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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>
12 Mar 1997 03:15:12 yearsecs   6059712
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.44   25.23  -70.54  325.33
    1.00  -60.67   40.23  -68.61  349.75
    2.00  -61.41   55.23  -65.49    9.01
    3.00  -67.87   70.23  -69.00   35.98
    4.00  -67.42   85.23  -64.69   47.88
    5.00  -68.01  100.23  -61.78   60.54
    6.00  -67.87  115.23  -58.62   71.11
    7.00  -68.18  130.23  -56.52   81.59
    8.00  -69.08  145.23  -55.66   92.02
    9.00  -69.41  160.23  -54.77  101.71
   10.00  -69.19  175.23  -53.78  111.10
   11.00  -68.98  190.23  -53.29  120.51
   12.00  -68.99  205.23  -53.61  129.91
   13.00  -69.24  220.23  -54.73  139.25
   14.00  -69.71  235.23  -56.55  148.47
   15.00  -70.41  250.23  -58.97  157.43
   16.00  -70.51  265.23  -61.23  166.82
   17.00  -70.22  280.23  -63.55  176.85
   18.00  -71.37  295.23  -67.49  184.70
   19.00  -70.73  310.23  -70.37  196.14
   20.00  -69.92  325.23  -73.46  209.90
   21.00  -68.01  340.23  -75.74  230.78
   22.00  -64.09  355.23  -75.41  262.54
   23.00  -61.50   10.23  -74.25  295.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.44   25.23  -76.53  327.57
    1.00  -65.67   40.23  -74.75  356.54
    2.00  -66.41   55.23  -71.53   17.66
    3.00  -73.69   70.23  -74.17   52.55
    4.00  -75.64   85.23  -71.90   67.48
    5.00  -76.76  100.23  -69.62   77.68
    6.00  -76.05  115.23  -66.41   83.24
    7.00  -74.90  130.23  -63.16   89.02
    8.00  -75.21  145.23  -61.79   97.21
    9.00  -75.40  160.23  -60.79  105.21
   10.00  -75.27  175.23  -59.92  113.07
   11.00  -75.50  190.23  -59.88  121.06
   12.00  -75.97  205.23  -60.55  128.85
   13.00  -75.86  220.23  -61.12  136.65
   14.00  -75.75  235.23  -62.15  144.51
   15.00  -75.63  250.23  -63.61  152.45
   16.00  -75.51  265.23  -65.48  160.44
   17.00  -75.22  280.23  -67.61  168.76
   18.00  -76.44  295.23  -71.19  173.48
   19.00  -76.66  310.23  -74.29  179.61
   20.00  -75.52  325.23  -77.01  190.94
   21.00  -73.01  340.23  -79.39  212.45
   22.00  -69.09  355.23  -80.18  250.31
   23.00  -66.50   10.23  -79.73  291.32
</PRE>


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