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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>
30 Jul 1997 17:13:52 yearsecs  18206032
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.68  175.85  -51.23  110.82
    1.00  -66.89  190.85  -51.21  120.75
    2.00  -67.86  205.85  -52.53  130.44
    3.00  -68.82  220.85  -54.38  139.77
    4.00  -68.64  235.85  -55.63  149.44
    5.00  -69.44  250.85  -58.19  158.60
    6.00  -69.56  265.85  -60.50  168.25
    7.00  -69.91  280.85  -63.41  177.67
    8.00  -70.96  295.85  -67.29  185.87
    9.00  -71.32  310.85  -70.97  195.23
   10.00  -71.58  325.85  -74.82  205.68
   11.00  -70.86  340.85  -78.13  222.33
   12.00  -70.51  355.85  -81.53  245.79
   13.00  -70.43   10.85  -83.97  286.55
   14.00  -70.60   25.85  -83.33  339.60
   15.00  -71.01   40.85  -80.18   13.35
   16.00  -71.46   55.85  -76.36   33.00
   17.00  -71.53   70.85  -72.30   45.99
   18.00  -71.23   85.85  -68.20   56.21
   19.00  -70.00  100.85  -63.60   64.21
   20.00  -69.44  115.85  -60.08   73.49
   21.00  -68.92  130.85  -57.19   82.70
   22.00  -68.41  145.85  -54.93   91.94
   23.00  -67.51  160.85  -52.81  101.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.68  175.85  -56.27  112.21
    1.00  -72.97  190.85  -57.31  121.19
    2.00  -73.96  205.85  -58.55  129.56
    3.00  -78.88  220.85  -64.11  135.31
    4.00  -80.81  235.85  -66.92  139.98
    5.00  -81.25  250.85  -68.54  145.01
    6.00  -80.75  265.85  -69.70  151.34
    7.00  -80.04  280.85  -71.13  158.28
    8.00  -80.24  295.85  -73.47  162.44
    9.00  -80.23  310.85  -75.90  166.18
   10.00  -80.22  325.85  -78.49  168.22
   11.00  -80.20  340.85  -81.13  167.04
   12.00  -80.18  355.85  -83.57  158.85
   13.00  -79.80   10.85  -85.54  137.46
   14.00  -79.46   25.85  -85.43   99.21
   15.00  -79.03   40.85  -83.15   76.78
   16.00  -78.70   55.85  -79.97   71.28
   17.00  -78.18   70.85  -76.53   71.12
   18.00  -78.45   85.85  -73.53   76.92
   19.00  -78.73  100.85  -70.94   83.09
   20.00  -78.07  115.85  -68.04   87.45
   21.00  -76.38  130.85  -64.49   91.37
   22.00  -73.98  145.85  -60.52   96.37
   23.00  -72.51  160.85  -57.85  103.76
</PRE>


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