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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>
24 Feb 1997 01:22:55 yearsecs   4670575
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.23   55.93  -69.99   16.01
    1.00  -65.40   70.93  -66.15   31.56
    2.00  -66.36   85.93  -63.41   46.54
    3.00  -67.32  100.93  -60.94   60.02
    4.00  -67.12  115.93  -57.73   70.72
    5.00  -68.02  130.93  -56.26   81.90
    6.00  -68.27  145.93  -54.77   91.89
    7.00  -69.06  160.93  -54.37  101.98
    8.00  -70.23  175.93  -54.80  111.83
    9.00  -70.02  190.93  -54.34  121.02
   10.00  -69.38  205.93  -54.02  130.30
   11.00  -68.84  220.93  -54.40  139.82
   12.00  -68.60  235.93  -55.60  149.52
   13.00  -68.64  250.93  -57.48  159.28
   14.00  -68.95  265.93  -59.99  168.93
   15.00  -69.54  280.93  -63.11  178.23
   16.00  -70.12  295.93  -66.64  187.41
   17.00  -70.17  310.93  -70.10  197.90
   18.00  -70.24  325.93  -73.88  209.65
   19.00  -69.49  340.93  -77.12  227.25
   20.00  -68.59  355.93  -79.87  253.36
   21.00  -67.84   10.93  -81.20  291.58
   22.00  -67.25   25.93  -79.66  332.01
   23.00  -66.38   40.93  -75.39  359.04
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.75   55.93  -77.36   38.28
    1.00  -73.93   70.93  -74.16   53.85
    2.00  -74.79   85.93  -71.12   65.34
    3.00  -79.76  100.93  -71.61   86.05
    4.00  -81.29  115.93  -70.53   94.85
    5.00  -81.82  130.93  -69.32  100.70
    6.00  -81.14  145.93  -67.43  104.63
    7.00  -80.16  160.93  -65.51  109.30
    8.00  -80.14  175.93  -64.87  115.52
    9.00  -80.06  190.93  -64.56  121.84
   10.00  -79.78  205.93  -64.43  128.31
   11.00  -79.76  220.93  -64.98  134.79
   12.00  -79.92  235.93  -66.10  141.00
   13.00  -79.69  250.93  -67.22  147.53
   14.00  -79.45  265.93  -68.73  154.03
   15.00  -79.22  280.93  -70.61  160.39
   16.00  -78.99  295.93  -72.85  166.50
   17.00  -78.82  310.93  -75.43  171.92
   18.00  -79.88  325.93  -78.48  170.02
   19.00  -80.18  340.93  -81.14  167.16
   20.00  -79.50  355.93  -83.97  164.45
   21.00  -77.87   10.93  -87.42  151.91
   22.00  -75.33   25.93  -87.21   28.66
   23.00  -73.82   40.93  -82.31   29.90
</PRE>


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