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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>
16 Apr 1997 14:53:03 yearsecs   9125583
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.52  213.33  -45.85  136.59
    1.00  -61.17  228.33  -47.84  147.35
    2.00  -61.83  243.33  -50.26  158.09
    3.00  -62.48  258.33  -53.03  168.86
    4.00  -61.66  273.33  -54.77  180.95
    5.00  -62.75  288.33  -58.62  191.74
    6.00  -63.68  303.33  -62.77  202.79
    7.00  -64.15  318.33  -66.88  215.29
    8.00  -64.69  333.33  -71.15  229.89
    9.00  -64.11  348.33  -74.09  251.00
   10.00  -63.64    3.33  -76.12  278.96
   11.00  -63.45   18.33  -76.19  312.28
   12.00  -63.49   33.33  -73.83  342.11
   13.00  -63.74   48.33  -70.31    4.41
   14.00  -64.23   63.33  -66.80   22.01
   15.00  -64.93   78.33  -63.73   37.49
   16.00  -65.87   93.33  -61.14   51.84
   17.00  -67.02  108.33  -59.08   65.11
   18.00  -67.00  123.33  -56.35   75.78
   19.00  -66.36  138.33  -53.63   85.48
   20.00  -64.83  153.33  -50.62   94.81
   21.00  -63.73  168.33  -48.56  104.83
   22.00  -62.25  183.33  -46.60  115.10
   23.00  -61.09  198.33  -45.60  125.72
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.77  213.33  -60.65  133.11
    1.00  -76.50  228.33  -62.28  140.43
    2.00  -77.35  243.33  -64.40  147.11
    3.00  -78.10  258.33  -66.71  153.14
    4.00  -79.81  273.33  -69.95  156.14
    5.00  -80.77  288.33  -72.62  158.58
    6.00  -80.87  303.33  -74.89  162.06
    7.00  -80.68  318.33  -77.26  165.32
    8.00  -81.21  333.33  -79.69  162.21
    9.00  -81.02  348.33  -82.02  158.29
   10.00  -80.72    3.33  -84.08  146.14
   11.00  -80.32   18.33  -85.10  119.53
   12.00  -79.93   33.33  -84.05   91.09
   13.00  -79.70   48.33  -81.48   79.02
   14.00  -79.49   63.33  -78.47   76.39
   15.00  -79.00   78.33  -75.28   76.71
   16.00  -78.77   93.33  -72.29   80.52
   17.00  -77.71  108.33  -68.92   83.50
   18.00  -77.45  123.33  -66.44   89.53
   19.00  -77.72  138.33  -64.90   96.73
   20.00  -77.23  153.33  -63.09  103.21
   21.00  -76.10  168.33  -61.05  109.85
   22.00  -76.01  183.33  -60.47  117.54
   23.00  -75.36  198.33  -59.78  125.33
</PRE>


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