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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>
05 Nov 1997 20:56:32 yearsecs  26686592
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.49  115.71  -50.79   63.70
    1.00  -61.25  130.71  -49.26   76.22
    2.00  -62.00  145.71  -48.36   87.87
    3.00  -62.76  160.71  -47.99   99.08
    4.00  -61.99  175.71  -46.51  109.61
    5.00  -63.16  190.71  -47.49  120.40
    6.00  -64.31  205.71  -49.06  130.72
    7.00  -65.10  220.71  -50.83  140.79
    8.00  -65.47  235.71  -52.70  150.92
    9.00  -64.66  250.71  -53.88  161.88
   10.00  -64.11  265.71  -55.68  173.17
   11.00  -63.80  280.71  -58.06  184.72
   12.00  -63.74  295.71  -61.08  196.51
   13.00  -63.90  310.71  -64.75  208.76
   14.00  -64.30  325.71  -68.88  222.30
   15.00  -64.93  340.71  -73.14  238.54
   16.00  -65.77  355.71  -77.16  260.27
   17.00  -66.84   10.71  -80.12  292.20
   18.00  -66.72   25.71  -79.09  330.80
   19.00  -65.73   40.71  -74.70  357.40
   20.00  -64.45   55.71  -69.13   14.32
   21.00  -63.46   70.71  -63.96   27.96
   22.00  -62.05   85.71  -58.64   39.61
   23.00  -60.99  100.71  -54.18   51.49
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.75  115.71  -64.25   79.56
    1.00  -74.62  130.71  -62.83   88.91
    2.00  -75.64  145.71  -62.16   97.89
    3.00  -76.50  160.71  -61.87  106.24
    4.00  -78.38  175.71  -63.07  114.58
    5.00  -79.50  190.71  -63.98  121.69
    6.00  -79.70  205.71  -64.34  128.24
    7.00  -79.61  220.71  -64.83  134.79
    8.00  -79.74  235.71  -65.92  141.10
    9.00  -79.45  250.71  -67.00  147.79
   10.00  -79.05  265.71  -68.39  154.72
   11.00  -78.57  280.71  -70.14  161.88
   12.00  -78.19  295.71  -72.36  168.83
   13.00  -77.98  310.71  -75.03  175.10
   14.00  -77.71  325.71  -77.99  181.12
   15.00  -77.10  340.71  -81.16  188.63
   16.00  -76.78  355.71  -84.69  193.25
   17.00  -75.51   10.71  -88.50  223.45
   18.00  -75.06   25.71  -87.17   22.55
   19.00  -74.89   40.71  -82.93   38.13
   20.00  -74.72   55.71  -78.70   47.55
   21.00  -73.65   70.71  -74.01   52.71
   22.00  -73.77   85.71  -70.39   62.41
   23.00  -73.12  100.71  -66.51   69.83
</PRE>


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