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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>
26 Sep 1997 23:58:52 yearsecs  23241532
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.97   70.05  -67.02   31.82
    1.00  -66.41   85.05  -63.68   45.90
    2.00  -67.15  100.05  -60.96   59.10
    3.00  -67.89  115.05  -58.67   71.01
    4.00  -67.43  130.05  -55.78   80.77
    5.00  -68.01  145.05  -54.59   91.14
    6.00  -67.85  160.05  -53.20  100.83
    7.00  -68.11  175.05  -52.70  110.68
    8.00  -69.12  190.05  -53.44  120.41
    9.00  -69.49  205.05  -54.09  129.74
   10.00  -69.28  220.05  -54.76  139.12
   11.00  -69.06  235.05  -55.93  148.70
   12.00  -69.07  250.05  -57.76  158.37
   13.00  -69.31  265.05  -60.16  167.98
   14.00  -69.78  280.05  -63.15  177.32
   15.00  -70.48  295.05  -66.73  186.20
   16.00  -71.14  310.05  -70.64  195.08
   17.00  -71.27  325.05  -74.41  205.97
   18.00  -71.43  340.05  -78.33  219.23
   19.00  -70.79  355.05  -81.58  242.95
   20.00  -69.97   10.05  -83.42  285.00
   21.00  -69.18   25.05  -81.94  333.24
   22.00  -68.55   40.05  -77.98    3.02
   23.00  -67.32   55.05  -72.58   19.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.97   70.05  -72.02   43.72
    1.00  -72.09   85.05  -69.15   57.68
    2.00  -72.84  100.05  -66.40   68.89
    3.00  -78.30  115.05  -68.34   87.59
    4.00  -80.17  130.05  -68.01   97.16
    5.00  -80.55  145.05  -66.95  103.45
    6.00  -79.85  160.05  -65.24  108.64
    7.00  -78.80  175.05  -63.52  114.47
    8.00  -78.83  190.05  -63.29  121.31
    9.00  -78.76  205.05  -63.37  128.17
   10.00  -78.63  220.05  -63.82  135.10
   11.00  -78.72  235.05  -64.91  141.84
   12.00  -79.01  250.05  -66.55  148.14
   13.00  -78.84  265.05  -68.15  154.83
   14.00  -78.68  280.05  -70.11  161.36
   15.00  -78.51  295.05  -72.43  167.63
   16.00  -78.35  310.05  -75.07  173.48
   17.00  -78.17  325.05  -77.98  178.67
   18.00  -79.26  340.05  -81.12  173.62
   19.00  -79.55  355.05  -83.80  164.78
   20.00  -78.78   10.05  -86.48  145.81
   21.00  -76.97   25.05  -87.35   67.66
   22.00  -74.12   40.05  -82.73   31.19
   23.00  -72.32   55.05  -77.28   35.69
</PRE>


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