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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>
14 Apr 1997 15:19:42 yearsecs   8954382
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.53  206.34  -48.33  131.23
    1.00  -63.61  221.34  -49.48  141.63
    2.00  -64.35  236.34  -51.73  151.87
    3.00  -65.08  251.34  -54.35  162.05
    4.00  -64.83  266.34  -56.43  173.04
    5.00  -66.02  281.34  -60.14  182.86
    6.00  -66.29  296.34  -63.48  193.69
    7.00  -66.15  311.34  -66.90  205.84
    8.00  -66.85  326.34  -71.27  218.17
    9.00  -66.33  341.34  -74.56  236.40
   10.00  -65.90  356.34  -77.40  261.18
   11.00  -65.71   11.34  -78.90  294.92
   12.00  -65.74   26.34  -77.87  331.09
   13.00  -66.00   41.34  -74.85  358.88
   14.00  -66.48   56.34  -71.31   19.07
   15.00  -67.19   71.34  -67.99   35.50
   16.00  -68.12   86.34  -65.12   50.09
   17.00  -69.20  101.34  -62.72   63.24
   18.00  -69.14  116.34  -59.70   73.44
   19.00  -68.50  131.34  -56.70   82.62
   20.00  -67.28  146.34  -53.73   91.50
   21.00  -66.21  161.34  -51.46  100.94
   22.00  -65.12  176.34  -49.64  110.77
   23.00  -64.06  191.34  -48.40  120.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.93  206.34  -55.56  130.34
    1.00  -72.06  221.34  -57.51  138.92
    2.00  -73.07  236.34  -59.76  147.09
    3.00  -75.21  251.34  -63.37  153.51
    4.00  -77.81  266.34  -67.50  157.26
    5.00  -78.58  281.34  -70.25  162.11
    6.00  -77.91  296.34  -72.31  169.92
    7.00  -77.24  311.34  -74.81  178.04
    8.00  -78.04  326.34  -78.22  179.66
    9.00  -77.81  341.34  -81.40  183.78
   10.00  -77.89  356.34  -84.69  180.25
   11.00  -77.71   11.34  -87.62  152.30
   12.00  -77.51   26.34  -86.80   74.94
   13.00  -77.32   41.34  -83.31   60.81
   14.00  -77.44   56.34  -79.64   63.45
   15.00  -77.06   71.34  -75.94   66.36
   16.00  -77.05   86.34  -72.60   72.37
   17.00  -75.88  101.34  -68.72   76.10
   18.00  -75.84  116.34  -66.05   83.41
   19.00  -76.21  131.34  -64.27   91.36
   20.00  -75.47  146.34  -61.94   98.04
   21.00  -73.45  161.34  -58.77  104.59
   22.00  -72.27  176.34  -56.85  112.68
   23.00  -71.22  191.34  -55.54  121.36
</PRE>


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