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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>
17 Mar 1997 02:12:50 yearsecs   6487970
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.28   40.73  -69.27  351.08
    1.00  -62.49   55.73  -66.73   11.11
    2.00  -63.28   70.73  -63.73   27.66
    3.00  -67.81   85.73  -64.96   49.00
    4.00  -67.37  100.73  -61.03   59.93
    5.00  -67.96  115.73  -58.62   71.57
    6.00  -67.80  130.73  -56.07   81.57
    7.00  -68.01  145.73  -54.53   91.59
    8.00  -68.79  160.73  -54.11  101.72
    9.00  -69.27  175.73  -53.84  111.43
   10.00  -69.05  190.73  -53.37  120.83
   11.00  -68.86  205.73  -53.50  130.24
   12.00  -68.89  220.73  -54.44  139.67
   13.00  -69.15  235.73  -56.09  149.09
   14.00  -69.63  250.73  -58.35  158.38
   15.00  -70.34  265.73  -61.16  167.33
   16.00  -70.86  280.73  -64.19  176.25
   17.00  -70.71  295.73  -67.07  186.23
   18.00  -71.36  310.73  -70.97  195.04
   19.00  -70.74  325.73  -74.20  208.07
   20.00  -69.92  340.73  -77.40  225.58
   21.00  -68.89  355.73  -80.10  251.97
   22.00  -65.37   10.73  -78.51  293.70
   23.00  -63.05   25.73  -74.81  327.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.28   40.73  -75.33  358.51
    1.00  -67.49   55.73  -72.57   20.71
    2.00  -68.28   70.73  -69.28   37.34
    3.00  -74.91   85.73  -71.26   65.58
    4.00  -77.21  100.73  -69.87   79.03
    5.00  -77.57  115.73  -67.64   86.38
    6.00  -76.50  130.73  -64.62   91.47
    7.00  -75.54  145.73  -62.07   97.80
    8.00  -75.54  160.73  -60.90  105.57
    9.00  -75.70  175.73  -60.35  113.49
   10.00  -75.63  190.73  -60.01  121.33
   11.00  -75.83  205.73  -60.42  129.14
   12.00  -76.27  220.73  -61.55  136.70
   13.00  -76.16  235.73  -62.58  144.44
   14.00  -76.07  250.73  -64.05  152.21
   15.00  -75.94  265.73  -65.90  160.05
   16.00  -75.86  280.73  -68.19  167.77
   17.00  -75.71  295.73  -70.80  175.58
   18.00  -77.02  310.73  -74.58  178.56
   19.00  -77.29  325.73  -77.86  183.16
   20.00  -76.21  340.73  -80.96  194.55
   21.00  -73.89  355.73  -83.89  223.69
   22.00  -70.37   10.73  -83.90  286.29
   23.00  -68.05   25.73  -80.58  332.78
</PRE>


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