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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>
25 May 1997 18:46:28 yearsecs  12509188
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.49  145.44  -51.99   89.74
    1.00  -65.62  160.44  -50.92  100.07
    2.00  -66.51  175.44  -51.08  110.51
    3.00  -67.41  190.44  -51.73  120.52
    4.00  -67.12  205.44  -51.78  130.26
    5.00  -67.91  220.44  -53.48  139.80
    6.00  -68.01  235.44  -55.00  149.50
    7.00  -68.60  250.44  -57.39  158.98
    8.00  -70.01  265.44  -60.83  167.50
    9.00  -70.98  280.44  -64.23  175.90
   10.00  -71.48  295.44  -67.62  184.63
   11.00  -70.44  310.44  -70.20  196.94
   12.00  -69.89  325.44  -73.49  210.17
   13.00  -69.73  340.44  -77.18  225.89
   14.00  -69.89  355.44  -80.92  247.67
   15.00  -70.36   10.44  -83.86  285.31
   16.00  -70.86   25.44  -83.67  339.36
   17.00  -70.85   40.44  -80.15   12.02
   18.00  -70.89   55.44  -75.98   30.50
   19.00  -70.13   70.44  -71.16   41.72
   20.00  -69.20   85.44  -66.40   51.50
   21.00  -68.29  100.44  -62.02   61.14
   22.00  -67.56  115.44  -58.27   70.90
   23.00  -66.68  130.44  -54.96   80.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.66  145.44  -60.23   95.85
    1.00  -74.78  160.44  -60.15  104.91
    2.00  -75.58  175.44  -60.23  113.30
    3.00  -80.29  190.44  -64.79  121.66
    4.00  -81.95  205.44  -66.64  127.48
    5.00  -82.38  220.44  -67.54  132.70
    6.00  -81.95  235.44  -67.94  138.46
    7.00  -81.28  250.44  -68.52  144.82
    8.00  -81.49  265.44  -70.19  149.58
    9.00  -81.65  280.44  -72.05  153.72
   10.00  -81.66  295.44  -74.04  157.42
   11.00  -81.92  310.44  -76.23  158.81
   12.00  -82.19  325.44  -78.38  157.70
   13.00  -81.87  340.44  -80.54  156.46
   14.00  -81.52  355.44  -82.62  149.92
   15.00  -81.19   10.44  -84.10  133.37
   16.00  -80.87   25.44  -84.16  108.27
   17.00  -80.56   40.44  -82.56   89.30
   18.00  -81.29   55.44  -79.84   87.46
   19.00  -81.39   70.44  -77.35   86.57
   20.00  -80.63   85.44  -74.63   84.92
   21.00  -79.01  100.44  -71.19   83.72
   22.00  -76.49  115.44  -66.76   84.16
   23.00  -74.86  130.44  -63.10   89.09
</PRE>


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