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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>
04 Oct 1997 13:57:12 yearsecs  23896632
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.41  220.29  -48.24  141.20
    1.00  -62.95  235.29  -50.31  151.72
    2.00  -63.51  250.29  -52.77  162.28
    3.00  -64.05  265.29  -55.56  172.90
    4.00  -63.70  280.29  -57.88  184.50
    5.00  -64.99  295.29  -62.10  194.61
    6.00  -65.42  310.29  -66.00  206.13
    7.00  -65.37  325.29  -69.73  219.98
    8.00  -66.06  340.29  -74.07  235.62
    9.00  -65.48  355.29  -76.80  260.08
   10.00  -65.01   10.29  -78.10  292.97
   11.00  -64.82   25.29  -76.96  327.97
   12.00  -64.85   40.29  -73.78  355.19
   13.00  -65.11   55.29  -70.03   15.07
   14.00  -65.59   70.29  -66.53   31.31
   15.00  -66.30   85.29  -63.50   45.90
   16.00  -67.23  100.29  -60.98   59.39
   17.00  -68.05  115.29  -58.79   71.38
   18.00  -67.86  130.29  -56.19   81.33
   19.00  -67.72  145.29  -54.28   91.10
   20.00  -66.37  160.29  -51.69  100.30
   21.00  -65.27  175.29  -49.83  110.09
   22.00  -64.05  190.29  -48.38  120.17
   23.00  -62.86  205.29  -47.63  130.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.81  220.29  -54.32  139.42
    1.00  -70.01  235.29  -56.83  148.34
    2.00  -71.05  250.29  -59.55  156.94
    3.00  -72.12  265.29  -62.63  165.00
    4.00  -75.11  280.29  -67.54  168.99
    5.00  -76.21  295.29  -71.05  174.11
    6.00  -75.43  310.29  -73.61  183.67
    7.00  -74.52  325.29  -76.52  195.01
    8.00  -75.51  340.29  -80.62  198.79
    9.00  -75.34  355.29  -84.37  209.18
   10.00  -75.52   10.29  -88.39  222.05
   11.00  -75.42   25.29  -87.42   29.83
   12.00  -75.10   40.29  -83.14   39.63
   13.00  -75.01   55.29  -78.97   48.85
   14.00  -75.25   70.29  -75.20   58.39
   15.00  -74.84   85.29  -71.31   65.15
   16.00  -74.73  100.29  -67.99   72.97
   17.00  -73.05  115.29  -63.67   78.22
   18.00  -72.86  130.29  -61.19   86.53
   19.00  -73.75  145.29  -60.34   95.85
   20.00  -73.16  160.29  -58.54  103.81
   21.00  -70.88  175.29  -55.49  111.63
   22.00  -70.00  190.29  -54.32  120.63
   23.00  -68.98  205.29  -53.60  129.95
</PRE>


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