.63   80.17
   16.00  -66.47  146.57  -52.88   91.13
   17.00  -66.95  161.57  -52.20  101.42
   18.00  -66.62  176.57  -51.15  111.29
   19.00  -66.96  191.57  -51.28  121.23
   20.00  -65.51  206.57  -50.27  131.18
   21.00  -64.30  221.57  -50.15  141.60
   22.00  -63.04  236.57  -50.54  152.61
   23.00  -61.87  251.57  -51.45  164.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.41  266.57  -58.75  170.89
    1.00  -68.38  281.57  -62.24  180.19
    2.00  -69.39  296.57  -66.17  189.11
    3.00  -70.33  311.57  -70.39  198.01
    4.00  -73.09  326.57  -76.00  201.20
    5.00  -74.21  341.57  -80.39  207.29
    6.00  -74.06  356.57  -84.19  223.31
    7.00  -73.44   11.57  -87.14  275.11
    8.00  -74.52   26.57  -86.67   14.75
    9.00  -74.47   41.57  -82.49   35.45
   10.00  -74.49   56.57  -78.34   46.96
   11.00  -74.30   71.57  -74.25   55.54
   12.00  -73.99   86.57  -70.36   63.49
   13.00  -73.93  101.57  -67.04   71.97
   14.00  -74.02  116.57  -64.36   80.46
   15.00  -73.56  131.57  -61.71   88.08
   16.00  -73.47  146.57  -59.94   96.31
   17.00  -71.95  161.57  -57.24  103.86
   18.00  -71.62  176.57  -56.18  112.62
   19.00  -72.22  191.57  -56.55  121.55
   20.00  -71.47  206.57  -56.11  130.39
   21.00  -69.30  221.57  -54.89  140.07
   22.00  -68.62  236.57  -55.69  149.92
   23.00  -67.36  251.57  -56.43  160.65
</PRE>


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