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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>
23 Feb 1997 03:19:16 yearsecs   4591156
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.33   25.46  -71.58  326.02
    1.00  -60.99   40.46  -68.97  350.41
    2.00  -61.66   55.46  -65.74    9.62
    3.00  -62.32   70.46  -62.64   25.91
    4.00  -61.46   85.46  -57.99   38.56
    5.00  -62.52  100.46  -55.95   53.12
    6.00  -63.50  115.46  -54.06   66.43
    7.00  -64.02  130.46  -52.21   78.15
    8.00  -64.55  145.46  -51.02   89.18
    9.00  -63.91  160.46  -49.18   99.36
   10.00  -63.50  175.46  -48.04  109.78
   11.00  -63.31  190.46  -47.65  120.24
   12.00  -63.35  205.46  -48.11  130.64
   13.00  -63.60  220.46  -49.39  141.02
   14.00  -64.09  235.46  -51.39  151.37
   15.00  -64.80  250.46  -53.97  161.61
   16.00  -65.73  265.46  -57.08  171.64
   17.00  -64.51  280.46  -58.65  183.82
   18.00  -64.43  295.46  -61.64  195.46
   19.00  -65.09  310.46  -65.75  206.79
   20.00  -64.28  325.46  -68.80  222.08
   21.00  -62.14  340.46  -70.46  243.01
   22.00  -61.65  355.46  -72.98  266.52
   23.00  -60.08   10.46  -72.66  296.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.34   25.46  -77.54  328.78
    1.00  -66.04   40.46  -75.12  357.63
    2.00  -67.02   55.46  -72.13   19.30
    3.00  -67.79   70.46  -68.86   36.02
    4.00  -70.35   85.46  -67.49   53.96
    5.00  -71.65  100.46  -65.24   66.87
    6.00  -71.28  115.46  -61.95   75.72
    7.00  -70.62  130.46  -58.95   84.16
    8.00  -71.48  145.46  -58.06   94.01
    9.00  -71.70  160.46  -57.06  103.07
   10.00  -71.69  175.46  -56.29  111.98
   11.00  -71.47  190.46  -55.80  120.85
   12.00  -71.26  205.46  -55.85  129.77
   13.00  -71.32  220.46  -56.74  138.68
   14.00  -71.36  235.46  -58.09  147.67
   15.00  -70.88  250.46  -59.42  157.19
   16.00  -70.87  265.46  -61.58  166.57
   17.00  -69.51  280.46  -63.00  177.96
   18.00  -69.43  295.46  -65.96  188.28
   19.00  -70.09  310.46  -69.93  197.72
   20.00  -69.28  325.46  -73.03  211.78
   21.00  -67.14  340.46  -75.06  233.33
   22.00  -66.65  355.46  -77.96  257.84
   23.00  -65.08   10.46  -78.19  293.33
</PRE>


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